private void clearResults() {
if (adapter != null) {
boolean wasSelection = !selectionStrategy.isEmpty();
boolean wasData = !adapter.isEmpty();
loadingStrategy.clearResults();
selectionStrategy.clear();
adapter.notifyDataSetChanged();
// Tell anyone who cares the data and selection has changed, if they have.
if (wasData && onDataChangedListener != null) {
onDataChangedListener.onDataChanged(PickerFragment.this);
}
if (wasSelection && onSelectionChangedListener != null) {
onSelectionChangedListener.onSelectionChanged(PickerFragment.this);
}
}
}
public boolean isDataPresentOrLoading() {
return !adapter.isEmpty() || loader.isLoading();
}
void layoutActivityCircle() {
// If we've got no data, make the activity circle full-opacity. Otherwise we'll dim it to avoid
// cluttering the UI.
float alpha = (!adapter.isEmpty()) ? .25f : 1.0f;
setAlpha(activityCircle, alpha);
}
