Callback after orientation change becomes null

Question

I have have a `FragmentActivity` with two tabs which are `ListFragment`s. Each `ListFragment` has a callback. An example of a callback The callback is associated inside of the onAttach(...) method ``` OnStatusUpdateListener mStatusUpdateCallback; public interface OnStatusUpdateListener { public void onStatusUpdate(); } @Override public void onAttach(Activity activity) { Log.d(TAG, "onAttach"); super.onAttach(activity); try { mStatusUpdateCallback = (OnStatusUpdateListener)activity; } catch (ClassCastException e) { throw new ClassCastException(activity.toString() + " must implement OnStatusUpdateListener"); } } @Override public void onCreate(Bundle savedInstanceState) { Log.d(TAG, "onCreate"); super.onCreate(savedInstanceState); setRetainInstance(true); } ``` Later on, I communicate with the `FragmentActivity` by this callback which works fine normally. Within the `ListFragment`, I have an `ImageButton` that will call a `DialogFragment` which also has a callback. This callback is imple…

Accepted Answer

When configuration of the `Activity` being destroy and recreates.

When `Configuration` of the phone is changed the method `onConfigurationChange` called.

So you can initialize your `Callbacks` in `onConfigurationChange`

Callback after orientation change becomes null

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