当我们调用startActivityForResult()方法来跳转页面的时候需要重写onActivityResult方法,不然就和startActivity没什么两样,这个demo就是简单说明调用时间。流程如下:MainActivity::onCreate MainActivity::onStart MainActivity::onResume Activity1::onCreate MainActivity::onStop Activity1::setResult MainActivity::onActivityResult MainActivity::onRestart MainActi