Android onActivityResult-阿里云

Android startActivityForResult和onActivityResult的基本用法

方法的作用：startActivityForResult():该方法的工作原理与startActivity非常相似，但有一个重大的区别。除了传递用于确定启动哪个Activity的显式或隐式Intent外，还需要传入一个请求码，请求码将用于返回结果的子Activity的唯一标识。onActivityR...

Android onActivityResult()的属性与用法

onActivity的介绍：处理子Activity的结果，当子Activity关闭时，onActivityResult事件处理程序将在父级触发。可以通过重写该事件处理程序来处理子Activity的返回结果。@Override protected void onActivityResult(int r...

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【Android】startActivityForResult()与onActivityResult()与setResult()参数分析

一、使用场景　　在一个主界面(主Activity)通过意图跳转至多个不同子Activity上去，当子模块的代码执行完毕后再次返回主页面，将子activity中得到的数据显示在主界面/完成的数据交给主Activity处理。这种带数据的意图跳转需要使用activity的onActivityResult...

Android拍照onActivityResult的奇怪BUG

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Android拍照onActivityResult的BUG

这个BUG是一个很奇怪的问题，调用系统相机拍照（在别人的手机上还有美颜相机，美颜相机很容易出这个问题，系统相机不太容易出）第一次遇到这种特别奇葩的问题，完全跟踪不到，无论如何都没有任何错误输出，没有任何提示无征兆的闪退。具体就是传入一个指定文件作为拍照文件。如下： Intent intent =...

我的Android进阶之旅------>Android Activity的singleTask加载模式和onActivityResult方法之间的冲突

今天调试一个bug的时候，情景如下：一个Activity A，需要用startActivi...

Android的Fragment中onActivityResult不被调用的解决方案(绝对管用)

常见的，我们会在FragmentActivity中嵌套一层Fragment使用，甚至Fragment下层层嵌套使用。这个时候，在第二级或者更深级别的Fragment将无法收到onActivityResult回调，查看FragementActivity的源码发现： public void startA...

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更新时间 2023-08-16 06:36:03

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