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After requesting not granted permissions, the result should be dispatched on main thread #451

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After requesting not granted permissions, the result should be dispatched on main thread #451

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@korzonkiee korzonkiee commented Feb 27, 2024 •
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Description

Seeing the following crash reported multiple times in Sentry:

java.lang.RuntimeException: Methods marked with @UiThread must be executed on the main thread. Current thread: DefaultDispatcher-worker-1
    at io.flutter.embedding.engine.FlutterJNI.ensureRunningOnMainThread(FlutterJNI.java:37)
    at io.flutter.embedding.engine.FlutterJNI.dispatchPlatformMessage(FlutterJNI.java:1)
    at mb.c.d(DartMessenger.java:79)
    at mb.a$c.c(DartExecutor.java:4)
    at mb.a.c(DartExecutor.java:3)
    at yb.d$c$a.a(EventChannel.java:50)
    at y1.j1.e(CameraPermissions.kt:166)
    at io.flutter.embedding.engine.c$c.i(FlutterEngineConnectionRegistry.java:21)
    at io.flutter.embedding.engine.c.e(FlutterEngineConnectionRegistry.java:14)
    at io.flutter.embedding.android.f.y(FlutterActivityAndFragmentDelegate.java:60)
    at io.flutter.embedding.android.e.onRequestPermissionsResult(FlutterActivity.java:11)
    at android.app.Activity.requestPermissions(Activity.java:5633)
    at androidx.core.app.b$b.b(ActivityCompat.java:1)
    at androidx.core.app.b.r(ActivityCompat.java:140)
    at y1.j1.g(CameraPermissions.kt:100)
    at y1.j1$b.invokeSuspend(CameraPermissions.kt:48)
    at kotlin.coroutines.jvm.internal.a.resumeWith(ContinuationImpl.kt:12)
    at nd.r0.run(DispatchedTask.kt:124)
    at sd.o$a.run(LimitedDispatcher.kt:4)
    at ud.k.run(Tasks.kt:3)
    at ud.a.z(CoroutineScheduler.kt:1)
    at ud.a$c.d(CoroutineScheduler.kt:15)
    at ud.a$c.p(CoroutineScheduler.kt:29)
    at ud.a$c.run(CoroutineScheduler.kt:1)

After some investigation, it turned out that after requesting the not-granted permissions, the callback function is invoked from the IO thread, which then leads to the java.lang.RuntimeException: Methods marked with @UiThread must be executed on the main thread. In order to fix it, we must dispatch the callback invocation to the main thread, similarily as in the case of requesting audio permission.

Closes #450

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@korzonkiee korzonkiee changed the title fix: after requesting not granted permissions, the result should be dispatched on main thread After requesting not granted permissions, the result should be dispatched on main thread Feb 27, 2024
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After requesting not granted permissions, the result should be dispatched on main thread
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