# Finding which button was clicked in a Layout Component causes crashes in built app - Android Only \[Aug 2022\]

**URL:** <https://community.thunkable.com/t/finding-which-button-was-clicked-in-a-layout-component-causes-crashes-in-built-app-android-only-aug-2022/2026693>\
**Category:** Issues / Bugs\
**Tags:** layouts\
**Created:** [September 3, 2022, 6:43pm UTC](https://community.thunkable.com/t/finding-which-button-was-clicked-in-a-layout-component-causes-crashes-in-built-app-android-only-aug-2022/2026693 "2022-09-03T18:43:21Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![jared](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/jared/32/138473_2.png) [@jared](https://community.thunkable.com/u/jared)\
**Post date:** [September 3, 2022, 6:43pm UTC](https://community.thunkable.com/t/finding-which-button-was-clicked-in-a-layout-component-causes-crashes-in-built-app-android-only-aug-2022/2026693/1 "2022-09-03T18:43:21Z")

</div>

I am finding a button in a list of buttons in a layout.

 ![Screen Shot 2022-09-03 at 2.42.23 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/e/a/ea1f6d22d09e1a8771ceb68655e9ea38df91e060.png)

this works on iOS and web but not on Android. On android I get the following message in the debugger

```auto
2022-09-03 14:40:48.955 13065-13065/? E/unknown:ViewManager: Error while updating prop ellipsizeMode
    java.lang.ClassCastException: java.lang.Double cannot be cast to java.lang.String
        at com.facebook.react.uimanager.ViewManagersPropertyCache$StringPropSetter.getValueOrDefault(ViewManagersPropertyCache.java:286)
        at com.facebook.react.uimanager.ViewManagersPropertyCache$PropSetter.updateViewProp(ViewManagersPropertyCache.java:86)
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater$FallbackViewManagerSetter.setProperty(ViewManagerPropertyUpdater.java:136)
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater.updateProps(ViewManagerPropertyUpdater.java:56)
        at com.facebook.react.uimanager.ViewManager.updateProperties(ViewManager.java:47)
        at com.facebook.react.uimanager.ViewManager.createViewInstance(ViewManager.java:143)
        at com.facebook.react.uimanager.ViewManager.createView(ViewManager.java:76)
        at com.facebook.react.uimanager.NativeViewHierarchyManager.createView(NativeViewHierarchyManager.java:281)
        at com.facebook.react.uimanager.UIViewOperationQueue$CreateViewOperation.execute(UIViewOperationQueue.java:194)
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.dispatchPendingNonBatchedOperations(UIViewOperationQueue.java:1110)
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.doFrameGuarded(UIViewOperationQueue.java:1081)
        at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29)
        at com.facebook.react.modules.core.ReactChoreographer$ReactChoreographerDispatcher.doFrame(ReactChoreographer.java:175)
        at com.facebook.react.modules.core.ChoreographerCompat$FrameCallback$1.doFrame(ChoreographerCompat.java:85)
        at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:1022)
        at android.os.Handler.handleCallback(Handler.java:938)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loopOnce(Looper.java:201)
        at android.os.Looper.loop(Looper.java:288)
        at android.app.ActivityThread.main(ActivityThread.java:7839)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
2022-09-03 14:40:48.956 13065-13065/? D/AndroidRuntime: Shutting down VM
    
    
    --------- beginning of crash
2022-09-03 14:40:48.957 13065-13065/? E/AndroidRuntime: FATAL EXCEPTION: main
    Process: edu.fit.my.jgibb2018.scorecardx, PID: 13065
    com.facebook.react.bridge.JSApplicationIllegalArgumentException: Error while updating property 'ellipsizeMode' of a view managed by: RCTText
        at com.facebook.react.uimanager.ViewManagersPropertyCache$PropSetter.updateViewProp(ViewManagersPropertyCache.java:101)
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater$FallbackViewManagerSetter.setProperty(ViewManagerPropertyUpdater.java:136)
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater.updateProps(ViewManagerPropertyUpdater.java:56)
        at com.facebook.react.uimanager.ViewManager.updateProperties(ViewManager.java:47)
        at com.facebook.react.uimanager.ViewManager.createViewInstance(ViewManager.java:143)
        at com.facebook.react.uimanager.ViewManager.createView(ViewManager.java:76)
        at com.facebook.react.uimanager.NativeViewHierarchyManager.createView(NativeViewHierarchyManager.java:281)
        at com.facebook.react.uimanager.UIViewOperationQueue$CreateViewOperation.execute(UIViewOperationQueue.java:194)
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.dispatchPendingNonBatchedOperations(UIViewOperationQueue.java:1110)
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.doFrameGuarded(UIViewOperationQueue.java:1081)
        at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29)
        at com.facebook.react.modules.core.ReactChoreographer$ReactChoreographerDispatcher.doFrame(ReactChoreographer.java:175)
        at com.facebook.react.modules.core.ChoreographerCompat$FrameCallback$1.doFrame(ChoreographerCompat.java:85)
        at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:1022)
        at android.os.Handler.handleCallback(Handler.java:938)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loopOnce(Looper.java:201)
        at android.os.Looper.loop(Looper.java:288)
        at android.app.ActivityThread.main(ActivityThread.java:7839)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
     Caused by: java.lang.ClassCastException: java.lang.Double cannot be cast to java.lang.String
        at com.facebook.react.uimanager.ViewManagersPropertyCache$StringPropSetter.getValueOrDefault(ViewManagersPropertyCache.java:286)
        at com.facebook.react.uimanager.ViewManagersPropertyCache$PropSetter.updateViewProp(ViewManagersPropertyCache.java:86)
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater$FallbackViewManagerSetter.setProperty(ViewManagerPropertyUpdater.java:136) 
        at com.facebook.react.uimanager.ViewManagerPropertyUpdater.updateProps(ViewManagerPropertyUpdater.java:56) 
        at com.facebook.react.uimanager.ViewManager.updateProperties(ViewManager.java:47) 
        at com.facebook.react.uimanager.ViewManager.createViewInstance(ViewManager.java:143) 
        at com.facebook.react.uimanager.ViewManager.createView(ViewManager.java:76) 
        at com.facebook.react.uimanager.NativeViewHierarchyManager.createView(NativeViewHierarchyManager.java:281) 
        at com.facebook.react.uimanager.UIViewOperationQueue$CreateViewOperation.execute(UIViewOperationQueue.java:194) 
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.dispatchPendingNonBatchedOperations(UIViewOperationQueue.java:1110) 
        at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.doFrameGuarded(UIViewOperationQueue.java:1081) 
        at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29) 
        at com.facebook.react.modules.core.ReactChoreographer$ReactChoreographerDispatcher.doFrame(ReactChoreographer.java:175) 
        at com.facebook.react.modules.core.ChoreographerCompat$FrameCallback$1.doFrame(ChoreographerCompat.java:85) 
        at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:1022) 
        at android.os.Handler.handleCallback(Handler.java:938) 
        at android.os.Handler.dispatchMessage(Handler.java:99) 
        at android.os.Looper.loopOnce(Looper.java:201) 
        at android.os.Looper.loop(Looper.java:288) 
        at android.app.ActivityThread.main(ActivityThread.java:7839) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003) 
    
    
    --------- beginning of system

```

@cassandra@domhnallohanlon

 ![Screen Shot 2022-09-03 at 2.48.36 PM](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/e/0efef95c5af04797f94aa3ecb740941a70a785f4.png)  
waiting on this sample app to build for the minimal example

---

<div class="post-metadata">

**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\
**Post date:** [November 8, 2024, 1:12pm UTC](https://community.thunkable.com/t/finding-which-button-was-clicked-in-a-layout-component-causes-crashes-in-built-app-android-only-aug-2022/2026693/2 "2024-11-08T13:12:54Z")

</div>