@Override
public void onPause() {
super.onPause();
songDBIdsList.clear();
if (dbHelper != null) {
dbHelper.close();
dbHelper = null;
}
if (isFinishing()) {
if (SongsPickerFragment.cursor != null) {
SongsPickerFragment.cursor.close();
SongsPickerFragment.cursor = null;
}
if (AlbumsPickerFragment.cursor != null) {
AlbumsPickerFragment.cursor.close();
AlbumsPickerFragment.cursor = null;
}
if (ArtistsPickerFragment.cursor != null) {
ArtistsPickerFragment.cursor.close();
ArtistsPickerFragment.cursor = null;
}
}
}
public void createMusicLibrary() {
// We're done with the database helper, so go ahead and close it.
dbHelper.close();
dbHelper = null;
// Launch the AsyncTask that will create the new music library.
AsyncCreateMusicLibraryTask task =
new AsyncCreateMusicLibraryTask(this, this, songDBIdsList, libraryName, libraryIconName);
task.execute();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.select_all_music_library_editor:
/* DB IDs are sequential, so to save CPU cycles,
* we'll just get the size of the DB (the number of
* rows) and add that many entries to the HashSet.
*/
Cursor cursor = null;
if (dbHelper != null) {
cursor = dbHelper.getAllSongs();
}
int songCount = 0;
if (cursor != null) {
songCount = cursor.getCount();
} else {
Toast.makeText(mContext, R.string.no_songs_to_select, Toast.LENGTH_SHORT).show();
return true;
}
for (int i = 0; i < songCount + 1; i++) {
songDBIdsList.add("" + i);
}
// Refresh the current fragment's listview.
if (ArtistsPickerFragment.listView != null) {
ArtistsPickerFragment.listView.setAdapter(null);
ArtistsPickerFragment.listView.setAdapter(
new MusicLibraryEditorArtistsMultiselectAdapter(this, ArtistsPickerFragment.cursor));
ArtistsPickerFragment.listView.invalidate();
}
if (AlbumsPickerFragment.listView != null) {
AlbumsPickerFragment.listView.setAdapter(null);
AlbumsPickerFragment.listView.setAdapter(
new MusicLibraryEditorAlbumsMultiselectAdapter(this, AlbumsPickerFragment.cursor));
AlbumsPickerFragment.listView.invalidate();
}
if (SongsPickerFragment.listView != null) {
SongsPickerFragment.listView.setAdapter(null);
SongsPickerFragment.listView.setAdapter(
new MusicLibraryEditorSongsMultiselectAdapter(this, SongsPickerFragment.cursor));
SongsPickerFragment.listView.invalidate();
}
return true;
case R.id.done_music_library_editor:
createMusicLibrary();
return true;
default:
return super.onOptionsItemSelected(item);
}
}