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[Android 四大组件] --- BroadcastReceiver

1 BroadcastReceiver是什么 BroadcastReceiver（广播接收器）即广播，是一个全局的监听器。 Android 广播分为两个角色：广播发送者、广播接受者。 2 广播类型广播按照类型分为两种，一种是全局广播，另一种是本地广播全局广播：就是发出的广播被其他任意应用程序接收...

Android四大组件-BroadcastReceiver

BroadcastReceiver（广播接收器），属于 Android 四大组件之一1.定义广播，是一个全局的监听器，属于Android四大组件之一2.作用监听/接收App发出的广播消息，并做出响应3.使用流程3.1 自定义广播接收者BroadcastReceiver1、继承BroadcastRec...

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Android四大组件之BroadcastReceiver（四）

上一篇讲到了广播的安全性隐患问题，有兴趣可通过下面链接去学习 https://developer.aliyun.com/article/995233?spm=a2c6h.13148508.setting.14.41004f0ejEnOao既然存在安全性隐患，那就要去解决，如何解决呢？下面从两个方面来...

Android四大组件之BroadcastReceiver（三）

上一篇讲了如何动态注册广播、如何静态注册广播，以及两者之间的区别，文章链接如下：https://developer.aliyun.com/article/995230?spm=a2c6h.13148508.setting.14.41004f0eRPHDsB接下来讲一下有序广播中对广播的拦截、有序广播...

Android四大组件之BroadcastReceiver（二）

上一篇讲了BroadcastReceiver的分类，链接如下，可以前去学习https://developer.aliyun.com/article/995229接下来讲 BroadcastReceiver的使用，主要讲如何动态注册广播，如何静态注册广播，已经两者之间的区别。一、动态注册（1）实现一个...

Android四大组件之BroadcastReceiver（一）

BroadcastReceiver是Android四大组件之一，在app开发中被广泛应用到，那什么是广播呢？官方的解释如下：Android 应用与 Android 系统和其他 Android 应用之间可以相互收发广播消息，这与发布-订阅设计模式相似。这些广播会在所关注的事件发生时发送。举例来说，An...

Android 四大组件之一：BroadCastReceiver动态注册广播流程

动态注册广播流程动态注册广播流程广播发送流程动态注册广播流程1.在Activity中动态注册广播时，调用registerReceiver方法,会调用到ContextWrapper的registerReceiver方法：2.这个方法内部，mBase其实就是一个ContextImpl类型的对象，所以会执...

Android实训案例（六）——四大组件之一BroadcastReceiver的基本使用，拨号，短信，SD卡，开机，应用安装卸载监听

Android实训案例（六）——四大组件之一BroadcastReceiver的基本使用，拨号，短信，SD卡，开机，应用安装卸载监听 Android中四大组件的使用时重中之重，我这个阶段也不奢望能把他所有的原理搞懂，但是最起码的，我要把他的各种使用方法了如指掌才行 BroadcastReceiver...

Android学习之四大组件（四）——BroadcastReceiver

1.系统广播 BroadcastReceiver是一种负责接收广播消息并对消息做出响应的组件，它和Service一样，并不提供与用户交互的UI界面。在Android系统中存在许多标准的广播动作，其中常见的有以下一些：（1）Intent.ACTION_CAMERA_BUTTON; //按下拍照按键...

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