public class MainActivity extends AppCompatActivity {
    Button b1;
    TextView t;
    int count=0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        b1=(Button)findViewById(R.id.button);
        t=(TextView)findViewById(R.id.text);
        b1.OnClickListener(new View.OnClickListener())

    }