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AntennaPod
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Code Issues Packages Projects Releases Wiki Activity

now persisting the scroll position for New Episodes

This commit is contained in:
Tom Hennen 2015-04-05 16:52:51 -04:00
parent 4013707f96
commit 2a5c7e0454
1 changed files with 33 additions and 1 deletions
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34
app/src/main/java/de/danoeh/antennapod/fragment/NewEpisodesFragment.java
View File

@ -64,7 +64,8 @@ public class NewEpisodesFragment extends Fragment {
private static final int RECENT_EPISODES_LIMIT = 150;
private static final String PREF_NAME = "PrefNewEpisodesFragment";
private static final String PREF_EPISODE_FILTER_BOOL = "newEpisodeFilterEnabled";
private static final String PREF_KEY_LIST_TOP = "list_top";
private static final String PREF_KEY_LIST_SELECTION = "list_selection";
private DragSortListView listView;
private NewEpisodesListAdapter listAdapter;
@ -117,6 +118,12 @@ public class NewEpisodesFragment extends Fragment {
}
}
@Override
public void onPause() {
super.onPause();
saveScrollPosition();
}
@Override
public void onStop() {
super.onStop();
@ -136,6 +143,30 @@ public class NewEpisodesFragment extends Fragment {
resetViewState();
}
private void saveScrollPosition() {
SharedPreferences prefs = getActivity().getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
View v = listView.getChildAt(0);
int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
editor.putInt(PREF_KEY_LIST_SELECTION, listView.getFirstVisiblePosition());
editor.putInt(PREF_KEY_LIST_TOP, top);
editor.commit();
}
private void restoreScrollPosition() {
SharedPreferences prefs = getActivity().getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
int listSelection = prefs.getInt(PREF_KEY_LIST_SELECTION, 0);
int top = prefs.getInt(PREF_KEY_LIST_TOP, 0);
if(listSelection > 0 || top > 0) {
listView.setSelectionFromTop(listSelection, top);
// restore once, then forget
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(PREF_KEY_LIST_SELECTION, 0);
editor.putInt(PREF_KEY_LIST_TOP, 0);
editor.commit();
}
}
private void resetViewState() {
listAdapter = null;
activity.set(null);
@ -302,6 +333,7 @@ public class NewEpisodesFragment extends Fragment {
downloadObserver.onResume();
}
listAdapter.notifyDataSetChanged();
restoreScrollPosition();
getActivity().supportInvalidateOptionsMenu();
updateShowOnlyEpisodesListViewState();
}