java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources$Theme android.content.Context.getTheme()' on a null object reference
	at android.app.AlertDialog.resolveDialogTheme(AlertDialog.java:232)
	at android.app.AlertDialog.<init>(AlertDialog.java:209)
	at android.app.AlertDialog.<init>(AlertDialog.java:205)
	at android.app.AlertDialog.<init>(AlertDialog.java:150)
	at android.app.ProgressDialog.<init>(ProgressDialog.java:99)
	at android.app.ProgressDialog.show(ProgressDialog.java:184)
	at android.app.ProgressDialog.show(ProgressDialog.java:164)
	at d4.w.Q0(Unknown Source:240)
	at d4.w.B(Unknown Source:0)
	at d4.w$f.onClick(Unknown Source:14)
	at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:193)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:240)
	at android.os.Looper.loop(Looper.java:351)
	at android.app.ActivityThread.main(ActivityThread.java:8377)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)