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Persist library dialog state between invocations

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This commit is contained in:
doompadee 2017-12-29 17:34:13 +01:00
commit 2daf5f3c4f
2 changed files with 41 additions and 2 deletions
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12
app/src/main/java/com/kabouzeid/gramophone/preferences/LibraryPreferenceDialog.java
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@ -22,12 +22,16 @@ public class LibraryPreferenceDialog extends DialogFragment {
return new LibraryPreferenceDialog();
}
private CategoryInfoAdapter adapter;
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
View view = getActivity().getLayoutInflater().inflate(R.layout.preference_dialog_library_categories, null);
CategoryInfoAdapter adapter = new CategoryInfoAdapter(PreferenceUtil.getInstance(getContext()).getLibraryCategoryInfos());
adapter = new CategoryInfoAdapter(savedInstanceState != null ?
savedInstanceState.getParcelableArrayList(PreferenceUtil.LIBRARY_CATEGORIES) :
PreferenceUtil.getInstance(getContext()).getLibraryCategoryInfos());
RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
@ -51,6 +55,12 @@ public class LibraryPreferenceDialog extends DialogFragment {
.build();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelableArrayList(PreferenceUtil.LIBRARY_CATEGORIES, adapter.getCategoryInfos());
}
private void updateCategories(ArrayList<CategoryInfo> categories) {
if (getSelected(categories) == 0) return;