@Override
public void addTextChangedListener(TextWatcher watcher) {
// Some flavors of Android call addTextChangedListener in the constructor, so add a
// null check to mTextWatchers
if (watcher.equals(mTextWatcher) || mTextWatchers == null) {
super.addTextChangedListener(watcher);
} else {
mTextWatchers.add(watcher);
}
}
