public class MainActivity extends Activity {

public Button bt1,bt2;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        bt1=(Button) findViewById(R.id.button1);

        bt2=(Button) findViewById(R.id.button2);

        bt1.setOnClickListener(new MyOnClickListener(){

        @Override

        public void onClick(View v) {

        // TODO Auto-generated method stub

        super.onClick(v);

        Toast.makeText(MainActivity.this, "bt1要执行逻辑", 1).show();

        }

        });

    }

}

class MyOnClickListener implements android.view.View.OnClickListener{

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

Log.i("tag","父类的onClick执行");

}

}

}

class MyOnClickListener implements android.view.View.OnClickListener{

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

System.out.println("父类执行了！");

}

}