当点击从 WorkManager 发送的通知时，使用导航组件启动特定的 Fragment

Question

我正在根据使用 BroadcastReceiver 启动的Worker的条件向用户发送每日通知。从Worker我只需要context发送通知。

NotificationCompat.Builder(context, CHANNEL_ID).apply {
    setContentTitle(...)
    setContentText(...)
    setContentIntent(pendingIntent(context)) 
}.build()

如何PendingIntent使用导航组件创建启动特定片段？

我试过这个：

fun pendingIntent(context: Context): PendingIntent {
    val navController = NavController(context.applicationContext)
    navController.setGraph(R.navigation.your_navigation)
    return navController.createDeepLink()
        .setDestination(R.id.yourFragment)
        .createPendingIntent()
}

但我得到以下例外：

Caused by: java.lang.RuntimeException: Exception inflating package.name:navigation/your_navigation line 7
        at androidx.navigation.NavInflater.inflate(NavInflater.java:90)
        at androidx.navigation.NavController.setGraph(NavController.java:425)
        at androidx.navigation.NavController.setGraph(NavController.java:407)
        at 
        ......
        at package.name.Worker.doWork(Worker.kt:15)
        at androidx.work.Worker$1.run(Worker.java:85)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 
        at java.lang.Thread.run(Thread.java:761) 
Caused by: java.lang.IllegalStateException: Could not find Navigator with name "fragment". You must call NavController.addNavigator() for each navigation type.
        at androidx.navigation.NavigatorProvider.getNavigator(NavigatorProvider.java:98)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:100)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:132)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:81)
        at androidx.navigation.NavController.setGraph(NavController.java:425) 
        at androidx.navigation.NavController.setGraph(NavController.java:407) 
        at package.name.NotificationKt.pendingIntent(Notification.kt:57) 
        at package.name.buildNotificationFor(Notification.kt:50) 
        at package.name.showNotificationFor(Notification.kt:22) 
        at package.name.doWork(Worker.kt:15) 
        at androidx.work.Worker$1.run(Worker.java:85) 

Answer 1

根据创建显式深层链接文档，您应该使用NavDeepLinkBuilder该类：

fun pendingIntent(context: Context): PendingIntent {
    return NavDeepLinkBuilder(context)
       .setGraph(R.navigation.your_navigation)
       .setDestination(R.id.android)
       .createPendingIntent()
}