Notification: implement channels

src/APRSdroid.scala

@@ -17,6 +17,8 @@ class APRSdroid extends Activity {
 		super.onCreate(savedInstanceState)
 		val prefs = PreferenceManager.getDefaultSharedPreferences(this)
 
+		ServiceNotifier.instance.setupChannels(this)
+
 		// if this is a USB device, auto-launch the service
 		if (UsbTnc.checkDeviceHandle(prefs, getIntent.getParcelableExtra("device")) && prefs.getBoolean("service_running", false))
 			startService(AprsService.intent(this, AprsService.SERVICE))

src/ServiceNotifier.scala

@@ -1,6 +1,6 @@
 package org.aprsdroid.app
 
-import _root_.android.app.{Notification, NotificationManager, PendingIntent, Service}
+import _root_.android.app.{Notification, NotificationChannel, NotificationManager, PendingIntent, Service}
 import _root_.android.content.{Context, Intent}
 import _root_.android.net.Uri
 import _root_.android.os.Build
@@ -17,11 +17,21 @@ abstract class ServiceNotifier {
 	var CALL_NOTIFICATION = SERVICE_NOTIFICATION + 1
 	val callIdMap = new scala.collection.mutable.HashMap[String, Int]()
 
+	def setupChannels(ctx : Context) {
+		if (Build.VERSION.SDK_INT > Build.VERSION_CODES.O) {
+			val nm = ctx.getSystemService(classOf[NotificationManager]).asInstanceOf[NotificationManager]
+			nm.createNotificationChannel(new NotificationChannel("status",
+				ctx.getString(R.string.aprsservice), NotificationManager.IMPORTANCE_LOW))
+			nm.createNotificationChannel(new NotificationChannel("msg",
+				ctx.getString(R.string.p_msg), NotificationManager.IMPORTANCE_DEFAULT))
+		}
+	}
+
 	def newNotification(ctx : Service, status : String) : Notification = {
 		val i = new Intent(ctx, classOf[APRSdroid])
 		i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
 		val appname = ctx.getResources().getString(R.string.app_name)
-		new Notification.Builder(ctx)
+		new Notification.Builder(ctx, "status")
 			.setContentTitle(appname)
 			.setContentText(status)
 			.setContentIntent(PendingIntent.getActivity(ctx, 0, i, 0))
@@ -46,7 +56,7 @@ abstract class ServiceNotifier {
 		val i = new Intent(ctx, classOf[MessageActivity])
 		i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
 		i.setData(Uri.parse(call))
-		new Notification.Builder(ctx)
+		new Notification.Builder(ctx, "msg")
 			.setContentTitle(call)
 			.setContentText(message)
 			.setContentIntent(PendingIntent.getActivity(ctx, 0, i, PendingIntent.FLAG_UPDATE_CURRENT))