Here is the stack trace:
Fatal Exception: java.lang.RuntimeException
Unable to start activity ComponentInfo{com.hubhopper/zendesk.messaging.MessagingActivity}: android.view.InflateException: Binary XML file line #2 in com.hubhopper:layout/zui_activity_messaging: Binary XML file line #2 in com.hubhopper:layout/zui_activity_messaging: Error inflating class zendesk.messaging.ui.MessagingView
Caused by android.view.InflateException
Binary XML file line #2 in com.hubhopper:layout/zui_activity_messaging: Binary XML file line #2 in com.hubhopper:layout/zui_activity_messaging: Error inflating class zendesk.messaging.ui.MessagingView
Caused by android.view.InflateException
Binary XML file line #2 in com.hubhopper:layout/zui_activity_messaging: Error inflating class zendesk.messaging.ui.MessagingView
Caused by java.lang.reflect.InvocationTargetException
Caused by android.view.InflateException
Binary XML file line #13 in com.hubhopper:layout/zui_view_messaging: Failed to resolve attribute at index 4: TypedValue{t=0x2/d=0x7f04000f a=-1}
Caused by java.lang.UnsupportedOperationException
Failed to resolve attribute at index 4: TypedValue{t=0x2/d=0x7f04000f a=-1}
What version of the SDK are you running?
Thanks!