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java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.widget.LinearLayout$LayoutParams

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699) ...
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ClassCastException: LayoutParams cannot be cast to MarginLayoutParams : FlowLayout.onMeasure(FlowLayout.java:60))

I'm not sure about which method invoking throws this exception, because the only stack trace that doesn't belong to Android System API is FlowLayout.onMeasure(FlowLayout.java:60). And this is the list ...