<receiverandroid:enabled=["true" | "false"]//此broadcastReceiver能否接收其他App的发出的广播//默认值是由receiver中有无intent-filter决定的:如果有intent-filter,默认值为true,否则为falseandroid:exported=["true" | "false"]android:icon="drawa...
android:name="com.jinhoward.broadcast.activity.MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <receiver android:name="com.jinhoward...
<receiverandroid:name="广播接收器的全路径名"android:exported(optional)="是否接收外部广播,如果为 false,则不接收外部广播,其他 app 无法向你的 APP 发送广播,在安全性上有甚好的实践。"><intent-filter><actionandroid:name="com.example.myproject.intent.action.ACTION_SHOW_TOAST"/></intent-filter></rece...
1.右击java文件夹,new->other->Broadcast Receiver后会在AndroidManifest.xml文件中生成一个receiver项 <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.shiyanshi.learnbroadcast" > <application android:allowBackup="true"...
<receiverandroid:name=".StaticReceiver"android:enabled="true"android:exported="true"><intent-filter><actionandroid:name="com.xfhy.staticreceiver"/></intent-filter></receiver> 如果是动态注册,那么需要注册和解注册. //注册valintentFilter=IntentFilter()registerReceiver(myBroadcast,intentFilter)//解注册unr...
Broadcast Receiver是Android的一种“广播发布/消息接收”机制,或者说的更准确一些,是一种“监听”机制。作为广播发布者的应用程序,可以在不知道谁(如果有的话)将接收这个广播消息的情况下发出一个广播消息(广播的消息实际上就是一个Intent对象)。而消息接收者可以指定自己将接收哪些消息(通过使用intent-filter),如果出...
The broadcast receiver is a subclass of the BroadcastReceiver type and it must override the OnReceive method. Android will execute OnReceive on the main thread, so this method should be designed to execute quickly. Care should be taken when spawning threads in OnReceive because Android may ...
android:process:broadcastReceiver运行所处的进程。默认为App的进程。可以指定独立的进程(Android四大组件都可以通过此属性指定自己的独立进程); 三、动态注册与静态注册的区别 (1)静态注册即使app退出了,仍然能接收到广播; (2)动态注册app退出了,或者当activity退出了,就接收不到广播了; ...
5importandroid.content.BroadcastReceiver; 6importandroid.os.Bundle;/*调用闹钟Alert的Receiver*/ 7 8publicclassCallAlarmextendsBroadcastReceiver 9{ 10@Override 11publicvoidonReceive(Contextcontext,Intentintent) 12{/*createIntent,调用AlarmAlert.class*/ ...
一、BroadcastReceiver是什么 BroadcastReceiver是四大组件之一,Android广播分为两个方面:广播发送者和广播接收者,通常情况下,Broad...