java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources$Theme android.content.Context.getTheme()' on a null object reference
	at android.app.AlertDialog.resolveDialogTheme(AlertDialog.java:222)
	at android.app.AlertDialog.<init>(AlertDialog.java:200)
	at android.app.AlertDialog.<init>(AlertDialog.java:196)
	at android.app.AlertDialog.<init>(AlertDialog.java:141)
	at android.app.ProgressDialog.<init>(ProgressDialog.java:77)
	at c4.c1.K(SourceFile)
	at c4.c1$q.f1(SourceFile)
	at c4.c1$q.onPostExecute(SourceFile)
	at android.os.AsyncTask.finish(AsyncTask.java:660)
	at android.os.AsyncTask.-wrap1(AsyncTask.java)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:677)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:165)
	at android.app.ActivityThread.main(ActivityThread.java:6375)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:802)