愿能变得美好的博客您只需执行以下操作即可轻松地从Activity中的任何Fragment调用方法:((MainActivity)getActivity()).startChronometer();希望这可以帮助!首先初始化它MainActivity mActivity= new MainActivity();然后你可以继续...
weixin_39860732的博客How do I call the method startChronometer in another class when the method is declared inside the main ...Inside MainActivity:public void startChronometer() {mChronometer.start();showElapsedTime...