public boolean executeKeyEvent(KeyEvent event) {
boolean handled = false;
if (event.getAction() == KeyEvent.ACTION_DOWN) {
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (movePrevious()) {
setChildSelections();
}
handled = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (moveNext()) {
setChildSelections();
}
handled = true;
break;
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
mReceivedInvokeKeyDown = true;
if (this.changeListener != null) {
View child = getChildAt(mSelectedIndex);
Object obj = itemList.getItem(mSelectedIndex);
changeListener.onItemSelected(obj, mSelectedIndex, child);
}
handled = true;
break;
}
}
return handled;
}
private void notifyFocusChanged(int index, boolean hasFocus) {
if (this.changeListener != null) {
View child = getChildAt(index);
changeListener.onFocusChanged(child, hasFocus);
}
}
private void notifySelectionChanged(int index, boolean selected) {
View child = getChildAt(index);
if (this.changeListener != null) {
changeListener.onSelectionChanged(itemList, index, child, selected);
}
}