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  • HashMap cannot be cast to ArrayList
    via Stack Overflow by bojan
    • java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Map at com.packtpub.materialdesign4.TileContentFragment$1$1.onDataChange( at Source) at Source) at$ Source) at android.os.Handler.handleCallback( at android.os.Handler.dispatchMessage( at android.os.Looper.loop( at at java.lang.reflect.Method.invoke(Native Method) at$ at
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