# Class Cast Exception FlexboxLayout **URL:** \ **Category:** Android\ **Tags:** android, sdk\ **Created:** [December 16, 2024, 6:54am UTC](https://devforum.zoom.us/t/class-cast-exception-flexboxlayout/122478 "2024-12-16T06:54:30Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![mobileapp](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/mobileapp/32/49749_2.png) [@mobileapp](https://devforum.zoom.us/u/mobileapp)\ **Post date:** [December 16, 2024, 6:54am UTC](https://devforum.zoom.us/t/class-cast-exception-flexboxlayout/122478/1 "2024-12-16T06:54:30Z")
**Description** I have found class cast exception on Crash report from Google play threw from an app that I developed **Based on Google report the class caused the exception is the below** ZmBaseAppsWithRealTimeAccessBottomSheet.java - us.zoom.proguard.e03$c.onCreateViewHolder Hide crash **Which Android Meeting SDK version?** version = 6.0.10.22015 **To Reproduce(If applicable)** I have no idea how to reproduce it **Smartphone (please complete the following information):** - [motorola kiev (moto g 5G)] - [Android 11 (SDK 30)] **Additional context** they report the below stack trace ```auto Exception android.view.InflateException: Binary XML file line #69 in ats.ksa.care.patient:layout/zm_app_with_real_time_access_item: Binary XML file line #69 in ats.ksa.care.patient:layout/zm_app_with_real_time_access_item: Error inflating class com.google.android.flexbox.FlexboxLayout Caused by: android.view.InflateException: Binary XML file line #69 in ats.ksa.care.patient:layout/zm_app_with_real_time_access_item: Error inflating class com.google.android.flexbox.FlexboxLayout Caused by: java.lang.ClassNotFoundException: com.google.android.flexbox.FlexboxLayout at java.lang.Class.classForName at java.lang.Class.forName (Class.java:454) at android.view.LayoutInflater.createView (LayoutInflater.java:813) at android.view.LayoutInflater.createViewFromTag (LayoutInflater.java:1004) at android.view.LayoutInflater.createViewFromTag (LayoutInflater.java:959) at android.view.LayoutInflater.rInflate (LayoutInflater.java:1121) at android.view.LayoutInflater.rInflateChildren (LayoutInflater.java:1082) at android.view.LayoutInflater.rInflate (LayoutInflater.java:1124) at android.view.LayoutInflater.rInflateChildren (LayoutInflater.java:1082) at android.view.LayoutInflater.inflate (LayoutInflater.java:680) at android.view.LayoutInflater.inflate (LayoutInflater.java:532) at us.zoom.proguard.e03$c.onCreateViewHolder (ZmBaseAppsWithRealTimeAccessBottomSheet.java:5) at us.zoom.proguard.e03$c.onCreateViewHolder (ZmBaseAppsWithRealTimeAccessBottomSheet.java:1) at androidx.recyclerview.widget.RecyclerView$Adapter.createViewHolder (RecyclerView.java:7788) at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline (RecyclerView.java:6873) at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition (RecyclerView.java:6757) at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition (RecyclerView.java:6753) at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next (LinearLayoutManager.java:2362) at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk (LinearLayoutManager.java:1662) at androidx.recyclerview.widget.LinearLayoutManager.fill (LinearLayoutManager.java:1622) at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren (LinearLayoutManager.java:687) at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2 (RecyclerView.java:4645) at androidx.recyclerview.widget.RecyclerView.onMeasure (RecyclerView.java:4022) at us.zoom.uicommon.widget.recyclerview.ZMRecyclerView.onMeasure (ZMRecyclerView.java:5) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.LinearLayout.measureChildBeforeLayout (LinearLayout.java:1552) at android.widget.LinearLayout.measureVertical (LinearLayout.java:842) at android.widget.LinearLayout.onMeasure (LinearLayout.java:721) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at android.view.View.measure (View.java:25532) at com.google.android.material.bottomsheet.BottomSheetBehavior.onMeasureChild (BottomSheetBehavior.java:515) at androidx.coordinatorlayout.widget.CoordinatorLayout.onMeasure (CoordinatorLayout.java:831) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at androidx.appcompat.widget.ContentFrameLayout.onMeasure (ContentFrameLayout.java:141) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.LinearLayout.measureChildBeforeLayout (LinearLayout.java:1552) at android.widget.LinearLayout.measureVertical (LinearLayout.java:842) at android.widget.LinearLayout.onMeasure (LinearLayout.java:721) at android.view.View.measure (View.java:25532) at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:6957) at android.widget.FrameLayout.onMeasure (FrameLayout.java:194) at com.android.internal.policy.DecorView.onMeasure (DecorView.java:794) at android.view.View.measure (View.java:25532) at android.view.ViewRootImpl.performMeasure (ViewRootImpl.java:3534) at android.view.ViewRootImpl.measureHierarchy (ViewRootImpl.java:2373) at android.view.ViewRootImpl.performTraversals (ViewRootImpl.java:2636) at android.view.ViewRootImpl.doTraversal (ViewRootImpl.java:2048) at android.view.ViewRootImpl$TraversalRunnable.run (ViewRootImpl.java:8409) at android.view.Choreographer$CallbackRecord.run (Choreographer.java:972) at android.view.Choreographer.doCallbacks (Choreographer.java:796) at android.view.Choreographer.doFrame (Choreographer.java:731) at android.view.Choreographer$FrameDisplayEventReceiver.run (Choreographer.java:957) at android.os.Handler.handleCallback (Handler.java:938) at android.os.Handler.dispatchMessage (Handler.java:99) at android.os.Looper.loop (Looper.java:250) at android.app.ActivityThread.main (ActivityThread.java:7877) at java.lang.reflect.Method.invoke at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:592) at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:958) Caused by java.lang.ClassNotFoundException: com.google.android.flexbox.FlexboxLayout ``` ---
**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\ **Post date:** [January 15, 2025, 4:54pm UTC](https://devforum.zoom.us/t/class-cast-exception-flexboxlayout/122478/2 "2025-01-15T16:54:51Z")
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