java 更改硬件菜单按钮的行为，以显示/隐藏工具栏溢出菜单 - 来自http://stackoverflow.com/qu

Posted 2021-05-08

@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
    
    if (keyCode == KeyEvent.KEYCODE_MENU) {
        
        if (mToolbar.isOverflowMenuShowing()) {
            
            mToolbar.hideOverflowMenu();
        } 
        else {
            mToolbar.showOverflowMenu();
        }
        
        return true;
    }
    
    return super.onKeyUp(keyCode, event);
}