java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
	at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:254)
	at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:194)
	at f4.a.m(Unknown Source:0)
	at d4.a1.S(Unknown Source:42)
	at d4.a1$j.f1(Unknown Source:48)
	at d4.a1$j.onPostExecute(Unknown Source:2)
	at android.os.AsyncTask.finish(AsyncTask.java:695)
	at android.os.AsyncTask.-wrap1(Unknown Source:0)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:712)
	at android.os.Handler.dispatchMessage(Handler.java:105)
	at android.os.Looper.loop(Looper.java:164)
	at android.app.ActivityThread.main(ActivityThread.java:6942)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)