简介: android开发,使用kotlin学习BroadcastReceiver 一、动态注册和静态注册 动态注册:在代码中注册 动态注册能监听到大部分的系统广播和自定义的广播(都为隐式广播) 步骤 1.新建一个Broadcast Receiver的子类,重写onReceiver方法,当接收到广播时,会执行onReceiver方法里面的内容。 2.调用registerRecevier方法注册,将...
class MyReceiver : BroadcastReceiver() {override fun onReceive(context: Context, intent: Intent) {Toast.makeText(context,"MyReceiver",Toast.LENGTH_SHORT).show()abortBroadcast()}} class MyReceiver2 : BroadcastReceiver() {override fun onReceive(context: Context, intent: Intent) {Toast.makeText(co...
接下来创建了一个TimeChangeReceiver的实例,然后调用registerReceiver()方法进行注册,将TimeChangeReceiver的实例和IntentFilter的实例都传了进去,这样TimeChangeReceiver就会收到所有值为android.intent.action.TIME_TICK的广播,也就实现了监听系统时间变化的功能。 动态注册的BroadcastReceiver一定要取消注册才行,一般会选择在on...
android:name=".broadcast.OtherReceiver"android:enabled="true"android:exported="true"><intent-filter android:priority="100"><action android:name="com.test.kotlin_test.MY_RECEIVER"/></intent-filter></receiver> 在intent-filter中可以配置priority 这个是广播接收者的优先级,默认是0,值越大优先级越高,...
Li**ke 上传78KB 文件格式 zip android kotlin application library observer-pattern 一个简单的Android广播接收器库。 介绍 该库旨在使用“观察者”设计模式处理所有广播接收器操作,以保持更新所有广播侦听器。 例如,通过使用此库,无论您在应用程序中的哪个位置,都可以跟踪应用程序网络状态。 只需将NetworkReceiver...
Whenever you want to know about system wide events you need to implement and register a BroadcastReceiver. From then on your receiver gets notifications whenever the system event, for which it is registered, occurs. BroadcastReceivers are one of Android'
为了解决在BroadcastReceiver里弹出AlertDialog这个问题,我们可以这样做: 方案一 将Dialog的窗口类型设置为TYPE_SYSTEM_ALERT AlertDialog alertDialog=newAlertDialog.Builder(context).create(); alertDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); ...
LocalBroadcastManager.getInstance(applicationContext).registerReceiver(mLocalBroadcastReceiver, getLocalIntent...
看起来像是一些bug，我认为它应该出现在Kotlin问题跟踪器上，但我想您现在可以通过将接收方定义为一个类来修复它：今天
androidkotlintimerkotlin-androidandroid-applicationalarmmanagerbroadcast-recieverandroidstudioalarmmanager-intent-handler-threadbroadcastreceiveralarm-manager UpdatedMay 29, 2020 Kotlin This repo contains implementation of various Broadcast Receiver(like Screen On/Off, Device lock/unlock, Headphone plugged in/out,...