public void update(final ArrayList<ArrayList<Lyrics>> results) {
if (getView() == null) return;
int index = megaListView.getFirstVisiblePosition();
View v = megaListView.getChildAt(0);
int top = (v == null) ? 0 : (v.getTop() - megaListView.getPaddingTop());
lyricsArray = results;
megaListView.setAdapter(new LocalAdapter(getActivity(), results, mTouchListener, megaListView));
megaListView.setEmptyView(
((ViewGroup) getView().findViewById(R.id.local_empty_database_textview).getParent()));
getListView().setSelectionFromTop(index, top);
setListShown(true);
}
@Override
public void onActivityCreated(Bundle onSavedInstanceState) {
super.onActivityCreated(onSavedInstanceState);
if (megaListView != null) {
View fragmentView = getView();
TypedValue typedValue = new TypedValue();
getActivity().getTheme().resolveAttribute(android.R.attr.colorBackground, typedValue, true);
if (fragmentView != null) fragmentView.setBackgroundColor(typedValue.data);
megaListView.setDividerHeight(0);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
megaListView.setSelector(R.drawable.abc_list_selector_disabled_holo_dark);
megaListView.setFastScrollEnabled(true);
megaListView.setDrawSelectorOnTop(true);
}
}
public void setListShown(final boolean visible) {
final Animation fadeIn = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in);
final Animation fadeOut = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_out);
Animation.AnimationListener listener =
new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {}
@Override
public void onAnimationEnd(Animation animation) {
progressBar.setVisibility(visible ? View.GONE : View.VISIBLE);
megaListView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
}
@Override
public void onAnimationRepeat(Animation animation) {}
};
fadeIn.setAnimationListener(listener);
fadeOut.setAnimationListener(listener);
progressBar.startAnimation(visible ? fadeOut : fadeIn);
megaListView.startAnimation(visible ? fadeIn : fadeOut);
}
public ExpandableListAdapter getExpandableListAdapter() {
return megaListView.getExpandableListAdapter();
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
final MainActivity mainActivity = ((MainActivity) this.getActivity());
super.onViewCreated(view, savedInstanceState);
if (this.isHidden()) return;
DrawerAdapter drawerAdapter =
((DrawerAdapter) ((ListView) mainActivity.findViewById(R.id.drawer_list)).getAdapter());
if (drawerAdapter.getSelectedItem() != 1) {
drawerAdapter.setSelectedItem(1);
drawerAdapter.notifyDataSetChanged();
}
megaListView.setOnGroupClickListener(
new ExpandableListView.OnGroupClickListener() {
@Override
public boolean onGroupClick(
ExpandableListView parent, View v, int groupPosition, long id) {
final ImageView indicator = (ImageView) v.findViewById(R.id.group_indicator);
RotateAnimation anim;
if (megaListView.isGroupExpanded(groupPosition)) {
megaListView.collapseGroupWithAnimation(groupPosition);
if (indicator != null) {
anim =
new RotateAnimation(
180f, 360f, indicator.getWidth() / 2, indicator.getHeight() / 2);
anim.setInterpolator(new DecelerateInterpolator(3));
anim.setDuration(500);
anim.setFillAfter(true);
indicator.startAnimation(anim);
}
} else {
megaListView.expandGroupWithAnimation(groupPosition);
if (indicator != null) {
anim =
new RotateAnimation(
0f, 180f, indicator.getWidth() / 2, indicator.getHeight() / 2);
anim.setInterpolator(new DecelerateInterpolator(2));
anim.setDuration(500);
anim.setFillAfter(true);
indicator.startAnimation(anim);
}
}
return true;
}
});
megaListView.setOnChildClickListener(
new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(
ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
if (mSwiping) {
mSwiping = false;
return false;
}
final MainActivity mainActivity = (MainActivity) getActivity();
megaListView.setOnChildClickListener(null); // prevents bug on double tap
mainActivity.updateLyricsFragment(
R.animator.slide_out_start,
R.animator.slide_in_start,
true,
lyricsArray.get(groupPosition).get(childPosition));
return true;
}
});
this.isActiveFragment = true;
new DBContentLister(this).execute();
}