Merge pull request #3 from crtlib/master

Create notification channel on Oreo and higher

app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java

@@ -17,16 +17,22 @@
 package com.m2049r.xmrwallet.service;
 
 import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Binder;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
+import android.support.annotation.RequiresApi;
+import android.support.v4.app.NotificationCompat;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.WalletActivity;
@@ -37,12 +43,15 @@
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
 
+import junit.framework.Assert;
+
 import timber.log.Timber;
 
 public class WalletService extends Service {
  public static boolean Running = false;
 
  final static int NOTIFICATION_ID = 2049;
+ final static String NOTIFICATION_CHANNEL_ID = "loki_wallet_notification";
 
  public static final String REQUEST_WALLET = "wallet";
  public static final String REQUEST = "request";
@@ -548,11 +557,32 @@ private Wallet openWallet(String walletName, String walletPassword) {
  private void startNotification() {
  Intent notificationIntent = new Intent(this, WalletActivity.class);
  PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
- Notification notification = new Notification.Builder(this)
+
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+ createNotificationChannelIfNeeded();
+ }
+ NotificationCompat.Builder builder = new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
+ Notification notification = builder
  .setContentTitle(getString(R.string.service_description))
  .setSmallIcon(R.drawable.loki_notification)
  .setContentIntent(pendingIntent)
  .build();
  startForeground(NOTIFICATION_ID, notification);
  }
+
+ @RequiresApi(Build.VERSION_CODES.O)
+ private void createNotificationChannelIfNeeded() {
+ NotificationManager service = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+ Assert.assertTrue(service != null);
+
+ if (service.getNotificationChannel(NOTIFICATION_CHANNEL_ID) != null) {
+ return;
+ }
+ NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
+ getString(R.string.service_description), NotificationManager.IMPORTANCE_LOW);
+ chan.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
+ chan.enableLights(false);
+ chan.enableVibration(false);
+ service.createNotificationChannel(chan);
+ }
 }