Button click using ClickListener

activity_my.xml

<Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/abc_action_bar_home_description"
        />

MyActivity.java

public class MyActivity extends ActionBarActivity implements View.OnClickListener{
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //Log.d("SOMU","On Create called");
        setContentView(R.layout.activity_my);
        one = (Button) findViewById(R.id.button1);
        one.setOnClickListener(this);
    }
}