java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object android.widget.Adapter.getItem(int)' on a null object reference
	at x4.d1.G(Unknown Source:167)
	at x4.d1.S(Unknown Source:18)
	at x4.d1.onClick(Unknown Source:0)
	at android.view.View.performClick(View.java:6291)
	at android.view.View$PerformClick.run(View.java:24931)
	at android.os.Handler.handleCallback(Handler.java:808)
	at android.os.Handler.dispatchMessage(Handler.java:101)
	at android.os.Looper.loop(Looper.java:166)
	at android.app.ActivityThread.main(ActivityThread.java:7425)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)