using common Layout and its event in all activities

Question

I have one common layout that has four button at top bar and i am using this layout in all activities by including that common layout in all activities layout by

Answer 1

You should be able to use basic OOP strategies like you said. Create a parent activity that handles the onClick events. Then all your activities should extend that parent. They will automatically have access to the onClick events as long as the methods are not private.

If you need to do different things onClicks in each activity, it might be worth approaching this differently, and or using a call back style. Example of the basic structure:

public class ParentActivity extends Activity {
    public void onMyButtonClick(View v) {
        // do your thing
    }
}

public class ChildActivity extends ParentActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // your activity
    }
}