Motionchange event will not trigger

[locsim]

Hello, please find the problem description here below.

Your Environment

• Plugin version: 1.3.2
• Platform: Android
• OS version: 9
• Device manufacturer / model: OnePlus 5T (also tested on Samsung xcover 4)
• Flutter info:

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.9.1+hotfix.6, on Microsoft Windows [version 10.0.18362.476], locale fr-FR)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[√] Android Studio (version 3.5)
[√] Connected device (1 available)

• No issues found!

• Plugin config:

@override
  void initState() {
    super.initState();
      
    bg.BackgroundGeolocation.ready(bg.Config(
        params: {
          'x': appSetup.x
        },
        debug: false,
        logLevel:  bg.Config.LOG_LEVEL_VERBOSE,
        minimumActivityRecognitionConfidence: 50,

        startOnBoot: false,
        distanceFilter: 50,
        heartbeatInterval: 120,
        desiredAccuracy: bg.Config.DESIRED_ACCURACY_HIGH,
        useSignificantChangesOnly: false,
        notification:
        bg.Notification(title: "XXXXX", text: "Localisation en cours"),
        stopOnTerminate: true,
        stopTimeout: 0,
        reset: true,
        url: 'https://xxxxxxxx'
    ))
        .then((bg.State state) {
      if (!state.enabled) {
        bg.BackgroundGeolocation.start();
      }
    });
        }

Expected Behavior

I expect to see a motionchange event occur in the log when shaking the phone.

Actual Behavior

Unstead, only one motionchange event occur (when the app is launched), and even when shaking the phone for quite a long time (say 30s) I simply can't trigger this event again.
Same for motion transition event.

Steps to Reproduce

launch the app and shake the phone

Context

Debug logs

Launching lib\main.dart on ONEPLUS A5010 in debug mode...
Initializing gradle...
Resolving dependencies...
Running Gradle task 'assembleDebug'...
[flutter_background_geolocation] Purging debug resources in release build
Built build\app\outputs\apk\debug\app-debug.apk.
Installing build\app\outputs\apk\app.apk...
I/TSLocationManager( 4539): [c.t.l.BootReceiver$1 run]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ BootReceiver: com.locsim.bg_test
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): ╟─ android.intent.action.MY_PACKAGE_REPLACED
D/TSLocationManager( 4539): [c.t.l.g.TSGeofenceManager c] ℹ️ Persist monitored geofences: []
W/.locsim.bg_tes( 4539): Accessing hidden method Landroid/view/accessibility/AccessibilityNodeInfo;->getSourceNodeId()J (light greylist, reflection)
W/.locsim.bg_tes( 4539): Accessing hidden method Landroid/view/accessibility/AccessibilityRecord;->getSourceNodeId()J (light greylist, reflection)
W/.locsim.bg_tes( 4539): Accessing hidden field Landroid/view/accessibility/AccessibilityNodeInfo;->mChildNodeIds:Landroid/util/LongArray; (light greylist, reflection)
W/.locsim.bg_tes( 4539): Accessing hidden method Landroid/util/LongArray;->get(I)J (light greylist, reflection)
D/DecorView( 4539): onWindowFocusChangedFromViewRoot hasFocus: true, DecorView@37f8616[MainActivity]
I/OpenGLRenderer( 4539): Initialized EGL, version 1.4
D/OpenGLRenderer( 4539): Swap behavior 2
Syncing files to device ONEPLUS A5010...
D/TSLocationManager( 4539): [c.t.l.adapter.TSConfig c] ℹ️ Persist config, dirty: [desiredAccuracy, distanceFilter, headlessJobService, heartbeatInterval, logLevel, minimumActivityRecognitionConfidence, notification, notification.title, notification.text, params, stopTimeout]
D/TSLocationManager( 4539): [c.t.l.a.BackgroundGeolocation ready] LocationPermission :true
I/Choreographer( 4539): Skipped 52 frames! The application may be doing too much work on its main thread.
I/OpenGLRenderer( 4539): Davey! duration=919ms; Flags=1, IntendedVsync=519849818813634, Vsync=519850685480266, OldestInputEvent=9223372036854775807, NewestInputEvent=0, HandleInputStart=519850688593929, AnimationStart=519850688671013, PerformTraversalsStart=519850689476169, DrawStart=519850696461742, SyncQueued=519850699520336, SyncStart=519850699596690, IssueDrawCommandsStart=519850699758148, SwapBuffers=519850737213877, FrameCompleted=519850738607888, DequeueBufferDuration=3140000, QueueBufferDuration=343000,
D/TSLocationManager( 4539): [c.t.locationmanager.util.b a]
D/TSLocationManager( 4539): ℹ️ LocationAuthorization: Permission granted
I/TSLocationManager( 4539): - Enable: false → true, trackingMode: 1
I/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
I/TSLocationManager( 4539): 🎾 Start motion-activity updates
W/ActivityThread( 4539): handleWindowVisibility: no activity for token android.os.BinderProxy@15941ee
I/TSLocationManager( 4539): [c.t.l.g.TSGeofenceManager start]
I/TSLocationManager( 4539): 🎾 Start monitoring geofences
D/TSLocationManager( 4539): [c.t.l.http.HttpService startMonitoringConnectivityChanges]
D/TSLocationManager( 4539): 🎾 Start monitoring connectivity changes
D/TSLocationManager( 4539): [c.t.locationmanager.device.b c]
D/TSLocationManager( 4539): 🎾 Start monitoring powersave changes
I/TSLocationManager( 4539): [c.t.l.g.TSGeofenceManager stopMonitoringSignificantLocationChanges]
I/TSLocationManager( 4539): 🔴 Stop monitoring significant location changes
I/TSLocationManager( 4539): [c.t.l.service.HeartbeatService b]
I/TSLocationManager( 4539): 🎾 Start heartbeat (120s)
D/TSLocationManager( 4539): [c.t.locationmanager.util.b b]
D/TSLocationManager( 4539): ℹ️ LocationAuthorization: Permission granted
D/TSLocationManager( 4539): [c.t.l.http.HttpService a]
D/TSLocationManager( 4539): ╔═════════════════════════════════════════════
D/TSLocationManager( 4539): ║ 📶 Connectivity change: connected? true
D/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): [c.t.l.service.TrackingService a]
I/TSLocationManager( 4539): 🔵 setPace: false → false
D/TSLocationManager( 4539): [c.t.l.adapter.TSConfig translateDesiredAccuracy] translateDesiredAccuracy (true): -1
W/.locsim.bg_tes( 4539): Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (light greylist, reflection)
W/.locsim.bg_tes( 4539): Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (light greylist, reflection)
D/DecorView( 4539): onWindowFocusChangedFromViewRoot hasFocus: true, DecorView@4b4e502[TSLocationManagerActivity]
D/DecorView( 4539): onWindowFocusChangedFromViewRoot hasFocus: true, DecorView@37f8616[MainActivity]
I/TSLocationManager( 4539): [c.t.l.s.TSScheduleManager oneShot]
I/TSLocationManager( 4539): ⏰ Scheduled OneShot: TERMINATE_EVENT in 10000ms (jobID: -1708771588)
D/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
D/TSLocationManager( 4539): 🚘 ️DetectedActivity [type=STILL, confidence=100]
I/TSLocationManager( 4539): [c.t.l.s.LocationRequestService b]
I/TSLocationManager( 4539): ℹ️ Location availability: true
I/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ Motion Transition Result
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): ╟─ 🎾 ENTER: still
I/TSLocationManager( 4539): ╚═════════════════════════════════════════════
D/TSLocationManager( 4539): [c.t.l.http.HttpService a]
D/TSLocationManager( 4539): ╔═════════════════════════════════════════════
D/TSLocationManager( 4539): ║ 📶 Connectivity change: connected? true
D/TSLocationManager( 4539): ╠═════════════════════════════════════════════
D/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService onDestroy]
D/TSLocationManager( 4539): 🔴 ActivityRecognitionService destroyed
D/TSLocationManager( 4539): [c.t.l.http.HttpService a]
D/TSLocationManager( 4539): ╔═════════════════════════════════════════════
D/TSLocationManager( 4539): ║ 📶 Connectivity change: connected? false
D/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): [c.t.l.s.LocationRequestService a]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ motionchange LocationResult: 1
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): ╟─ 📍 Location[fused 43,618491,7,065877 hAcc=16 et=+13d14h20m20s69ms vAcc=??? sAcc=??? bAcc=??? {Bundle[{}]}], age: 734ms, time: 1573752693667
I/TSLocationManager( 4539): [c.t.l.l.TSLocationManager onSingleLocationResult]
I/TSLocationManager( 4539): 🔵 Acquired motionchange position, isMoving: false
D/TSLocationManager( 4539): [c.t.l.s.LocationRequestService onDestroy]
D/TSLocationManager( 4539): [c.t.l.l.TSLocationManager calculateMedianAccuracy] Median accuracy: 16.0
D/TSLocationManager( 4539): [c.t.l.s.LocationRequestService a] SingleLocationRequest 1 isFinished? true
I/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
I/TSLocationManager( 4539): 🎾 Start motion-activity updates
D/TSLocationManager( 4539): [c.t.l.g.TSGeofenceManager startMonitoringStationaryRegion]
D/TSLocationManager( 4539): 🎾 Start monitoring stationary region (radius: 150.0m 43.6184913,7.0658765 hAcc=16.0)
I/TSLocationManager( 4539): [c.t.l.data.sqlite.b persist]
I/TSLocationManager( 4539): ✅ INSERT: c2678c04-266c-4910-bd99-0b696d1b4e31
I/TSLocationManager( 4539): [c.t.l.service.TrackingService h]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ TrackingService motionchange: false
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
D/SharedPreferencesImpl( 4539): Time required to fsync /data/user/0/com.locsim.bg_test/shared_prefs/TSLocationManager.xml: [<1: 0, <2: 0, <4: 0, <8: 0, <16: 0, <32: 0, <64: 0, <128: 0, <256: 0, <512: 0, <1024: 1, <2048: 0, <4096: 0, <8192: 0, <16384: 0, >=16384: 0]
D/QueuedWork( 4539): waited: [<1: 0, <2: 2, <4: 0, <8: 0, <16: 0, <32: 0, <64: 0, <128: 0, <256: 0, <512: 0, <1024: 1, <2048: 0, <4096: 0, <8192: 0, <16384: 0, >=16384: 0]
D/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
D/TSLocationManager( 4539): 🚘 ️DetectedActivity [type=STILL, confidence=100]
D/TSLocationManager( 4539): [c.t.l.service.TrackingService onDestroy]
D/TSLocationManager( 4539): 🔴 TrackingService destroyed
D/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
D/TSLocationManager( 4539): 🚘 ️DetectedActivity [type=STILL, confidence=100]
I/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ Motion Transition Result
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): ╟─ 🎾 ENTER: still
I/TSLocationManager( 4539): ╚═════════════════════════════════════════════
I/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService a]
I/TSLocationManager( 4539): ╔═════════════════════════════════════════════
I/TSLocationManager( 4539): ║ Motion Transition Result
I/TSLocationManager( 4539): ╠═════════════════════════════════════════════
I/TSLocationManager( 4539): ╟─ 🎾 ENTER: still
I/TSLocationManager( 4539): ╚═════════════════════════════════════════════
D/TSLocationManager( 4539): [c.t.l.s.ActivityRecognitionService onDestroy]
D/TSLocationManager( 4539): 🔴 ActivityRecognitionService destroyed
D/DecorView( 4539): onWindowFocusChangedFromViewRoot hasFocus: true, DecorView@37f8616[MainActivity]

PASTE_YOUR_LOGS_HERE

[christocracy]

Keep shaking. You'll see a Motion Transition Result ENTER: on_foot

[locsim]

Hi Chris,
Thank you for answering.
I've been shaking the phone for 2 minutes (yes, 120 seconds).
Only heartbeat triggers every 2mn.

[christocracy]

Go outside for a walk. See http://dontkillmyapp.com.

[locsim]

I know some manufactures can silently shut down some process but:
The app is foreground and the service was not killed (since heartbeat goes on triggering).

[christocracy]

Doesn’t matter. It’s not an issue with the app being killed. Follow all steps for your device at dontkillmyapp.com then go outside for a 1km walk with debug: true.

[locsim]

Ok it works: motionchange event triggers. What is really strange is that you can't fool it easyly: I was not able to trigger it by simply shaking the phone: I had to really walk. The system motion detection is obviously a smart thing .
Thank you for your help Chris.