btnBall01.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    count1++;
                    selectedNumber++;
                    games.setBallId(btnBall01.getId());
                    btnBall01.setBackgroundResource(R.mipmap.ball_verde);
                    games.setActualNumber(btnBall01.getText().toString());
                    Toast.makeText(ActivityMegasenaCreateGame.this, "Verde " + games.getActualNumber(), Toast.LENGTH_SHORT).show();

                    if (count1 != 1){
                        count1 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall01.setBackgroundResource(R.mipmap.ball);
                         Toast.makeText(ActivityMegasenaCreateGame.this, "Branco " + games.getActualNumber(), Toast.LENGTH_SHORT).show();
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall02.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    btnBall02.setBackgroundResource(R.mipmap.ball_verde);
                    count2++;
                    selectedNumber++;
                    games.setBallId(btnBall02.getId());
                    games.setActualNumber(btnBall02.getText().toString());

                    if (count2 != 1){
                        count2 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall02.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall03.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall03.setBackgroundResource(R.mipmap.ball_verde);
                    count3++;
                    selectedNumber++;
                    games.setBallId(btnBall03.getId());
                    games.setActualNumber(btnBall03.getText().toString());

                    if (count3 !=1){
                        count3 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall03.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall04.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall04.setBackgroundResource(R.mipmap.ball_verde);
                    count4++;
                    selectedNumber++;
                    games.setBallId(btnBall04.getId());
                    games.setActualNumber(btnBall04.getText().toString());

                    if (count4 != 1){
                        count4 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall04.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }

                }
            });

            btnBall05.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall05.setBackgroundResource(R.mipmap.ball_verde);
                    count5++;
                    selectedNumber++;
                    games.setBallId(btnBall05.getId());
                    games.setActualNumber(btnBall05.getText().toString());

                    if (count5 != 1){
                        count5 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall05.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall06.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall06.setBackgroundResource(R.mipmap.ball_verde);
                    count6++;
                    selectedNumber++;
                    games.setBallId(btnBall06.getId());
                    games.setActualNumber(btnBall06.getText().toString());

                    if (count6 != 1){
                        count6 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall06.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall07.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall07.setBackgroundResource(R.mipmap.ball_verde);
                    count7++;
                    selectedNumber++;
                    games.setBallId(btnBall07.getId());
                    games.setActualNumber(btnBall07.getText().toString());

                    if (count7 != 1){
                        count7 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall07.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall08.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall08.setBackgroundResource(R.mipmap.ball_verde);
                    count8++;
                    selectedNumber++;
                    games.setBallId(btnBall08.getId());
                    games.setActualNumber(btnBall08.getText().toString());

                    if (count8 != 1){
                        count8 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall08.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall09.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall09.setBackgroundResource(R.mipmap.ball_verde);
                    count9++;
                    selectedNumber++;
                    games.setBallId(btnBall09.getId());
                    games.setActualNumber(btnBall09.getText().toString());

                    if (count9 != 1){
                        count9 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall09.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall10.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall10.setBackgroundResource(R.mipmap.ball_verde);
                    count10++;
                    selectedNumber++;
                    games.setBallId(btnBall10.getId());
                    games.setActualNumber(btnBall10.getText().toString());

                    if (count10 != 1){
                        count10 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall10.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall11.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall11.setBackgroundResource(R.mipmap.ball_verde);
                    count11++;
                    selectedNumber++;
                    games.setBallId(btnBall11.getId());
                    games.setActualNumber(btnBall11.getText().toString());

                    if (count11 != 1){
                        count11 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall11.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall12.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall12.setBackgroundResource(R.mipmap.ball_verde);
                    count12++;
                    selectedNumber++;
                    games.setBallId(btnBall12.getId());
                    games.setActualNumber(btnBall12.getText().toString());

                    if(count12 != 1){
                        count12 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall12.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall13.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall13.setBackgroundResource(R.mipmap.ball_verde);
                    count13++;
                    selectedNumber++;
                    games.setBallId(btnBall13.getId());
                    games.setActualNumber(btnBall13.getText().toString());

                    if(count13 != 1){
                        count13 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall13.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

            btnBall14.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    btnBall14.setBackgroundResource(R.mipmap.ball_verde);
                    count14++;
                    selectedNumber++;
                    games.setBallId(btnBall14.getId());
                    games.setActualNumber(btnBall14.getText().toString());

                    if (count14 != 1){
                        count14 = 0;
                        selectedNumber = selectedNumber -2;
                        btnBall14.setBackgroundResource(R.mipmap.ball);
                        initializeComponentsBallsButtons();
                    }
                }
            });

public void nomeMetodo(View button)

android:onClick="nomeMetodo"

android:tag="0"

String tag = (String)button.getTag();

public int meuMetodo(int parametro){
  int numero=2;
  int resultado=numero+parametro;
  return resultado;
}