MainActivity.java 文件源码

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    Drawable drawable = item.getIcon();
    if (drawable instanceof Animatable) {
        ((Animatable) drawable).start();
    }
    switch (item.getItemId()) {
        case R.id.action_cut:
            return true;
        case R.id.action_copy:
            return true;
        case R.id.action_share:
            return true;
        case R.id.action_delete:
            return true;
        default:
            return super.onOptionsItemSelected(item);
    }
}