NettetstartActivityForResult ()方法是一个异步的方法,也就是说,在主线程调用该方法后会立即返回,新的Activity会在一个新的线程中运行,当新的Activity关闭后,系统会回 … Nettet//FragmentActivity.class @Override public void startActivityForResult(Intent intent, int requestCode) { // If this was started from a Fragment we've already checked the upper 16 bits were not in // use, and then repurposed them for the Fragment's index. if ...
startActivityForResult()的替代registerForActivityResult拍照以及图 …
Nettet我在Logcat中收到一个intent交付错误,当我调用这个函数时,app意外停止;Android:传递结果失败ResultInfo {who = null,request = 1,result = -1,data = Intent. startActivityForResult(new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI), 1); 或这个事情; Nettet1. jul. 2024 · I want to prompt the user to select one account and i will get the email address but i cant start an activity. so, i add an event handler to catch the … hanging upside down hair growth
How to call startActivityForResult inside onActivityResult?
Nettet11. jun. 2016 · startActivityForResult (intent, REQUEST_CODE); simply create your activity with a list of items (recyclerview?) then to start it in order to get the results back, … Nettet14. mar. 2024 · `startActivityForResult()` 方法用于启动一个新的 Activity,并在返回结果时进行回调。 使用方法: 1. 在调用 `startActivityForResult()` 方法时,需要传入两个 … Nettet11. feb. 2024 · 1、startActivityForResult的第二个参数requestCode传的是0,那么我们分别看下传递的值小于0和大于0是什么结果: 传一个小于0的值,比如-1:等同于调用 startActivity,onActivityResult不会被调用 传一个大于0的值,比如1:效果等同于传0,onActivityResult的第一个参数正是我们通过startActivityForResult传递 … hanging tree song 1 hour