mapbox / mapbox/mapbox-maps-android
"NullPointerException null cannot be cast to non-null type com.mapbox.maps.ScreenCoordinate" in CameraAnimationsPluginImpl.onAnimationUpdateInternal
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- Dominant language
- Kotlin
- Stars
- 578
- Forks
- 161
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Description
## Environment
- Android OS version: 8.0.0
- Devices affected: Honor 7C and Galaxy S8
- Maps SDK Version: 11.2.1
## Observed behavior and steps to reproduce
Error inside the mapbox library.
Error java.lang.NullPointerException "null cannot be cast to non-null type com.mapbox.maps.ScreenCoordinate". Stacktrace:
```
Fatal Exception: java.lang.NullPointerException: null cannot be cast to non-null type com.mapbox.maps.ScreenCoordinate
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl.onAnimationUpdateInternal(CameraAnimationsPluginImpl.kt:481)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl.access$setHighLevelAnimatorSet$p(CameraAnimationsPluginImpl.kt)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl.access$onAnimationUpdateInternal(CameraAnimationsPluginImpl.kt)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl$registerInternalUpdateListener$1$1.invoke(CameraAnimationsPluginImpl.kt:469)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl$registerInternalUpdateListener$1$1.invoke(CameraAnimationsPluginImpl.kt:469)
at com.mapbox.maps.threading.AnimationThreadController.postOnMainThread(AnimationThreadController.kt:67)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl.registerInternalUpdateListener$lambda$26(CameraAnimationsPluginImpl.kt:469)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator.handleImmediateAnimation(CameraAnimator.kt:142)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator.access$cancel$s-741060776(CameraAnimator.kt)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator.access$handleImmediateAnimation(CameraAnimator.kt)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator$start$1.invoke(CameraAnimator.kt:92)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator$start$1.invoke(CameraAnimator.kt:88)
at com.mapbox.maps.threading.AnimationThreadController.postOnMainThread(AnimationThreadController.kt:67)
at com.mapbox.maps.threading.AnimationThreadController.postOnAnimatorThread(AnimationThreadController.kt:90)
at com.mapbox.maps.plugin.animation.animator.CameraAnimator.start(CameraAnimator.kt:88)
at android.animation.ValueAnimator.startWithoutPulsing(ValueAnimator.java:1058)
at android.animation.AnimatorSet.handleAnimationEvents(AnimatorSet.java:1142)
at android.animation.AnimatorSet.startAnimation(AnimatorSet.java:1227)
at android.animation.AnimatorSet.start(AnimatorSet.java:729)
at android.animation.AnimatorSet.start(AnimatorSet.java:684)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl$playAnimatorsTogether$1$1.invoke(CameraAnimationsPluginImpl.kt:933)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl$playAnimatorsTogether$1$1.invoke(CameraAnimationsPluginImpl.kt:933)
at com.mapbox.maps.threading.AnimationThreadController.postOnMainThread(AnimationThreadController.kt:67)
at com.mapbox.maps.threading.AnimationThreadController.postOnAnimatorThread(AnimationThreadController.kt:90)
at com.mapbox.maps.plugin.animation.CameraAnimationsPluginImpl.playAnimatorsTogether(CameraAnimationsPluginImpl.kt:933)
at com.mapbox.maps.plugin.gestures.GesturesPluginImpl.handleScale$plugin_gestures_release(GesturesPluginImpl.kt:617)
at com.mapbox.maps.plugin.gestures.GesturesPluginImpl$ScaleGestureListener.onScale(GesturesPluginImpl.kt:500)
at com.mapbox.android.gestures.StandardScaleGestureDetector.analyzeMovement(StandardScaleGestureDetector.java:108)
at com.mapbox.android.gestures.MultiFingerGesture.analyzeEvent(MultiFingerGesture.java:106)
at com.mapbox.android.gestures.ProgressiveGesture.analyzeEvent(ProgressiveGesture.java:55)
at com.mapbox.android.gestures.StandardScaleGestureDetector.analyzeEvent(StandardScaleGestureDetector.java:159)
at com.mapbox.maps.plugin.gestures.GesturesPluginImpl.(GesturesPluginImpl.kt:61)
at com.mapbox.android.gestures.BaseGesture.analyze(BaseGesture.java:61)
at com.mapbox.android.gestures.BaseGesture.onTouchEvent(BaseGesture.java:39)
at com.mapbox.android.gestures.AndroidGesturesManager.onTouchEvent(AndroidGesturesManager.java:193)
at com.mapbox.maps.plugin.gestures.GesturesPluginImpl.onTouchEvent(GesturesPluginImpl.kt:257)
at com.mapbox.maps.plugin.MapPluginRegistry.onTouch(MapPluginRegistry.kt:132)
at com.mapbox.maps.MapController.onTouchEvent(MapController.kt:211)
at com.mapbox.maps.MapView.onTouchEvent(MapView.kt:337)
at android.view.View.dispatchTouchEvent(View.java:12534)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3153)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2829)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2844)
at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:600)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1871)
at android.app.Activity.dispatchTouchEvent(Activity.java:3384)
at androidx.appcompat.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:70)
at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:562)
at android.view.View.dispatchPointerEvent(View.java:12782)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5662)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5457)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4950)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5003)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4969)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5106)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4977)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5163)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4950)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5003)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4969)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4977)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4950)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7719)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7659)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7620)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7830)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
at android.view.InputEventReceiver.nativeConsumeBatchedInputEvents(InputEventReceiver.java)
at android.view.InputEventReceiver.consumeBatchedInputEvents(InputEventReceiver.java:176)
at android.view.ViewRootImpl.doConsumeBatchedInput(ViewRootImpl.java:7793)
at android.view.ViewRootImpl$ConsumeBatchedInputRunnable.run(ViewRootImpl.java:7857)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:911)
at android.view.Choreographer.doCallbacks(Choreographer.java:723)
at android.view.Choreographer.doFrame(Choreographer.java:652)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:897)
at android.os.Handler.handleCallback(Handler.java:789)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6938)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)
```
## Expected behavior
No error
## Notes / preliminary analysis
So far the error has only occurred on Android 8. I ran the app in an emulator on Android 8, but the error does not occur.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in CameraAnimationsPluginImpl.kt around onAnimationUpdateInternal at line 481, then trace the gesture path through CameraAnimator and GesturesPluginImpl.handleScale. Reproduce the scale gesture on Android 8.0 using Maps SDK 11.2.1 and determine why a null value is cast to ScreenCoordinate. Done means the gesture animation no longer throws this exception.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, kotlin
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100