Xây dựng game Freaking Math trên Android – Lập trình android

package com.example.freakingmath;

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;

import androidx.annotation.Nullable;

public class Database extends SQLiteOpenHelper{
    public Database(@Nullable Context context, @Nullable String name, @Nullable CursorFactory factory, int version) {
        super(context, name, factory, version);
    }
    public void QueryData(String sql)
    {
        SQLiteDatabase cosodulieu = getWritableDatabase();
        cosodulieu.execSQL(sql);
    }
    public Cursor GetData(String sql)
    {
        SQLiteDatabase cosodulieu = getReadableDatabase();
        return cosodulieu.rawQuery(sql,null);
    }
    @Override
    public void onCreate(SQLiteDatabase db) {
    }
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
    }
    public void Create(Context context)
    {
        Database database = new Database(context,"FreakingMath.sqlite",null,1);
        try {
            database.GetData("SELECT * FROM Diemcao");
        }catch (Exception e)
        {
            database.QueryData("CREATE TABLE IF NOT EXISTS DiemCao(id VARCHAR PRIMARY KEY,EASY INTEGER, TRUNGBINH INTEGER, KHO INTEGER)");
            database.QueryData("INSERT INTO Diemcao VALUES('TOF',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('phepcong',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('pheptru',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('phepnhan',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('phepchia',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('all',0,0,0)");
            database.QueryData("INSERT INTO Diemcao VALUES('2NC',0,0,0)");
        }
        database.close();
    }
    public int getScore(Context context,String table, String id, int column){
        Database database = new Database(context,"FreakingMath.sqlite",null,1);
        Cursor cursor = database.GetData("SELECT* FROM "+table);
        while (cursor.moveToNext())
        {
          if(cursor.getString(0).equals(id))break;
        }
        database.close();
        return cursor.getInt(column);
    }
    public void setScore(Context context,String table, String id,String column, int scores)
    {
        Database database = new Database(context,"FreakingMath.sqlite",null,1);
        Cursor cursor = database.GetData("SELECT* FROM "+table);
        database.QueryData("UPDATE "+table+" SET "+column+"="+scores+" WHERE id='"+id+"'");
        database.close(); cursor.close();
    }
}

package com.example.freakingmath;

import android.app.*;
import android.content.Intent;
import android.database.Cursor;
import android.view.*;
import android.os.Bundle;
import android.widget.Button;
import android.widget.TextView;

public class GameOver extends Activity {
    private Button back, mainmaenu, playgain;
    private int chuyentumanhinh=0, mucchoi, diemcao;
    private TextView score, highscore;
    private TextView lever;
    Database database;
    String pheptoan = new String();
    Intent it;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            Intent intent = new Intent();
            if(chuyentumanhinh == 1)  intent = new Intent(GameOver.this,MucChoiToF.class);
            else if(chuyentumanhinh == 2)  intent = new Intent(GameOver.this,onePlayer.class);
            startActivity(intent);
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_game_over);
        anhxa();
        chuyentumanhinh = it.getIntExtra("playagain",0);
        mucchoi=it.getIntExtra("mucchoi",0);
        if(chuyentumanhinh==2) pheptoan = it.getStringExtra("pheptoan");
        database = new Database(this,"",null,1);
        if(chuyentumanhinh==1) {
            trueorFalse();
        }else if(chuyentumanhinh==2) onePlayer();
       score.setText("Score: "+String.valueOf(it.getIntExtra("score",0)));
        highscore.setText(("High Score: " +String.valueOf(diemcao)));
        database.close();

        mainmaenu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                onDestroy();
                Intent intent = new Intent(GameOver.this,Typeofplay.class);
                finish();
                startActivity(intent);
            }
        });
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent();
                if(chuyentumanhinh == 1)  intent = new Intent(GameOver.this,MucChoiToF.class);
                else if(chuyentumanhinh == 2)  intent = new Intent(GameOver.this,onePlayer.class);
                startActivity(intent);
            }
        });
        playgain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onDestroy();
                Intent intent = new Intent();
                if(chuyentumanhinh == 1){
                    intent = new Intent(GameOver.this,trueorfalse.class);
                    intent.putExtra("mucchoi",mucchoi);
                }
                else if(chuyentumanhinh == 2){
                    intent = new Intent(GameOver.this,playOnePlayer.class);
                    intent.putExtra("mucchoi",mucchoi);
                    intent.putExtra("pheptoan",pheptoan);
                }
                startActivity(intent);
            }
        });

    }

    public void trueorFalse()
    {
        if(mucchoi==10) {
            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao","TOF",1))
            {
                database.setScore(this,"Diemcao","TOF","EASY",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao","TOF",1);
            lever.setText("Mức độ dễ");
        }else if(mucchoi==100) {
            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao","TOF",2))
            {
                database.setScore(this,"Diemcao","TOF","TRUNGBINH",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao","TOF",2);
            lever.setText("Mức trung bình");
        } else {
            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao","TOF",3))
            {
                database.setScore(this,"Diemcao","TOF","KHO",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao","TOF",3);
            lever.setText("Mức độ khó");
        }
    }

    public void onePlayer()
    {
        if(mucchoi==10) {
            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao",pheptoan,1))
            {
                database.setScore(this,"Diemcao",pheptoan,"EASY",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao",pheptoan,1);
            lever.setText("Mức độ dễ");
        }else if(mucchoi==100) {

            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao",pheptoan,2))
            {
                database.setScore(this,"Diemcao",pheptoan,"TRUNGBINH",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao",pheptoan,2);
            lever.setText("Mức trung bình");
        } else {
            if(it.getIntExtra("score",0) > database.getScore(this,"Diemcao",pheptoan,3))
            {
                database.setScore(this,"Diemcao",pheptoan,"KHO",it.getIntExtra("score",0));
            }
            diemcao = database.getScore(this,"Diemcao",pheptoan,3);
            lever.setText("Mức độ khó");
        }
    }
    private void anhxa()
    {
        it = getIntent();
        back=(Button)findViewById(R.id.back);
        mainmaenu=(Button)findViewById(R.id.mainmenu);
        playgain=(Button)findViewById(R.id.TryAgain);
        score=(TextView)findViewById(R.id.txtScore);
        highscore = (TextView)findViewById(R.id.txtHighScore);
        lever=(TextView)findViewById(R.id.lever);
    }
}

package com.example.freakingmath;
import android.app.*;
import android.content.Intent;
import android.view.*;
import android.os.Bundle;
import android.widget.Button;
import android.widget.TextView;

public class GameOverTwoPlay extends Activity {
    private Button back, mainmaenu, playgain;
    private TextView score, highscore;
    Database database;
    Intent it=null;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            Intent intent = new Intent(GameOverTwoPlay.this, Typeofplay.class);
            startActivity(intent);
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_game_over_two_play);
        anhxa();
            int diemcao=0;
            int scr1=it.getIntExtra("score1",0), scr2 = it.getIntExtra("score2",0);
            if(scr1 >= scr2)
            {
                if(scr1 > database.getScore(this,"Diemcao","2NC",1))
                {
                    database.setScore(this,"Diemcao","2NC","EASY",scr1);
                }
            }else if(scr2 > database.getScore(this,"Diemcao","2NC",1)){
                database.setScore(this,"Diemcao","2NC","EASY",scr2);
            }
            diemcao = database.getScore(this,"Diemcao","2NC",1);

        score.setText(String.valueOf(scr1) +" - " + String.valueOf(scr2)) ;
        highscore.setText(("High Score: " +String.valueOf(diemcao)));
        database.close();
        mainmaenu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onDestroy();
                Intent intent = new Intent(GameOverTwoPlay.this,MainActivity.class);
                finish();
                startActivity(intent);
            }
        });
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(GameOverTwoPlay.this, Typeofplay.class);
                startActivity(intent);
            }
        });
        playgain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onDestroy();
                Intent intent = new Intent(GameOverTwoPlay.this, playTwoPlayer.class);
                startActivity(intent);
            }
        });
    }

    private void anhxa()
    {
        database = new Database(this,"",null,1);
        it = getIntent();
        back=(Button)findViewById(R.id.back);
        mainmaenu=(Button)findViewById(R.id.mainmenu);
        playgain=(Button)findViewById(R.id.TryAgain);
        score=(TextView)findViewById(R.id.scores);
        highscore = (TextView)findViewById(R.id.txtHighScore);
    }
}

package com.example.freakingmath;

import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.TextView;
import android.app.*;

public class HighScore extends Activity {
    private Button back;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            startActivity(new Intent(HighScore.this, MainActivity.class));
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.highscores);
        back = (Button)findViewById(R.id.back);
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(HighScore.this, MainActivity.class));
            }
        });
        Database dtb = new Database(this,"",null,1);
        TextView TOF_de, TOF_tb, TOF_kho,Hainguoichoi;
        TextView oneplay11,oneplay12, oneplay13;
        TextView oneplay21,oneplay22, oneplay23;
        TextView oneplay31,oneplay32, oneplay33;
        TextView oneplay41,oneplay42, oneplay43;
        TextView oneplay51,oneplay52, oneplay53;

        TOF_de = (TextView)findViewById(R.id.TOFde);
        TOF_tb = (TextView)findViewById(R.id.TOFtb);
        TOF_kho = (TextView)findViewById(R.id.TOFkho);
        oneplay11=(TextView)findViewById(R.id.oneplay11);
        oneplay12=(TextView)findViewById(R.id.oneplay12);
        oneplay13=(TextView)findViewById(R.id.oneplay13);
        oneplay21=(TextView)findViewById(R.id.oneplay21);
        oneplay22=(TextView)findViewById(R.id.oneplay22);
        oneplay23=(TextView)findViewById(R.id.oneplay23);
        oneplay31=(TextView)findViewById(R.id.oneplay31);
        oneplay32=(TextView)findViewById(R.id.oneplay32);
        oneplay33=(TextView)findViewById(R.id.oneplay33);
        oneplay41=(TextView)findViewById(R.id.oneplay41);
        oneplay42=(TextView)findViewById(R.id.oneplay42);
        oneplay43=(TextView)findViewById(R.id.oneplay43);
        oneplay51=(TextView)findViewById(R.id.oneplay51);
        oneplay52=(TextView)findViewById(R.id.oneplay52);
        oneplay53=(TextView)findViewById(R.id.oneplay53);

        Hainguoichoi=(TextView)findViewById(R.id.hainguoichoi);
        TOF_de.setText(String.valueOf(dtb.getScore(this,"Diemcao","TOF",1)));
        TOF_tb.setText(String.valueOf(dtb.getScore(this,"Diemcao","TOF",2)));
        TOF_kho.setText(String.valueOf(dtb.getScore(this,"Diemcao","TOF",3)));
        Hainguoichoi.setText(String.valueOf(dtb.getScore(this,"Diemcao","2NC",1)));
        oneplay11.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepcong",1)));
        oneplay12.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepcong",2)));
        oneplay13.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepcong",3)));
        oneplay21.setText(String.valueOf(dtb.getScore(this,"Diemcao","pheptru",1)));
        oneplay22.setText(String.valueOf(dtb.getScore(this,"Diemcao","pheptru",2)));
        oneplay23.setText(String.valueOf(dtb.getScore(this,"Diemcao","pheptru",3)));
        oneplay31.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepnhan",1)));
        oneplay32.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepnhan",2)));
        oneplay33.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepnhan",3)));
        oneplay41.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepchia",1)));
        oneplay42.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepchia",2)));
        oneplay43.setText(String.valueOf(dtb.getScore(this,"Diemcao","phepchia",3)));
        oneplay51.setText(String.valueOf(dtb.getScore(this,"Diemcao","all",1)));
        oneplay52.setText(String.valueOf(dtb.getScore(this,"Diemcao","all",2)));
        oneplay53.setText(String.valueOf(dtb.getScore(this,"Diemcao","all",3)));
        dtb.close();

    }
}

package com.example.freakingmath;

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.app.*;
import android.view.*;
import android.widget.Button;
public class MainActivity extends Activity {
    private Button btntacgia, choingay, setting, highscore;
    private MediaPlayer media;
    private Database database;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
        anhxa();
        database.Create(this);
        media=MediaPlayer.create(MainActivity.this, R.raw.startgame);
        media.setLooping(true);
        media.start();
        btntacgia.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                media.stop();
                LazyTeam();
            }
        });
        choingay.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                media.stop();
                Intent intent = new Intent(MainActivity.this, Typeofplay.class);
                startActivity(intent);
            }
        });
        setting.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialongsetting();
            }
        });
        highscore.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                media.stop();
                startActivity(new Intent(MainActivity.this, HighScore.class) );
            }
        });
    }
    public void LazyTeam()
    {
        Dialog dialog= new Dialog(this);
        dialog.setContentView(R.layout.activity_author);
        dialog.show();
    }
    public void dialongsetting()
    {
        Dialog dialog = new Dialog(this);
        dialog.setContentView(R.layout.dialog_setting);
        dialog.show();
    }
    public void anhxa()
    {
        database =  new Database(this,"",null,1);
        btntacgia=(Button)findViewById(R.id.tacgia);
        choingay=(Button)findViewById(R.id.choingay);
        setting=(Button)findViewById(R.id.setting);
        highscore =(Button)findViewById(R.id.highscore);
    }
}

package com.example.freakingmath;

import androidx.appcompat.app.AppCompatActivity;
import android.app.*;
import android.content.Intent;
import android.view.*;
import android.os.Bundle;
import android.widget.Button;

public class MucChoi1NC extends Activity {
    private Button back, de, kho, trungbinh;
    private Intent intent;
    private String pheptoan;
    int mucchoi;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            startActivity(new Intent(MucChoi1NC.this, onePlayer.class));
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_muc_choi);
        Anhxa();
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(MucChoi1NC.this, onePlayer.class));
            }
        });
        de.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent it = new Intent(MucChoi1NC.this,playOnePlayer.class);
                it.putExtra("mucchoi",10);
                it.putExtra("pheptoan",pheptoan);
                startActivity(it);
            }
        });
        trungbinh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent it = new Intent(MucChoi1NC.this,playOnePlayer.class);
                it.putExtra("mucchoi",100);
                it.putExtra("pheptoan",pheptoan);
                startActivity(it);
            }
        });
        kho.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent it = new Intent(MucChoi1NC.this,playOnePlayer.class);
                it.putExtra("mucchoi", 1000);
                it.putExtra("pheptoan",pheptoan);
                startActivity(it);
            }
        });
    }
    void Anhxa()
    {
        back=(Button)findViewById(R.id.back);
        de=(Button)findViewById(R.id.easy);
        trungbinh=(Button)findViewById(R.id.normal);
        kho=(Button)findViewById(R.id.difficult);
        intent = getIntent();
        pheptoan = intent.getStringExtra("pheptoan");
    }
}

package com.example.freakingmath;

import android.content.Intent;
import android.view.*;
import android.app.*;
import android.os.Bundle;
import android.widget.Button;

public class MucChoiToF extends Activity {
    private Button back, easy, normal,difficult;
    private int mucchoi;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            Intent intent = new Intent(MucChoiToF.this, Typeofplay.class);
            startActivity(intent);
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_muc_choi);
        anhxa();
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MucChoiToF.this, Typeofplay.class);
                startActivity(intent);
            }
        });
        easy.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MucChoiToF.this, trueorfalse.class);
                intent.putExtra("mucchoi",10);
                intent.putExtra("playagain",1);
                startActivity(intent);
            }
        });
        normal.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MucChoiToF.this, trueorfalse.class);
                intent.putExtra("mucchoi",100);
                intent.putExtra("playagain",1);
                startActivity(intent);
            }
        });
        difficult.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MucChoiToF.this, trueorfalse.class);
                intent.putExtra("playagain",1);
                intent.putExtra("mucchoi",1000);
                startActivity(intent);
            }
        });
    }
    private void anhxa()
    {
        back=(Button)findViewById(R.id.back);
        easy=(Button)findViewById(R.id.easy);
        normal=(Button)findViewById(R.id.normal);
        difficult=(Button)findViewById(R.id.difficult);
    }
}

package com.example.freakingmath;

import androidx.appcompat.app.AppCompatActivity;
import android.app.*;
import android.content.Intent;
import android.view.*;

import android.os.Bundle;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

public class onePlayer extends Activity {
    private TextView back;
    private LinearLayout phepcong, pheptru,phepnhan,phepchia,phepall;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            startActivity(new Intent(onePlayer.this, Typeofplay.class));
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_one_player);
        anhxa();
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(onePlayer.this, Typeofplay.class));
            }
        });
        phepcong.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(onePlayer.this,MucChoi1NC.class);
                intent.putExtra("pheptoan","phepcong");
                intent.putExtra("playagain",2);
                startActivity(intent);
            }
        });
        pheptru.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(onePlayer.this,MucChoi1NC.class);
                intent.putExtra("pheptoan","pheptru");
                intent.putExtra("playagain",2);
                startActivity(intent);
            }
        });
        phepnhan.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(onePlayer.this,MucChoi1NC.class);
                intent.putExtra("pheptoan","phepnhan");
                intent.putExtra("playagain",2);
                startActivity(intent);
            }
        });
        phepchia.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(onePlayer.this,MucChoi1NC.class);
                intent.putExtra("pheptoan","phepchia");
                startActivity(intent);
            }
        });
        phepall.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(onePlayer.this,MucChoi1NC.class);
                intent.putExtra("pheptoan","all");
                startActivity(intent);
            }
        });
    }
    private void anhxa()
    {
        back=(TextView) findViewById(R.id.back);
        phepcong=(LinearLayout)findViewById(R.id.Phepcong);
        pheptru=(LinearLayout)findViewById(R.id.Pheptru);
        phepnhan=(LinearLayout)findViewById(R.id.Phepnhan);
        phepchia=(LinearLayout)findViewById(R.id.Phepchia);
        phepall=(LinearLayout)findViewById(R.id.Phepall);
    }
}

package com.example.freakingmath;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.media.MediaPlayer;
import android.os.CountDownTimer;
import android.view.*;
import android.app.*;
import android.os.Bundle;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;

import org.w3c.dom.Text;

import java.util.Random;

public class playOnePlayer extends Activity {
    private Button a, b, c, d;
    private TextView txt, score;
    private String pheptoan;
    int mucchoi;
    private Intent it;
    private CountDownTimer cTimer1 = null;
    private SeekBar seekBar;
    private int tg = 39;
    private int dapandung;
    private int scores=0;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_play_one_player);
        Anhxa();
        startTimer1();
        RandomQuestion();
        a.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
               try{
                   if(dapandung==1)lvup();
                   else{
                       thuagame();
                   }
               }catch (Exception e){}
            }
        });
        b.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(dapandung==2)lvup();
                    else{
                        thuagame();
                    }
                }catch (Exception e){}
            }
        });
        c.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
               try{
                   if(dapandung==3)lvup();
                   else{
                       thuagame();
                   }
               }catch ( Exception e){}
            }
        });
        d.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(dapandung==4)lvup();
                    else{
                        thuagame();
                    }
                }catch (Exception e){}
            }
        });
    }
    public void lvup(){
        MediaPlayer player;
        player = MediaPlayer.create(this, R.raw.quaman);
        player.start();
        scores++; cTimer1.cancel();
        tg=39;
        score.setText("Scores: "+String.valueOf(scores));
        startTimer1();
        RandomQuestion();
    }
    public void thuagame()
    {
        MediaPlayer player;
        player = MediaPlayer.create(this, R.raw.thuacuoc);
        player.start();
        cTimer1.cancel();
        onDestroy();
        Intent intent = new Intent(playOnePlayer.this, GameOver.class);
        intent.putExtra("mucchoi", mucchoi);
        intent.putExtra("pheptoan",pheptoan);
        intent.putExtra("playagain", 2);
        intent.putExtra("score",scores);
        startActivity(intent);
    }
    public void startTimer1() {
        cTimer1 = new CountDownTimer(4000, 100) {
            public void onTick(long millisUntilFinished) {
                tg--;
                seekBar.setProgress(tg);
            }
            public void onFinish() {
                thuagame();
            }
        };
        cTimer1.start();
    }
    public void randomPhepcong()
    {
        Random random = new Random();
        dapandung = random.nextInt(4)+1;
        int nb1,nb2,nb3;
        nb1=random.nextInt(mucchoi); nb2=random.nextInt(mucchoi);
        txt.setText(String.valueOf(nb1)+ " + " +String.valueOf(nb2)+" = ?");
        nb3=nb1+nb2;
        int arr[] = new int[4];
        for(int i=0;i<4;i++)
        {
            arr[i]=random.nextInt(Math.max(nb1,nb2)+1)+Math.min(nb1,nb2);
            if(arr[i]==nb3) i--;
        }
        a.setText(String.valueOf(arr[0]));
        b.setText(String.valueOf(arr[1]));
        c.setText(String.valueOf(arr[2]));
        d.setText(String.valueOf(arr[3]));
        if(dapandung==1) a.setText(String.valueOf(nb3));
        else if(dapandung==2) b.setText(String.valueOf(nb3));
        else if(dapandung==3) c.setText(String.valueOf(nb3));
        else if(dapandung==4) d.setText(String.valueOf(nb3));
    }
    public void randomPheptru()
    {
        Random random = new Random();
        dapandung = random.nextInt(4)+1;
        int nb1,nb2,nb3;
        nb1=random.nextInt(mucchoi);
        do{
            nb2=random.nextInt(mucchoi);
        }while (nb2>=nb1);
        txt.setText(String.valueOf(nb1)+" - "+String.valueOf(nb2)+" = ?");
        nb3=nb1-nb2;
        int arr[] = new int[4];
        for(int i=0;i<4;i++)
        {
            arr[i]=random.nextInt(Math.max(nb1,nb2)+1)+Math.min(nb1,nb2);
            if(arr[i]==nb3) i--;
        }
        a.setText(String.valueOf(arr[0]));
        b.setText(String.valueOf(arr[1]));
        c.setText(String.valueOf(arr[2]));
        d.setText(String.valueOf(arr[3]));
        if(dapandung==1) a.setText(String.valueOf(nb3));
        else if(dapandung==2) b.setText(String.valueOf(nb3));
        else if(dapandung==3) c.setText(String.valueOf(nb3));
        else if(dapandung==4) d.setText(String.valueOf(nb3));
    }
    public void randomphepnhan()
    {
        int mucchoi1=10;
        if(mucchoi==100) mucchoi1=40;
        else if(mucchoi==1000) mucchoi1=90;
        Random random = new Random();
        dapandung = random.nextInt(4)+1;
        int nb1,nb2,nb3;
        nb1=random.nextInt(mucchoi1);
        nb2=random.nextInt(mucchoi1);
        txt.setText(String.valueOf(nb1)+" * "+String.valueOf(nb2)+" = ?");
        nb3=nb1*nb2;
        int arr[] = new int[4];
        for(int i=0;i<4;i++)
        {
            arr[i]=random.nextInt((Math.max(nb1,nb2)*Math.max(nb1,nb2)+1) - (Math.min(nb1,nb2)*Math.min(nb1,nb2))) + (Math.min(nb1,nb2)*Math.min(nb1,nb2));
            if(arr[i]==nb3) i--;
        }
        a.setText(String.valueOf(arr[0]));
        b.setText(String.valueOf(arr[1]));
        c.setText(String.valueOf(arr[2]));
        d.setText(String.valueOf(arr[3]));
        if(dapandung==1) a.setText(String.valueOf(nb3));
        else if(dapandung==2) b.setText(String.valueOf(nb3));
        else if(dapandung==3) c.setText(String.valueOf(nb3));
        else if(dapandung==4) d.setText(String.valueOf(nb3));
    }
    public void randomPhepchia()
    {
        int mucchoi1=10;
        if(mucchoi==100) mucchoi1=40;
        else if(mucchoi==1000) mucchoi1=90;
        Random random = new Random();
        dapandung = random.nextInt(4)+1;
        int nb1,nb2,nb3;
        nb2=random.nextInt(mucchoi1);
        nb3=random.nextInt(mucchoi1);
        nb1=nb3*nb2;
        txt.setText(String.valueOf(nb1)+" / "+String.valueOf(nb2)+" = ?");
        int arr[] = new int[4];
        for(int i=0;i<4;i++)
        {
            arr[i]=random.nextInt(11)+1;
            if(arr[i]==nb1) i--;
        }
        a.setText(String.valueOf(arr[0]));
        b.setText(String.valueOf(arr[1]));
        c.setText(String.valueOf(arr[2]));
        d.setText(String.valueOf(arr[3]));
        if(dapandung==1) a.setText(String.valueOf(nb3));
        else if(dapandung==2) b.setText(String.valueOf(nb3));
        else if(dapandung==3) c.setText(String.valueOf(nb3));
        else if(dapandung==4) d.setText(String.valueOf(nb3));
    }
    public void RandomQuestion()
    {
        if(pheptoan.equals("phepcong") == true)
        {
            randomPhepcong();
        }else  if(pheptoan.equals("pheptru") == true){
            randomPheptru();
        }else  if(pheptoan.equals("phepnhan") == true)
        {
            randomphepnhan();
        }else if(pheptoan.equals("phepchia") == true)
        {
            randomPhepchia();
        }else{
            Random random = new Random();
            int operations=random.nextInt(4)+1;
            if(operations==1){
                randomPhepcong();
            }else if(operations==2){
                randomPheptru();
            }else if(operations==3){
                randomphepnhan();
            }else{
                randomPhepchia();
            }
        }
    }
    void Anhxa()
    {
        a=(Button)findViewById(R.id.answerplayera);
        b=(Button)findViewById(R.id.answerplayerb);
        c=(Button)findViewById(R.id.answerplayerc);
        d=(Button)findViewById(R.id.answerplayerd);
        it=getIntent() ;
        seekBar=(SeekBar)findViewById(R.id.seekbar);
        txt=(TextView)findViewById(R.id.txt);
        score=(TextView)findViewById(R.id.sorce);
        mucchoi=it.getIntExtra("mucchoi",1);
        pheptoan=it.getStringExtra("pheptoan");
    }
}

package com.example.freakingmath;

import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.view.*;
import android.app.*;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;

import java.util.Random;

public class playTwoPlayer extends Activity {
    private Button btnPlayer1a, btnPlayer1b, btnPlayer1c, btnPlayer1d;
    private Button btnPlayer2a, btnPlayer2b, btnPlayer2c, btnPlayer2d;
    TextView questionPlayer1, questionPlayer2, scoresPlayer1, scoresPlayer2;
    SeekBar seekBarPlayer1, seekBarPlayer2;
    private CountDownTimer cTimer1 = null;
    private MediaPlayer media=null;
    private int tg1=39, tg2=39;
    private boolean isOver1 = false, isOver2=false;
    int dapandung=0, dapandung1=0, scores1=0, scores2=0;
    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            //preventing default implementation previous to android.os.Build.VERSION_CODES.ECLAIR
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_twoplayers);
        anhxa();
        startTimer1();
        RandomPlayer1();
        RandomPlayer2();
        btnPlayer1();
        btnPlayer2();
    }


    public void startTimer1() {
        cTimer1 = new CountDownTimer(4100, 100) {
            public void onTick(long millisUntilFinished) {
                try{
                    seekBarPlayer1.setProgress(tg1);
                    seekBarPlayer2.setProgress(tg2);
                    if(tg1==0){
                        isOver1=true;questionPlayer1.setText("GAME OVER");
                    }else tg1--;
                    if(tg2==0) {
                        isOver2=true;questionPlayer2.setText("GAME OVER");
                    }else tg2--;
                }catch (Exception e){}
            }
            public void onFinish() {
                thuaman();
            }
        };
        cTimer1.start();
    }
    public void quaman()
    {
        media= MediaPlayer.create(playTwoPlayer.this,R.raw.quaman);
        media.start();
    }
    public void thuaman()
    {
        try{
            media= MediaPlayer.create(playTwoPlayer.this,R.raw.thuacuoc);
            media.start();
            onDestroy();
            Intent it = new Intent(playTwoPlayer.this, GameOverTwoPlay.class);
            it.putExtra("score1", scores1);
            it.putExtra("score2",scores2);
            startActivity(it);
        }catch (Exception e){}
    }
    public void btnPlayer2()
    {

        btnPlayer2a.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver2==false)
                    {
                        if(dapandung!=1){
                            isOver2=true; RandomPlayer2(); tg2=0;questionPlayer2.setText("GAME OVER");
                        }
                        else {
                            quaman();
                            cTimer1.cancel(); tg2=39;startTimer1();RandomPlayer2();
                            scores2++; scoresPlayer2.setText("Scores: "+String.valueOf(scores2));
                        }
                    }
                }catch (Exception e){}
            }
        });
        btnPlayer2b.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
               try{
                    if(isOver2==false)
                    {
                        if(dapandung!=2){
                            isOver2=true; RandomPlayer2(); tg2=0;questionPlayer2.setText("GAME OVER");
                        }
                        else {
                            quaman();
                            cTimer1.cancel(); tg2=39;startTimer1();RandomPlayer2();
                            scores2++; scoresPlayer2.setText("Scores: "+String.valueOf(scores2));
                        }
                    }
                }catch (Exception e){}
            }
        });
        btnPlayer2c.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver2==false)
                    {
                        if(dapandung!=3){
                            isOver2=true; RandomPlayer2(); tg2=0;questionPlayer2.setText("GAME OVER");
                        }
                        else {
                            quaman();
                            cTimer1.cancel(); tg2=39;startTimer1();RandomPlayer2();
                            scores2++; scoresPlayer2.setText("Scores: "+String.valueOf(scores2));
                        }
                    }
                }catch (Exception e){}
            }
        });
        btnPlayer2d.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver2==false)
                    {
                        if(dapandung!=4){
                            isOver2=true; tg2=0; RandomPlayer2(); questionPlayer2.setText("GAME OVER");
                        }
                        else{
                            quaman();
                            scores2++; scoresPlayer2.setText("Scores: "+String.valueOf(scores2));
                            cTimer1.cancel(); tg2=39;startTimer1();RandomPlayer2();
                        }
                    }
                }catch (Exception e){}
            }
        });
    }
    public void btnPlayer1()
    {
        btnPlayer1a.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver1==false)
                    {
                        if(dapandung1!=1){
                            isOver1=true;tg1=0;questionPlayer1.setText("GAME OVER");
                        }
                        else{
                            quaman();
                            scores1++; scoresPlayer1.setText("Scores: "+String.valueOf(scores1));
                            cTimer1.cancel(); tg1=39;startTimer1();RandomPlayer1();
                        }
                    }
                }catch (Exception e) {}
            }
        });
        btnPlayer1b.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver1==false)
                    {
                        if(dapandung1!=2){
                            isOver1=true;tg1=0;questionPlayer1.setText("GAME OVER");
                        }
                        else{
                            quaman();
                            scores1++; scoresPlayer1.setText("Scores: "+String.valueOf(scores1));
                            cTimer1.cancel(); tg1=39;startTimer1();RandomPlayer1();
                        }
                    }
                }catch (Exception e){}
            }
        });
        btnPlayer1c.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
               try{
                   if(isOver1==false)
                   {
                       if(dapandung1!=3){
                           isOver1=true;tg1=0;questionPlayer1.setText("GAME OVER");
                       }
                       else{
                           quaman();
                           scores1++; scoresPlayer1.setText("Scores: "+String.valueOf(scores1));
                           cTimer1.cancel(); tg1=39;startTimer1();RandomPlayer1();
                       }
                   }
               }catch (Exception e){}
            }
        });
        btnPlayer1d.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try{
                    if(isOver1==false)
                    {
                        if(dapandung1!=4){
                            isOver1=true;tg1=0;questionPlayer1.setText("GAME OVER");
                        }
                        else{
                            quaman();
                            scores1++; scoresPlayer1.setText("Scores: "+String.valueOf(scores1));
                            cTimer1.cancel(); tg1=39;startTimer1();RandomPlayer1();
                        }
                    }
                }catch (Exception e){}
            }
        });
    }
    public void RandomPlayer2()
    {
        Random random = new Random();
        int a,b,c;
        int operations=random.nextInt(4)+1;
        if(operations==1){
            dapandung = random.nextInt(4)+1;
            a=random.nextInt(20); b=random.nextInt(20);
            questionPlayer2.setText(String.valueOf(a)+" + "+String.valueOf(b)+" = ?");
            c=a+b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(Math.max(a,b)+1)+Math.min(a,b);
                if(arr[i]==c) i--;
            }
            btnPlayer2a.setText(String.valueOf(arr[0]));
            btnPlayer2b.setText(String.valueOf(arr[1]));
            btnPlayer2c.setText(String.valueOf(arr[2]));
            btnPlayer2d.setText(String.valueOf(arr[3]));
            if(dapandung==1) btnPlayer2a.setText(String.valueOf(c));
            else if(dapandung==2) btnPlayer2b.setText(String.valueOf(c));
            else if(dapandung==3) btnPlayer2c.setText(String.valueOf(c));
            else if(dapandung==4) btnPlayer2d.setText(String.valueOf(c));
        }else if(operations==2)
        {
            dapandung = random.nextInt(4)+1;
            a=random.nextInt(30);
            do{
                b=random.nextInt(20);
            }while (a<b);
            questionPlayer2.setText(String.valueOf(a)+" - "+String.valueOf(b)+" = ?");
            c=a-b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(Math.max(a,b)-Math.min(a,b)+1)+Math.min(a,b);
                if(arr[i]==c) i--;
            }
            btnPlayer2a.setText(String.valueOf(arr[0]));
            btnPlayer2b.setText(String.valueOf(arr[1]));
            btnPlayer2c.setText(String.valueOf(arr[2]));
            btnPlayer2d.setText(String.valueOf(arr[3]));
            if(dapandung==1) btnPlayer2a.setText(String.valueOf(c));
            else if(dapandung==2) btnPlayer2b.setText(String.valueOf(c));
            else if(dapandung==3) btnPlayer2c.setText(String.valueOf(c));
            else if(dapandung==4) btnPlayer2d.setText(String.valueOf(c));
        }else if(operations==3)
        {
            dapandung = random.nextInt(4)+1;
            a=random.nextInt(11);
                b=random.nextInt(11);
            questionPlayer2.setText(String.valueOf(a)+" x "+String.valueOf(b)+" = ?");
            c=a*b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt((Math.max(a,b)*Math.max(a,b)) - (Math.min(a,b)*Math.min(a,b))+1) + (Math.min(a,b)*Math.min(a,b));
                if(arr[i]==c) i--;
            }
            btnPlayer2a.setText(String.valueOf(arr[0]));
            btnPlayer2b.setText(String.valueOf(arr[1]));
            btnPlayer2c.setText(String.valueOf(arr[2]));
            btnPlayer2d.setText(String.valueOf(arr[3]));
            if(dapandung==1) btnPlayer2a.setText(String.valueOf(c));
            else if(dapandung==2) btnPlayer2b.setText(String.valueOf(c));
            else if(dapandung==3) btnPlayer2c.setText(String.valueOf(c));
            else if(dapandung==4) btnPlayer2d.setText(String.valueOf(c));
        }else {
            dapandung = random.nextInt(4)+1;
            b=random.nextInt(11);
            c=random.nextInt(11);
            a=c*b;
            questionPlayer2.setText(String.valueOf(a)+" / "+String.valueOf(b)+" = ?");
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(11)+1;
                if(arr[i]==c) i--;
            }
            btnPlayer2a.setText(String.valueOf(arr[0]));
            btnPlayer2b.setText(String.valueOf(arr[1]));
            btnPlayer2c.setText(String.valueOf(arr[2]));
            btnPlayer2d.setText(String.valueOf(arr[3]));
            if(dapandung==1) btnPlayer2a.setText(String.valueOf(c));
            else if(dapandung==2) btnPlayer2b.setText(String.valueOf(c));
            else if(dapandung==3) btnPlayer2c.setText(String.valueOf(c));
            else if(dapandung==4) btnPlayer2d.setText(String.valueOf(c));
        }
    }
    public void RandomPlayer1()
    {
        Random random = new Random();
        int a,b,c;
        int operations=random.nextInt(4)+1;
        if(operations==1){
            dapandung1 = random.nextInt(4)+1;
            a=random.nextInt(20); b=random.nextInt(20);
            questionPlayer1.setText(String.valueOf(a)+" + "+String.valueOf(b)+" = ?");
            c=a+b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(Math.max(a,b)+1)+Math.min(a,b);
                if(arr[i]==c) i--;
            }
            btnPlayer1a.setText(String.valueOf(arr[0]));
            btnPlayer1b.setText(String.valueOf(arr[1]));
            btnPlayer1c.setText(String.valueOf(arr[2]));
            btnPlayer1d.setText(String.valueOf(arr[3]));
            if(dapandung1==1) btnPlayer1a.setText(String.valueOf(c));
            else if(dapandung1==2) btnPlayer1b.setText(String.valueOf(c));
            else if(dapandung1==3) btnPlayer1c.setText(String.valueOf(c));
            else if(dapandung1==4) btnPlayer1d.setText(String.valueOf(c));
        }else if(operations==2)
        {
            dapandung1 = random.nextInt(4)+1;
            a=random.nextInt(30);
            do{
                b=random.nextInt(20);
            }while (a<=b);
            questionPlayer1.setText(String.valueOf(a)+" - "+String.valueOf(b)+" = ?");
            c=a-b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(Math.max(a,b)-Math.min(a,b) + 1)+Math.min(a,b);
                if(arr[i]==c) i--;
            }
            btnPlayer1a.setText(String.valueOf(arr[0]));
            btnPlayer1b.setText(String.valueOf(arr[1]));
            btnPlayer1c.setText(String.valueOf(arr[2]));
            btnPlayer1d.setText(String.valueOf(arr[3]));
            if(dapandung==1) btnPlayer1a.setText(String.valueOf(c));
            else if(dapandung1==2) btnPlayer1b.setText(String.valueOf(c));
            else if(dapandung1==3) btnPlayer1c.setText(String.valueOf(c));
            else if(dapandung1==4) btnPlayer1d.setText(String.valueOf(c));
        }else if(operations==3)
        {
            dapandung1 = random.nextInt(4)+1;
            a=random.nextInt(11);
            b=random.nextInt(11);
            questionPlayer1.setText(String.valueOf(a)+" x "+String.valueOf(b)+" = ?");
            c=a*b;
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt((Math.max(a,b)*Math.max(a,b) +1) - (Math.min(a,b)*Math.min(a,b))) + (Math.min(a,b)*Math.min(a,b));
                if(arr[i]==c) i--;
            }
            btnPlayer1a.setText(String.valueOf(arr[0]));
            btnPlayer1b.setText(String.valueOf(arr[1]));
            btnPlayer1c.setText(String.valueOf(arr[2]));
            btnPlayer1d.setText(String.valueOf(arr[3]));
            if(dapandung1==1) btnPlayer1a.setText(String.valueOf(c));
            else if(dapandung1==2) btnPlayer1b.setText(String.valueOf(c));
            else if(dapandung1==3) btnPlayer1c.setText(String.valueOf(c));
            else if(dapandung1==4) btnPlayer1d.setText(String.valueOf(c));
        }else if(operations==4)
        {
            dapandung1 = random.nextInt(4)+1;
            b=random.nextInt(11);
            c=random.nextInt(11);
            a=c*b;
            questionPlayer1.setText(String.valueOf(a)+" / "+String.valueOf(b)+" = ?");
            int arr[] = new int[4];
            for(int i=0;i<4;i++)
            {
                arr[i]=random.nextInt(11)+1;
                if(arr[i]==a) i--;
            }
            btnPlayer1a.setText(String.valueOf(arr[0]));
            btnPlayer1b.setText(String.valueOf(arr[1]));
            btnPlayer1c.setText(String.valueOf(arr[2]));
            btnPlayer1d.setText(String.valueOf(arr[3]));
            if(dapandung1==1) btnPlayer1a.setText(String.valueOf(c));
            else if(dapandung1==2) btnPlayer1b.setText(String.valueOf(c));
            else if(dapandung1==3) btnPlayer1c.setText(String.valueOf(c));
            else if(dapandung1==4) btnPlayer1d.setText(String.valueOf(c));
        }
    }
    void anhxa()
    {
        btnPlayer1a=(Button)findViewById(R.id.answerplayer1a);
        btnPlayer1b=(Button)findViewById(R.id.answerplayer1b);
        btnPlayer1c=(Button)findViewById(R.id.answerplayer1c);
        btnPlayer1d=(Button)findViewById(R.id.answerplayer1d);

        btnPlayer2a=(Button)findViewById(R.id.answerplayer2a);
        btnPlayer2b=(Button)findViewById(R.id.answerplayer2b);
        btnPlayer2c=(Button)findViewById(R.id.answerplayer2c);
        btnPlayer2d=(Button)findViewById(R.id.answerplayer2d);

        questionPlayer1=(TextView)findViewById(R.id.questionplayer1);
        questionPlayer2=(TextView)findViewById(R.id.questionplayer2);

        scoresPlayer1=(TextView)findViewById(R.id.scores1);
        scoresPlayer2=(TextView)findViewById(R.id.scores2);

        seekBarPlayer1=(SeekBar)findViewById(R.id.seekbar1);
        seekBarPlayer2=(SeekBar)findViewById(R.id.seekbar2);
    }
}

package com.example.freakingmath;

import androidx.appcompat.app.AppCompatActivity;
import android.app.*;
import android.content.Intent;
import android.media.MediaPlayer;
import android.mtp.MtpConstants;
import android.os.CountDownTimer;
import android.view.*;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;

import java.util.Random;

public class trueorfalse extends Activity {
    private CountDownTimer cTimer = null;
    private TextView txt;
    private LinearLayout btntrue, btnfalse;
    private SeekBar seekBar;
    private int tg=39;
    private int number1=0, number2=0, result=0;
    private boolean check;
    private int mucchoi;
    private int score=0;
    private TextView sc;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            //preventing default implementation previous to android.os.Build.VERSION_CODES.ECLAIR
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_trueorfalse);
        anhxa();
        randomInput();
        newCountTime();
        btntrue.setOnClickListener(new View.OnClickListener() {
            @Override

            public void onClick(View v) {
                    if(check==true)
                    {
                        quaman();
                    }else Thuagame();
            }
        });
        btnfalse.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                    if(check==false)
                    {
                        quaman();
                    }else Thuagame();
            }
        });
    }
    void newCountTime()
    {
        cTimer= new CountDownTimer(4100,100) {
            @Override
            public void onTick(long millisUntilFinished) {
                tg--;
                seekBar.setProgress(tg);
            }
            @Override
            public void onFinish() {
                Thuagame();
            }
        };
        cTimer.start();
    }

    public void quaman()
    {
        MediaPlayer media=MediaPlayer.create(trueorfalse.this,R.raw.quaman);
        media.start(); cTimer.cancel();
        score++; tg=39;
        sc.setText("Scores: "+String.valueOf(score));
        randomInput();
        newCountTime();
    }
    private void Thuagame()
    {
          MediaPlayer media=MediaPlayer.create(trueorfalse.this,R.raw.thuacuoc);
           media.start();
           cTimer.cancel();
           onDestroy();
           Intent it = new Intent(trueorfalse.this, GameOver.class);
           it.putExtra("playagain",1);
           it.putExtra("mucchoi",mucchoi);
           it.putExtra("score", score);
           startActivity(it);
    }
    public void randomInput()
    {
        Random random = new Random();
        int temp = random.nextInt(2);
        number1 = random.nextInt(mucchoi);
        number2 = random.nextInt(mucchoi);
        if(temp==0){
            check=false;
            temp = random.nextInt(2);
            if(temp==0)
            {
                result = random.nextInt(Math.max(number1,number2)+1)+Math.min(number1,number2);
            }else{
                while(number1 < 1 && number1 < number2){
                    number1 = random.nextInt(mucchoi);
                    number2 = random.nextInt(mucchoi);
                }
                result = random.nextInt(Math.min(number1,number2)+1);
            }
            txt.setText(String.valueOf(number1)+" - "+String.valueOf(number2)+" = "+String.valueOf(result));
        }else{
            check=true;
            temp = random.nextInt(2);
            if(temp==0)
            {
                result = number1+number2;
                txt.setText(String.valueOf(number1)+" + "+String.valueOf(number2)+" = "+String.valueOf(result));
            }else{
                while(number1 < 1 && number1 < number2){
                    number1 = random.nextInt(mucchoi);
                    number2 = random.nextInt(mucchoi);
                }
                result = number1-number2;
                txt.setText(String.valueOf(number1)+" - "+String.valueOf(number2)+" = "+String.valueOf(result));
            }
        }
    }
    private void anhxa(){
        txt=(TextView)findViewById(R.id.txt);
        btnfalse=(LinearLayout)findViewById(R.id.btnFalse);
        btntrue=(LinearLayout)findViewById(R.id.btntrue);
        seekBar=(SeekBar)findViewById(R.id.seekbar);
        sc=(TextView)findViewById(R.id.sorce);
        Intent intent = getIntent();
        mucchoi = intent.getIntExtra("mucchoi", 0);
    }
}

package com.example.freakingmath;

import android.app.*;
import android.content.Intent;
import android.view.*;
import android.os.Bundle;
import android.widget.Button;

public class twoPlayer extends Activity {
    private Button btnBack, btnStart;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            startActivity(new Intent(twoPlayer.this, Typeofplay.class));
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_play_twoplayer);
        btnBack=(Button)findViewById(R.id.back);
        btnStart=(Button)findViewById(R.id.playnow);
        btnStart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(twoPlayer.this, playTwoPlayer.class));
            }
        });
        btnBack.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(twoPlayer.this, Typeofplay.class));
            }
        });
    }
}

package com.example.freakingmath;

import android.content.Intent;
import android.os.Bundle;
import android.app.*;
import android.view.*;
import android.widget.Button;

public class Typeofplay extends Activity {
    private Button trueorfalse, back, twoplayer, onePlay;
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            Intent intent = new Intent(Typeofplay.this, MainActivity.class);
            startActivity(intent);
        }
        return super.onKeyDown(keyCode, event);
    }
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_typeofplay);
        anhxa();
        trueorfalse.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Typeofplay.this, MucChoiToF.class);
                startActivity(intent);
            }
        });
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Typeofplay.this, MainActivity.class);
                startActivity(intent);
            }
        });
        twoplayer.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(Typeofplay.this, twoPlayer.class));
            }
        });
        onePlay.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(Typeofplay.this, onePlayer.class));
            }
        });
    }
    public void anhxa()
    {
        onePlay=(Button)findViewById(R.id.onePlay);
        trueorfalse=(Button)findViewById(R.id.trueorfalse);
        back=(Button)findViewById(R.id.back);
        twoplayer=(Button)findViewById(R.id.twoplayers);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="@drawable/backgroundauthor"
    tools:context=".MainActivity">
    <ScrollView
        android:layout_width="wrap_content"
        android:layout_margin="10dp"
        android:background="@drawable/duongvientacgia"
        android:layout_height="match_parent">
        <LinearLayout
            android:layout_marginBottom="50dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <TextView
                android:textColor="#000"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:text="TRƯỜNG ĐẠI HỌC CÔNG NGHỆ THÔNG TIN VÀ TRUYỀN THÔNG" />

            <TextView
                android:textColor="#000"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:text="KHOA CÔNG NGHỆ THÔNG TIN" />
            <TextView
                android:textColor="#000"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:text="--------o0o--------" />
            <ImageView
                android:layout_marginTop="25dp"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:src="@drawable/logoictu" />
            <TextView
                android:textColor="#000"
                android:layout_marginTop="30dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:textSize="20dp"
                android:textStyle="bold"
                android:text="BÀI TẬP LỚN" />
            <TextView
                android:textColor="#000"
                android:layout_marginTop="10dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:textSize="30dp"
                android:textStyle="bold"
                android:text="LẬP TRÌNH ANDROID" />
            <TextView
                android:textColor="#000"
            android:layout_marginTop="30dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20dp"
            android:textStyle="bold"
            android:text="Giảng viên: " />
            <TextView
                android:textColor="#000"
                android:layout_marginLeft="30dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20dp"
                android:text="Đỗ Thị Loan" />
            <TextView
                android:textColor="#000"
                android:layout_marginTop="30dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20dp"
                android:textStyle="bold"
                android:text="Sinh viên thực hiện:" />
            <TextView
                android:textColor="#000"
            android:layout_marginLeft="30dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20dp"
            android:text="Ngô Văn Chiến" />
            <TextView
                android:textColor="#000"
                android:layout_marginLeft="30dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20dp"
                android:text="Tẩn Cù Chản" />
            <TextView
                android:textColor="#000"
                android:layout_marginLeft="30dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20dp"
                android:text="Bùi Minh Hiền" />
        </LinearLayout>
    </ScrollView>
</LinearLayout>

<?xml version="1.0" encoding="UTF-8"?>

  <LinearLayout
    tools:context=".GameOver"
    android:layout_height="match_parent"
    android:gravity="center"
    android:background="#789"
    android:orientation="vertical"
    android:layout_width="match_parent"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
       <TextView
           android:layout_height="wrap_content"
           android:layout_width="wrap_content"
           android:textSize="25dp"
           android:textColor="#F4A460"
           android:id="@+id/txtScore"/>
      <TextView
          android:layout_height="wrap_content"
          android:layout_width="wrap_content"
          android:textSize="25dp"
          android:textColor="#F4A460"
          android:id="@+id/txtHighScore"
          android:layout_marginBottom="5dp"
          android:layout_marginTop="10dp"/>
      <TextView
          android:layout_height="wrap_content"
          android:layout_width="wrap_content"
          android:textSize="20dp"
          android:textColor="#524"
          android:id="@+id/lever"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:bufferType="spannable"
        android:fontFamily="@font/shojumaru"
        android:gravity="center"
        android:text="GAME OVER"
        android:textColor="#F03"
        android:textSize="70dp"
        android:typeface="monospace"
        android:visibility="visible"
        tools:visibility="visible" />
      <Button android:layout_height="50dp"
          android:background="@drawable/gocbotron3"
          android:layout_width="260dp"
          android:text="Chơi Lại"
          android:textSize="25dp"
          android:textColor="#fff"
          android:id="@+id/TryAgain"
          android:layout_margin="15dp"/>
      <Button android:layout_height="50dp"
          android:background="@drawable/gocbotron3"
          android:layout_width="260dp"
          android:text="Menu Chính"
          android:textSize="25dp"
          android:textColor="#fff"
          android:id="@+id/mainmenu"
          android:layout_margin="15dp"/>
      <Button
          android:layout_height="50dp"
          android:background="@drawable/gocbotron3"
          android:layout_width="260dp"
          android:text="Trở Về"
          android:textSize="25dp"
          android:textColor="#fff"
          android:id="@+id/back"
          android:layout_margin="15dp"/>
</LinearLayout>

<?xml version="1.0" encoding="UTF-8"?>

<LinearLayout
    tools:context=".GameOver"
    android:layout_height="match_parent"
    android:gravity="center"
    android:background="#789"
    android:orientation="vertical"
    android:layout_width="match_parent"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <TextView
        android:text="Player 1 vs  Player 2"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:textSize="20dp"
        android:textColor="#524"
        android:id="@+id/player1"/>

    <TextView
        android:id="@+id/scores"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#f88"
        android:textSize="25dp" />

    <TextView
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:textSize="25dp"
        android:textColor="#F4A460"
        android:id="@+id/txtHighScore"
        android:layout_marginBottom="5dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:bufferType="spannable"
        android:fontFamily="@font/shojumaru"
        android:gravity="center"
        android:text="GAME OVER"
        android:textColor="#F03"
        android:textSize="70dp"
        android:typeface="monospace"
        android:visibility="visible"
        tools:visibility="visible" />
    <Button android:layout_height="50dp"
        android:background="@drawable/gocbotron3"
        android:layout_width="260dp"
        android:text="Chơi Lại"
        android:textSize="25dp"
        android:textColor="#fff"
        android:id="@+id/TryAgain"
        android:layout_margin="15dp"/>
    <Button android:layout_height="50dp"
        android:background="@drawable/gocbotron3"
        android:layout_width="260dp"
        android:text="Menu Chính"
        android:textSize="25dp"
        android:textColor="#fff"
        android:id="@+id/mainmenu"
        android:layout_margin="15dp"/>
    <Button
        android:layout_height="50dp"
        android:background="@drawable/gocbotron3"
        android:layout_width="260dp"
        android:text="Trở Về"
        android:textSize="25dp"
        android:textColor="#fff"
        android:id="@+id/back"
        android:layout_margin="15dp"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@drawable/images"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_centerInParent="true"
        android:layout_width="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_height="wrap_content">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:fontFamily="@font/alfa_slab_one"
            android:gravity="center"
            android:text="FREAKING MATH"
            android:textColor="#fff"
            android:textSize="55dp"
            android:textStyle="bold"
            app:fontFamily="@font/alfa_slab_one" />

        <Button
            android:id="@+id/choingay"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron"
            android:layout_margin="10dp"
            android:text="Chơi Ngay"/>

        <Button
            android:id="@+id/highscore"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron"
            android:layout_margin="10dp"
            android:text="Điểm Cao"/>

        <Button
            android:id="@+id/setting"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron"
            android:layout_margin="10dp"
            android:text="Cài Đặt"/>
        <Button
            android:id="@+id/tacgia"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron"
            android:layout_margin="10dp"
            android:text="Tác Giả"/>
    </LinearLayout>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@drawable/images"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_centerInParent="true"
        android:layout_width="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:fontFamily="@font/alfa_slab_one"
            android:gravity="center"
            android:text="MỨC CHƠI"
            android:textColor="#fff"
            android:textSize="55dp"
            android:textStyle="bold"
            app:fontFamily="@font/alfa_slab_one" />
        <Button
            android:id="@+id/easy"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron2"
            android:layout_margin="15dp"
            android:text="DỄ"/>
        <Button
            android:id="@+id/normal"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron2"
            android:layout_margin="15dp"
            android:text="Trung Bình"/>
        <Button
            android:id="@+id/difficult"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron2"
            android:layout_margin="15dp"
            android:text="KHÓ"/>
        <Button
            android:id="@+id/back"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron2"
            android:layout_margin="15dp"
            android:text="Quay Về"/>
    </LinearLayout>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/backgroundoneplay"
    android:orientation="vertical"
    tools:context=".onePlayer">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="75dp"
        android:background="#36c">
        <LinearLayout
            android:layout_margin="5dp"
            android:background="@drawable/gocbotronback2"
            android:layout_width="100dp"
            android:layout_height="65dp"
            android:gravity="center">
            <TextView
                android:id="@+id/back"
                android:layout_width="65dp"
                android:layout_height="65dp"
                android:background="@drawable/ic_reply_black_24dp"/>
        </LinearLayout>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <ScrollView
            android:layout_width="match_parent"
            android:layout_height="wrap_content">
            <LinearLayout
                android:layout_width="match_parent"
                android:orientation="vertical"
                android:layout_height="wrap_content">
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="219dp"
                    android:padding="10dp"
                    android:weightSum="2">
                    <LinearLayout
                        android:id="@+id/Phepcong"
                        android:layout_marginLeft="15dp"
                        android:layout_marginRight="15dp"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:background="@drawable/maunenphepcong">
                        <TextView
                            android:layout_width="150dp"
                            android:layout_height="150dp"
                            android:background="@drawable/ic_add_black_24dp"/>
                    </LinearLayout>
                    <LinearLayout
                        android:id="@+id/Pheptru"
                        android:layout_marginLeft="15dp"
                        android:layout_marginRight="15dp"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:background="@drawable/maunenpheptru">
                        <TextView
                            android:layout_width="150dp"
                            android:layout_height="150dp"
                            android:background="@drawable/ic_remove_black_24dp"/>
                    </LinearLayout>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="219dp"
                    android:padding="10dp"
                    android:weightSum="2">
                    <LinearLayout
                        android:id="@+id/Phepnhan"
                        android:layout_marginLeft="15dp"
                        android:layout_marginRight="15dp"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:background="@drawable/maunenphepnhan">
                        <TextView
                            android:layout_width="150dp"
                            android:layout_height="150dp"
                            android:rotation="45"
                            android:background="@drawable/ic_add_black_24dp"/>
                    </LinearLayout>
                    <LinearLayout
                        android:id="@+id/Phepchia"
                        android:layout_marginLeft="15dp"
                        android:layout_marginRight="15dp"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:background="@drawable/maunenphepchia">
                        <TextView
                            android:layout_width="120dp"
                            android:layout_height="120dp"
                            android:background="@drawable/phepchia"/>
                    </LinearLayout>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="219dp"
                    android:padding="10dp"
                    android:weightSum="2">
                    <LinearLayout
                        android:id="@+id/Phepall"
                        android:layout_marginLeft="15dp"
                        android:layout_marginRight="15dp"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:gravity="center"
                        android:layout_weight="1"
                        android:weightSum="2"
                        android:orientation="vertical"
                        android:background="@drawable/maunenphep4">
                        <LinearLayout
                            android:layout_width="match_parent"
                            android:layout_height="0dp"
                            android:weightSum="2"
                            android:layout_weight="1">
                            <LinearLayout
                                android:layout_width="0dp"
                                android:layout_weight="1"
                                android:gravity="center"
                                android:layout_height="match_parent">
                                <TextView
                                    android:layout_width="80dp"
                                    android:layout_height="80dp"
                                    android:background="@drawable/ic_add_black_24dp"/>
                            </LinearLayout>
                            <LinearLayout
                                android:layout_width="0dp"
                                android:layout_weight="1"
                                android:gravity="center"
                                android:layout_height="match_parent">
                                <TextView
                                    android:layout_width="80dp"
                                    android:layout_height="80dp"
                                    android:background="@drawable/ic_remove_black_24dp"/>
                            </LinearLayout>
                        </LinearLayout>
                        <LinearLayout
                            android:layout_width="match_parent"
                            android:layout_height="0dp"
                            android:layout_weight="1">
                            <LinearLayout
                                android:layout_width="0dp"
                                android:layout_weight="1"
                                android:gravity="center"
                                android:layout_height="match_parent">
                                <TextView
                                    android:rotation="45"
                                    android:layout_width="80dp"
                                    android:layout_height="80dp"
                                    android:background="@drawable/ic_add_black_24dp"/>
                            </LinearLayout>
                            <LinearLayout
                                android:layout_width="0dp"
                                android:layout_weight="1"
                                android:gravity="center"
                                android:layout_height="match_parent">
                                <TextView
                                    android:layout_width="60dp"
                                    android:layout_height="60dp"
                                    android:background="@drawable/phepchia"/>
                            </LinearLayout>
                        </LinearLayout>
                    </LinearLayout>
                </LinearLayout>
            </LinearLayout>
        </ScrollView>
    </LinearLayout>


</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:background="#123"
    android:weightSum="100"
    android:orientation="vertical"
    android:layout_height="match_parent"
    tools:context=".trueorfalse">
    <LinearLayout
        android:layout_weight="60"
        android:layout_width="match_parent"
        android:weightSum="100"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_height="0dp">

        <SeekBar
            android:id="@+id/seekbar"
            android:layout_width="match_parent"
            android:layout_height="10dp"
            android:layout_alignParentTop="true"
            android:layout_marginTop="3dp"
            android:layout_weight="1"
            android:layerType="hardware"
            android:max="39"
            android:progress="39"
            android:scrollbarSize="50dp" />
        <TextView
            android:id="@+id/sorce"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Scores: 0"
            android:textSize="26dp"
            android:gravity="right"
            android:textColor="#fff"
            android:layout_marginRight="10dp"/>
        <TextView
            android:layout_weight="99"
            android:id="@+id/txt"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textColor="#fff"
            android:textSize="70dp"/>
    </LinearLayout>

    <LinearLayout
        android:id="@+id/btntrue"
        android:layout_weight="40"
        android:layout_width="match_parent"
        android:weightSum="100"
        android:orientation="vertical"
        android:layout_height="0dp">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="50"
            android:weightSum="2">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayera"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayerb"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="50"
            android:weightSum="2">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayerc"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayerd"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
        </LinearLayout>

    </LinearLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:background="@drawable/images"
    android:layout_height="match_parent"
    tools:context=".twoPlayer">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:gravity="center"
        android:text="TWO PLAYER MODE"
        android:textColor="#fff"
        android:textSize="55dp"
        android:textStyle="bold"
        app:fontFamily="@font/alfa_slab_one" />
    <Button
        android:id="@+id/playnow"
        android:textSize="25dp"
        android:layout_width="260dp"
        android:textColor="#fff"
        android:layout_height="50dp"
        android:background="@drawable/gocbotron2"
        android:layout_margin="15dp"
        android:text="Bắt Đầu"/>
    <Button
        android:id="@+id/back"
        android:textSize="25dp"
        android:layout_width="260dp"
        android:textColor="#fff"
        android:layout_height="50dp"
        android:background="@drawable/gocbotron2"
        android:layout_margin="15dp"
        android:text="Quay Về"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:background="#123"
    android:weightSum="100"
    android:orientation="vertical"
    android:layout_height="match_parent"
    tools:context=".trueorfalse">
    <LinearLayout
        android:layout_weight="70"
        android:layout_width="match_parent"
        android:weightSum="100"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_height="0dp">

        <SeekBar
            android:id="@+id/seekbar"
            android:layout_width="match_parent"
            android:layout_height="10dp"
            android:layout_alignParentTop="true"
            android:layout_marginTop="3dp"
            android:layout_weight="1"
            android:layerType="hardware"
            android:max="39"
            android:progress="39"
            android:scrollbarSize="50dp" />
        <TextView
            android:id="@+id/sorce"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Scores: 0"
            android:textSize="26dp"
            android:gravity="right"
            android:textColor="#fff"
            android:layout_marginRight="10dp"/>
        <TextView
            android:layout_weight="99"
            android:id="@+id/txt"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textColor="#fff"
            android:textSize="80dp"/>
    </LinearLayout>
    <LinearLayout
        android:id="@+id/btntrue"
        android:layout_weight="30"
        android:layout_width="match_parent"
        android:weightSum="100"
        android:layout_height="0dp">
        <LinearLayout
            android:layout_weight="50"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_margin="10dp"
            android:gravity="center"
            android:background="#09f">
            <TextView
                android:layout_width="130dp"
                android:layout_height="130dp"
                android:background="@drawable/ic_check_black_24dp"/>
        </LinearLayout>

        <LinearLayout
            android:id="@+id/btnFalse"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_margin="10dp"
            android:layout_weight="50"
            android:background="#fff"
            android:gravity="center">
            <TextView
                android:layout_width="130dp"
                android:layout_height="130dp"
                android:background="@drawable/ic_clear_black_24dp" />
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:weightSum="2"
    android:layout_height="match_parent"
    tools:context=".playTwoPlayer">
    <LinearLayout
        android:background="#123"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:weightSum="100"
        android:orientation="vertical"
        android:layout_weight="1">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:weightSum="2"
            android:orientation="vertical"
            android:layout_weight="45">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="2"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayer1d"
                    android:rotation="180"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
                <Button
                    android:id="@+id/answerplayer1c"
                    android:rotation="180"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="2"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayer1b"
                    android:rotation="180"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
                <Button
                    android:id="@+id/answerplayer1a"
                    android:rotation="180"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="45"
            android:layout_margin="10dp"
            android:gravity="center"
            android:background="@drawable/oluoiscore">

            <TextView
                android:id="@+id/questionplayer1"
                android:rotation="180"
                android:textStyle="bold"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="#c90"
                android:textSize="40dp"
                app:fontFamily="@font/aclonica" />
        </LinearLayout>
        <LinearLayout
            android:layout_weight="10"
            android:layout_width="match_parent"
            android:weightSum="100"
            android:layout_height="0dp">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="20dp"
                android:layout_weight="75">
                <SeekBar
                    android:rotation="180"
                    android:id="@+id/seekbar1"
                    android:layout_width="0dp"
                    android:layout_height="10dp"
                    android:layout_alignParentTop="true"
                    android:layout_marginTop="3dp"
                    android:layout_weight="1"
                    android:layerType="hardware"
                    android:max="39"
                    android:progress="39"
                    android:scrollbarSize="50dp" />
            </LinearLayout>
            <TextView
                android:id="@+id/scores1"
                android:rotation="180"
                android:gravity="center|top"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="25"
                android:text="Scores: 0"
                android:textColor="#fff"
                android:textSize="16dp"/>
        </LinearLayout>
    </LinearLayout>
    <LinearLayout
        android:background="#567"
        android:layout_width="match_parent"
        android:layout_height="2dp"/>
    <LinearLayout
        android:background="#123"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:weightSum="100"
        android:orientation="vertical"
        android:layout_weight="1">
        <LinearLayout
            android:layout_weight="10"
            android:layout_width="match_parent"
            android:weightSum="100"
            android:layout_height="0dp">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="20dp"
                android:layout_weight="75">
                <SeekBar
                    android:id="@+id/seekbar2"
                    android:layout_width="0dp"
                    android:layout_height="10dp"
                    android:layout_alignParentTop="true"
                    android:layout_marginTop="3dp"
                    android:layout_weight="1"
                    android:layerType="hardware"
                    android:max="39"
                    android:progress="39"
                    android:scrollbarSize="50dp" />
            </LinearLayout>
            <TextView
                android:id="@+id/scores2"
                android:gravity="center|top"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="25"
                android:text="Scores: 0"
                android:textColor="#fff"
                android:textSize="16dp"/>
        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="45"
            android:layout_margin="10dp"
            android:gravity="center"
            android:background="@drawable/oluoiscore">

            <TextView
                android:id="@+id/questionplayer2"
                android:textStyle="bold"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="#c90"
                android:textSize="40dp"
                app:fontFamily="@font/aclonica" />
        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:weightSum="2"
            android:orientation="vertical"
            android:layout_weight="45">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="2"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayer2a"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
                <Button
                    android:id="@+id/answerplayer2b"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="2"
                android:layout_weight="1">
                <Button
                    android:id="@+id/answerplayer2c"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
                <Button
                    android:id="@+id/answerplayer2d"
                    android:textStyle="bold"
                    android:textSize="30dp"
                    android:textColor="#fff"
                    android:gravity="center"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="@drawable/oluoi8"
                    android:layout_margin="10dp"/>
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@drawable/backgound1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_centerInParent="true"
        android:layout_width="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="10dp"
            android:fontFamily="@font/alfa_slab_one"
            android:gravity="center"
            android:text="FREAKING MATH"
            android:textColor="#fff"
            android:textSize="55dp"
            android:textStyle="bold"
            app:fontFamily="@font/alfa_slab_one" />
        <Button
            android:id="@+id/trueorfalse"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron1"
            android:layout_margin="15dp"
            android:text="Đúng hoặc Sai"/>
        <Button
            android:id="@+id/onePlay"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron1"
            android:layout_margin="15dp"
            android:text="Một Người Chơi"/>
        <Button
            android:id="@+id/twoplayers"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron1"
            android:layout_margin="15dp"
            android:text="Hai Người Chơi"/>
        <Button
            android:id="@+id/back"
            android:textSize="25dp"
            android:layout_width="260dp"
            android:textColor="#fff"
            android:layout_height="50dp"
            android:background="@drawable/gocbotron1"
            android:layout_margin="15dp"
            android:text="Quay Về"/>
    </LinearLayout>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="300dp"
    android:orientation="vertical"
    android:background="#789"
    android:layout_height="400dp"
    tools:context=".GameOver">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:layout_marginTop="10dp"
        android:text="Cài Đặt"
        android:textColor="#F03"
        android:textSize="50dp"
        android:fontFamily="@font/shojumaru" />
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:layout_marginTop="10dp"
        android:text="Tính năng chưa phát triển"
        android:fontFamily="@font/alfa_slab_one"
        android:textColor="#fff"
        android:textSize="50dp" />
</LinearLayout>

    <LinearLayout

        android:gravity="center"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/LNback"
        android:layout_below="@id/txtdiemcao"
        android:layout_marginTop="-2dp"
        android:layout_marginBottom="17dp"
        android:orientation="vertical">
        <LinearLayout
            android:layout_marginTop="5dp"
            android:layout_marginLeft="5dp"
            android:layout_marginRight="5dp"
            android:layout_width="match_parent"
            android:weightSum="4"
            android:layout_height="50dp">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="EASY"
                    android:textStyle="bold"
                    android:textSize="19dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="NORMAL"
                    android:textStyle="bold"
                    android:textSize="19dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="DIFFICULT"
                    android:textStyle="bold"
                    android:textSize="15dp"/>
            </LinearLayout>
        </LinearLayout>


        <LinearLayout
            android:layout_marginLeft="5dp"
            android:layout_marginRight="5dp"
            android:layout_width="match_parent"
            android:weightSum="4"
            android:layout_height="50dp">
            <LinearLayout
                android:padding="3dp"
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:textStyle="bold"
                    android:gravity="center"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="Đúng hoặc sai"
                    android:textSize="15dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView

                    android:textColor="#99CCFF"
                    android:id="@+id/TOFde"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="25dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:textColor="#99CCFF"
                    android:id="@+id/TOFtb"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="25dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:textColor="#99CCFF"
                    android:id="@+id/TOFkho"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="25dp"/>
            </LinearLayout>
        </LinearLayout>


    <LinearLayout
        android:layout_marginLeft="5dp"
        android:layout_marginRight="5dp"
        android:layout_width="match_parent"
        android:weightSum="4"
        android:layout_height="250dp">
        <LinearLayout
            android:layout_width="0dp"
            android:layout_weight="1"
            android:weightSum="2"
            android:layout_height="match_parent">
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_weight="1">
                <TextView
                    android:textStyle="bold"
                    android:gravity="center"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="Một người chơi"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:orientation="vertical"
                android:weightSum="5"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6"
                    android:layout_weight="1">
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="+"
                        android:textSize="25dp"/>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6"
                    android:layout_weight="1">
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="-"
                        android:textSize="30dp"/>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6"
                    android:layout_weight="1">
                    <TextView
                        android:rotation="45"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="+"
                        android:textSize="25dp"/>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6"
                    android:layout_weight="1">
                    <TextView
                        android:layout_width="20dp"
                        android:layout_height="20dp"
                        android:background="@drawable/phepchia"
                        android:textSize="25dp"/>
                </LinearLayout>
                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6"
                    android:layout_weight="1">
                    <TextView
                        android:textStyle="bold"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="General"
                        android:textSize="12dp"/>
                </LinearLayout>
            </LinearLayout>
        </LinearLayout>
        <LinearLayout
            android:layout_width="0dp"
            android:layout_weight="3"
            android:orientation="vertical"
            android:weightSum="5"
            android:layout_height="match_parent">
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="3"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay11"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay12"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay13"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="3"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay21"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay22"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:textColor="#f00"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay23"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="3"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay31"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">

                    <TextView
                        android:id="@+id/oneplay32"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textColor="#99CCFF"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay33"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="3"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay41"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay42"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay43"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
            </LinearLayout>
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:weightSum="3"
                android:layout_weight="1">
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay51"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay52"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
                <LinearLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:gravity="center"
                    android:background="@drawable/gocbotron6">
                    <TextView
                        android:textColor="#99CCFF"
                        android:id="@+id/oneplay53"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textSize="25dp" />
                </LinearLayout>
            </LinearLayout>

        </LinearLayout>
    </LinearLayout>


        <LinearLayout
            android:layout_marginLeft="5dp"
            android:layout_marginRight="5dp"
            android:layout_width="match_parent"
            android:weightSum="4"
            android:layout_height="50dp">
            <LinearLayout
                android:padding="3dp"
                android:layout_width="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:textStyle="bold"
                    android:gravity="center"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="Hai người chơi"
                    android:textSize="15dp"/>
            </LinearLayout>
            <LinearLayout
                android:layout_width="0dp"
                android:layout_weight="3"
                android:gravity="center"
                android:background="@drawable/gocbotron6"
                android:layout_height="50dp">
                <TextView
                    android:textColor="#99CCFF"
                    android:id="@+id/hainguoichoi"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="25dp"/>
            </LinearLayout>
        </LinearLayout>




    </LinearLayout>
    <LinearLayout
        android:id="@+id/LNback"
        android:layout_width="match_parent"
        android:layout_marginBottom="20dp"
        android:layout_alignParentBottom="true"
        android:gravity="center"
        android:layout_height="wrap_content">
        <Button
            android:textStyle="bold"
            android:id="@+id/back"
            android:textColor="#fff"
            android:textSize="18dp"
            android:background="@drawable/gocbotronback"
            android:layout_marginLeft="15dp"
            android:layout_width="120dp"
            android:layout_height="50dp"
            android:text="Quay về"/>
    </LinearLayout>
</RelativeLayout>