public void init(Cursor c) {
if (mAdapterDestroyed) return;
mAdapter.changeCursor(c);
if (mQueryCursor == null) {
MusicUtils.displayDatabaseError(this);
setListAdapter(null);
mReScanHandler.sendEmptyMessageDelayed(0, 1000);
return;
}
MusicUtils.hideDatabaseError(this);
}
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
if (cursor != null) {
if (!isFinishing()) {
/// M: when media file be empty,show the empty view
MusicUtils.emptyShow(getListView(), MusicPicker.this);
/// M: Only when there exist audio and has one selected by user, we need to enable ok
// button.
/// if user delete the last select audio, we need to check whether it exist.
mOkayButton.setEnabled(
cursor.getCount() > 0
&& RingtoneManager.isRingtoneExist(getApplicationContext(), mSelectedUri));
// Update the adapter: we are no longer loading, and have
// a new cursor for it.
mAdapter.setLoading(false);
mAdapter.changeCursor(cursor);
/// M: when listview has item showed ,let the ProgressBar@{
if (getListView().getCount() != 0) {
setProgressBarIndeterminateVisibility(false);
}
/// @}
// Now that the cursor is populated again, it's possible to
// restore the list state
if (mListState != null) {
getListView().onRestoreInstanceState(mListState);
if (mListHasFocus) {
getListView().requestFocus();
}
mListHasFocus = false;
mListState = null;
}
/// M: when query out audios, hide error ui.
MusicUtils.hideDatabaseError(MusicPicker.this);
MusicPicker.this.setTitle(R.string.music_picker_title);
} else {
cursor.close();
}
} else {
/// M: When can not query out result, show error to notify user.
mOkayButton.setEnabled(false);
MusicUtils.resetSdStatus();
MusicUtils.displayDatabaseError(MusicPicker.this, false);
}
}
