<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
            ...
            android:id="@+id/layout"
            android:onClick="doStuff">

            <TextView
                    ...
                    android:id="@+id/hello_world"
                    android:textSize="52dp"
                    android:onClick="doStuff" />

    </RelativeLayout>

public class TestActivity extends ActionBarActivity {

            @Override
            protected void onCreate(Bundle savedInstanceState) {
                    super.onCreate(savedInstanceState);
                    setContentView(R.layout.activity_test);

                    TextView view = (TextView) findViewById(R.id.hello_world);
                    doStuff(view);
                    Log.d("onCreate", "testing " + view.getId());
            }

            public void doStuff(TextView textView) {
                    Log.d("test", "text " + textView.getId() + " " + R.id.hello_world);
            }

            public void doStuff(View view) {
                    Log.d("test", "view " + view.getId() + " " + R.id.layout);
            }
    }