Created
February 6, 2019 13:25
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import android.os.Bundle; | |
import com.arellomobile.mvp.MvpDelegate; | |
import com.google.android.material.bottomsheet.BottomSheetDialogFragment; | |
import androidx.fragment.app.Fragment; | |
public class MvpBottomSheetDialogFragment extends BottomSheetDialogFragment { | |
private boolean mIsStateSaved; | |
private MvpDelegate<? extends MvpBottomSheetDialogFragment> mMvpDelegate; | |
public void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
getMvpDelegate().onCreate(savedInstanceState); | |
} | |
public void onResume() { | |
super.onResume(); | |
mIsStateSaved = false; | |
getMvpDelegate().onAttach(); | |
} | |
public void onSaveInstanceState(Bundle outState) { | |
super.onSaveInstanceState(outState); | |
mIsStateSaved = true; | |
getMvpDelegate().onSaveInstanceState(outState); | |
getMvpDelegate().onDetach(); | |
} | |
@Override | |
public void onStop() { | |
super.onStop(); | |
getMvpDelegate().onDetach(); | |
} | |
@Override | |
public void onDestroyView() { | |
super.onDestroyView(); | |
getMvpDelegate().onDetach(); | |
getMvpDelegate().onDestroyView(); | |
} | |
@Override | |
public void onDestroy() { | |
super.onDestroy(); | |
//We leave the screen and respectively all fragments will be destroyed | |
if (getActivity().isFinishing()) { | |
getMvpDelegate().onDestroy(); | |
return; | |
} | |
// When we rotate device isRemoving() return true for fragment placed in backstack | |
// http://stackoverflow.com/questions/34649126/fragment-back-stack-and-isremoving | |
if (mIsStateSaved) { | |
mIsStateSaved = false; | |
return; | |
} | |
// See https://github.com/Arello-Mobile/Moxy/issues/24 | |
boolean anyParentIsRemoving = false; | |
Fragment parent = getParentFragment(); | |
while (!anyParentIsRemoving && parent != null) { | |
anyParentIsRemoving = parent.isRemoving(); | |
parent = parent.getParentFragment(); | |
} | |
if (isRemoving() || anyParentIsRemoving) { | |
getMvpDelegate().onDestroy(); | |
} | |
} | |
/** | |
* @return The {@link MvpDelegate} being used by this Fragment. | |
*/ | |
public MvpDelegate getMvpDelegate() { | |
if (mMvpDelegate == null) { | |
mMvpDelegate = new MvpDelegate<>(this); | |
} | |
return mMvpDelegate; | |
} | |
} |
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