I have a Kotlin Compose app which runs well in Android 30 an

Question

I have a Kotlin Compose app which runs well in Android 30 and 31 but crashes with an indexOutOfBoundsException on first install in Android 32 and 33 on emulators We ve established in the < CJLTWPH7S|compose> channel that the code is fine thanks Lukasz Is this something I should report in the bug tracker Or is there a known reason why this might be happening

Suraj Sahani · Answer

Hey Nat Please share logcat It help to understand bug more

Nat Strangerweather · Answer

Hi Martial here it is This is Api 32 ```2022 08 06 10 45 40 813 4278 4278 E AndroidRuntime FATAL EXCEPTION main Process com strangerweather words PID 4278 java lang IndexOutOfBoundsException Index 0 Size 0 at java util ArrayList get ArrayList java 437 at com strangerweather words components boards DrawBoardKt$DrawBoard$1$1 invoke DrawBoard kt 98 at com strangerweather words components boards DrawBoardKt$DrawBoard$1$1 invoke DrawBoard kt 79 at androidx compose runtime internal ComposableLambdaImpl invoke ComposableLambda jvm kt 107 at androidx compose runtime internal ComposableLambdaImpl invoke ComposableLambda jvm kt 34 at androidx compose runtime RecomposeScopeImpl compose RecomposeScopeImpl kt 145 at androidx compose runtime ComposerImpl recomposeToGroupEnd Composer kt 2363 at androidx compose runtime ComposerImpl skipCurrentGroup Composer kt 2630 at androidx compose runtime ComposerImpl$doCompose$2$5 invoke Composer kt 3217 at androidx compose runtime ComposerImpl$doCompose$2$5 invoke Composer kt 3195 at androidx compose runtime SnapshotStateKt DerivedStateKt observeDerivedStateRecalculations DerivedState kt 336 at androidx compose runtime SnapshotStateKt observeDerivedStateRecalculations Unknown Source 1 at androidx compose runtime ComposerImpl doCompose Composer kt 3195 at androidx compose runtime ComposerImpl recompose$runtime release Composer kt 3160 at androidx compose runtime CompositionImpl recompose Composition kt 748 at androidx compose runtime Recomposer performRecompose Recomposer kt 876 at androidx compose runtime Recomposer access$performRecompose Recomposer kt 107 at androidx compose runtime Recomposer$runRecomposeAndApplyChanges$2$2 invoke Recomposer kt 485 at androidx compose runtime Recomposer$runRecomposeAndApplyChanges$2$2 invoke Recomposer kt 454 at androidx compose ui platform AndroidUiFrameClock$withFrameNanos$2$callback$1 doFrame AndroidUiFrameClock android kt 34 at androidx compose ui platform AndroidUiDispatcher performFrameDispatch AndroidUiDispatcher android kt 109 at androidx compose ui platform AndroidUiDispatcher access$performFrameDispatch AndroidUiDispatcher android kt 41 at androidx compose ui platform AndroidUiDispatcher$dispatchCallback$1 doFrame AndroidUiDispatcher android kt 69 at android view Choreographer$CallbackRecord run Choreographer java 1035 at android view Choreographer doCallbacks Choreographer java 845 at android view Choreographer doFrame Choreographer java 775 at android view Choreographer$FrameDisplayEventReceiver run Choreographer java 1022 at android os Handler handleCallback Handler java 938 at android os Handler dispatchMessage Handler java 99 at android os Looper loopOnce Looper java 201 at android os Looper loop Looper java 288 at android app ActivityThread main ActivityThread java 7842 at java lang reflect Method invoke Native Method at com android internal os RuntimeInit$MethodAndArgsCaller run RuntimeInit java 548 at com android internal os ZygoteInit main ZygoteInit java 1003 Suppressed kotlinx coroutines DiagnosticCoroutineContextException androidx compose runtime PausableMonotonicFrameClock 10fe566 androidx compose ui platform MotionDurationScaleImpl e8df0a7 StandaloneCoroutine Cancelling 9ec8954 AndroidUiDispatcher 68640fd ```

Nat Strangerweather · Answer

And this is Api 33 ```2022 08 05 22 02 53 971 3615 3615 E AndroidRuntime FATAL EXCEPTION main Process com strangerweather words PID 3615 java lang IndexOutOfBoundsException Index 25 Size 25 at java util ArrayList get ArrayList java 437 at com strangerweather words components boards GameBoardKt$GameBoard$2 invoke GameBoard kt 131 at com strangerweather words components boards GameBoardKt$GameBoard$2 invoke GameBoard kt 114 at androidx compose runtime internal ComposableLambdaImpl invoke ComposableLambda jvm kt 107 at androidx compose runtime internal ComposableLambdaImpl invoke ComposableLambda jvm kt 34 at androidx compose runtime RecomposeScopeImpl compose RecomposeScopeImpl kt 145 at androidx compose runtime ComposerImpl recomposeToGroupEnd Composer kt 2363 at androidx compose runtime ComposerImpl skipToGroupEnd Composer kt 2653 at com strangerweather words utils GridKt VerticalGrid Grid kt 70 at com strangerweather words components boards GameBoardKt GameBoard GameBoard kt 107 at com strangerweather words components boards GameBoardKt$GameBoard$3 invoke Unknown Source 4 at com strangerweather words components boards GameBoardKt$GameBoard$3 invoke Unknown Source 10 at androidx compose runtime RecomposeScopeImpl compose RecomposeScopeImpl kt 145 at androidx compose runtime ComposerImpl recomposeToGroupEnd Composer kt 2363 at androidx compose runtime ComposerImpl skipCurrentGroup Composer kt 2630 at androidx compose runtime ComposerImpl$doCompose$2$5 invoke Composer kt 3217 at androidx compose runtime ComposerImpl$doCompose$2$5 invoke Composer kt 3195 at androidx compose runtime SnapshotStateKt DerivedStateKt observeDerivedStateRecalculations DerivedState kt 336 at androidx compose runtime SnapshotStateKt observeDerivedStateRecalculations Unknown Source 1 at androidx compose runtime ComposerImpl doCompose Composer kt 3195 at androidx compose runtime ComposerImpl recompose$runtime release Composer kt 3160 at androidx compose runtime CompositionImpl recompose Composition kt 748 at androidx compose runtime Recomposer performRecompose Recomposer kt 876 at androidx compose runtime Recomposer access$performRecompose Recomposer kt 107 at androidx compose runtime Recomposer$runRecomposeAndApplyChanges$2$2 invoke Recomposer kt 485 at androidx compose runtime Recomposer$runRecomposeAndApplyChanges$2$2 invoke Recomposer kt 454 at androidx compose ui platform AndroidUiFrameClock$withFrameNanos$2$callback$1 doFrame AndroidUiFrameClock android kt 34 at androidx compose ui platform AndroidUiDispatcher performFrameDispatch AndroidUiDispatcher android kt 109 at androidx compose ui platform AndroidUiDispatcher access$performFrameDispatch AndroidUiDispatcher android kt 41 at androidx compose ui platform AndroidUiDispatcher$dispatchCallback$1 doFrame AndroidUiDispatcher android kt 69 at android view Choreographer$CallbackRecord run Choreographer java 1229 at android view Choreographer$CallbackRecord run Choreographer java 1239 at android view Choreographer doCallbacks Choreographer java 899 at android view Choreographer doFrame Choreographer java 827 at android view Choreographer$FrameDisplayEventReceiver run Choreographer java 1214 at android os Handler handleCallback Handler java 942 at android os Handler dispatchMessage Handler java 99 at android os Looper loopOnce Looper java 201 at android os Looper loop Looper java 288 at android app ActivityThread main ActivityThread java 7898 at java lang reflect Method invoke Native Method at com android internal os RuntimeInit$MethodAndArgsCaller run RuntimeInit java 548 at com android internal os ZygoteInit main ZygoteInit java 936 Suppressed kotlinx coroutines DiagnosticCoroutineContextException androidx compose runtime PausableMonotonicFrameClock 33df20a androidx compose ui platform MotionDurationScaleImpl edb4a7b StandaloneCoroutine Cancelling a326098 AndroidUiDispatcher e71a0f1 ```

Suraj Sahani · Answer

It this project related to 2D games

Nat Strangerweather · Answer

It is a type of Scrabble game

Suraj Sahani · Answer

Can you also share piece of code which is creating issue

Nat Strangerweather · Answer

Do you happen to be on the < CJLTWPH7S|compose> channel as well I can link you to the thread that has some code snippets

Suraj Sahani · Answer

Sure Joined just now

Nat Strangerweather · Answer

Thanks <https kotlinlang slack com archives CJLTWPH7S p1659711762050509 thread ts=1659710116 412639 amp cid=CJLTWPH7S>