Question

自从我使用android oreo OS在我的应用上开始测试以来，就发生了奇怪的崩溃。

在一段时间（有时是一天，其他时间需要2-3天）中，前台服务将崩溃/停止，而不会发出任何通知。根据我得到的调试信息，它显示为android.runtime.JavaProxyThrowable，但是我不确定谁是真正的罪魁祸首。奇怪的是，它在启动后崩溃，但是表示崩溃原因的函数应该在服务启动时才被调用一次（OnStartCommand）。

从我所看到的，罪魁祸首是OnStartCommand，或者类似的错误提示，但是我不能完全确定实际的问题是什么以及如何解决。自从从8.0 Oreo开始工作以来，删除所有已添加的所有新代码都不会产生任何结果。

还有其他人有这个问题吗，有解决方案吗？

代码：

public override StartCommandResult OnStartCommand(Intent intent, StartCommandFlags flags, int startId)
        {
            base.OnStartCommand(intent, flags, startId);
            isStarted = true;

            LoadSet();//load settings
            accumulatedTrafficDown += intent.GetLongExtra("aDownBootup", 0);
            accumulatedTrafficUp += intent.GetLongExtra("aUpBootup", 0);

            connectivityManager = (ConnectivityManager)(Application.Context.GetSystemService(ConnectivityService));
            wifiManager = (WifiManager)(Application.Context.GetSystemService(WifiService));
            notificationManager = (NotificationManager)GetSystemService(NotificationService);

            builder = new Notification.Builder(this)
                .SetSmallIcon(Resource.Drawable.ITMIcon)
                .SetOngoing(true)//API 11
                .SetShowWhen(false)//API 17
                .SetVisibility(NotificationVisibility.Public)
                ;

            if ((int)Build.VERSION.SdkInt >= 26)
            {
                string chanName = GetString(Resource.String.noti_chan_normal);
                var importance = NotificationImportance.Low;

                NotificationChannel chan = new NotificationChannel(DEF_CHANNEL, chanName, importance)
                {
                    LockscreenVisibility = NotificationVisibility.Public
                };
                chan.EnableLights(false);
                chan.EnableVibration(false);
                chan.SetShowBadge(false);
                chan.SetBypassDnd(true);

                notificationManager.CreateNotificationChannel(chan);
                builder.SetChannelId(DEF_CHANNEL);

                chan.Dispose();
            }

            //open main app when notification is clicked
            using (Intent intentMA = new Intent(this/*Application.ApplicationContext*/, typeof(MainActivity)))
            {
                intentMA.AddFlags(ActivityFlags.ReceiverForeground);

                using (PendingIntent pendingIntent = PendingIntent.GetActivity(this, 0, intentMA, PendingIntentFlags.UpdateCurrent))
                {
                    builder.SetContentIntent(pendingIntent);
                }
            }

            StartForeground(notificationId/*(int)NotificationFlags.ForegroundService*/, builder.Build());

            lastNetworkTrafficDown = TrafficStats.TotalRxBytes;
            lastNetworkTrafficUp = TrafficStats.TotalTxBytes;

            //for drawing to tray
            bm = Bitmap.CreateBitmap(bitmapSize, bitmapSize, Bitmap.Config.Argb4444, true);
            canvas = new Canvas(bm);
            bounds = new Rect();
            paint = new Paint(PaintFlags.LinearText) { Color = Color.White };
            paint.SetStyle(Paint.Style.Fill);
            paint.SetShadowLayer(4f, 2f, 2f, Color.Black);//(int)(bitmapSize * 0.03125f), (int)(bitmapSize * 0.015625f), (int)(bitmapSize * 0.015625f)
            paint.TextAlign = Paint.Align.Center;
            using (Typeface bold = Typeface.Create(paint.Typeface, TypefaceStyle.Bold))
            {
                paint.SetTypeface(bold);
            }

            UpdateNotification();

            return StartCommandResult.Sticky;
        }

错误：

android.runtime.JavaProxyThrowable: at ITM.NotificationService.OnStartCommand (Android.Content.Intent intent, Android.App.StartCommandFlags flags, System.Int32 startId) [0x00016] in <8eb370332be94963ab6dd55bf21270bf>:0
at Android.App.Service.n_OnStartCommand_Landroid_content_Intent_II (System.IntPtr jnienv, System.IntPtr native__this, System.IntPtr native_intent, System.Int32 native_flags, System.Int32 startId) [0x0000f] in <5714ccdc0ab84d74bb3e08064f494a0a>:0
at (wrapper dynamic-method) System.Object.f8a85e62-c1d3-4a9f-baf4-1379f6e1f4f1(intptr,intptr,intptr,int,int)
  at com.nevaran.ITMNotificationService.n_onStartCommand (Native Method)
  at com.nevaran.ITMNotificationService.onStartCommand (ITMNotificationService.java:31)
  at android.app.ActivityThread.handleServiceArgs (ActivityThread.java:3679)
  at android.app.ActivityThread.-wrap21 (Unknown Source)
  at android.app.ActivityThread$H.handleMessage (ActivityThread.java:1801)
  at android.os.Handler.dispatchMessage (Handler.java:105)
  at android.os.Looper.loop (Looper.java:164)
  at android.app.ActivityThread.main (ActivityThread.java:6944)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.Zygote$MethodAndArgsCaller.run (Zygote.java:327)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1374)

Xamarin Android VS-8.0手机崩溃

0 个答案: