LibreTube/app/src/main/java/com/github/libretube/MyApp.kt

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Kotlin
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package com.github.libretube
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import android.app.Application
import android.app.NotificationChannel
import android.app.NotificationManager
import android.os.Build
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import android.os.StrictMode
import android.os.StrictMode.VmPolicy
import com.github.libretube.preferences.PreferenceHelper
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import com.github.libretube.util.NotificationHelper
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class MyApp : Application() {
override fun onCreate() {
super.onCreate()
/**
* initialize the needed [NotificationChannel]s for DownloadService and BackgroundMode
*/
initializeNotificationChannels()
/**
* set the applicationContext as context for the [PreferenceHelper]
*/
PreferenceHelper.setContext(applicationContext)
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/**
* bypassing fileUriExposedException, see https://stackoverflow.com/questions/38200282/android-os-fileuriexposedexception-file-storage-emulated-0-test-txt-exposed
*/
val builder = VmPolicy.Builder()
StrictMode.setVmPolicy(builder.build())
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/**
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* initialize the notification listener in the background
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*/
NotificationHelper.enqueueWork(this)
}
/**
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* Initializes the required [NotificationChannel]s for the app.
*/
private fun initializeNotificationChannels() {
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createNotificationChannel(
"download_service",
"Download Service",
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"Shows a notification when downloading media.",
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NotificationManager.IMPORTANCE_NONE
)
createNotificationChannel(
"background_mode",
"Background Mode",
"Shows a notification with buttons to control the audio player",
NotificationManager.IMPORTANCE_LOW
)
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createNotificationChannel(
"notification_worker",
"Notification Worker",
"Shows a notification when new streams are available.",
NotificationManager.IMPORTANCE_DEFAULT
)
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}
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private fun createNotificationChannel(
id: String,
name: String,
descriptionText: String,
importance: Int
) {
// Create the NotificationChannel, but only on API 26+ because
// the NotificationChannel class is new and not in the support library
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val channel = NotificationChannel(id, name, importance)
channel.description = descriptionText
// Register the channel in the system
val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
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notificationManager.createNotificationChannel(channel)
}
}
}