java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
	at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:223)
	at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:163)
	at f4.a.m(SourceFile)
	at d4.a1.S(SourceFile)
	at d4.a1$j.f1(SourceFile)
	at d4.a1$j.onPostExecute(SourceFile)
	at android.os.AsyncTask.finish(AsyncTask.java:660)
	at android.os.AsyncTask.-wrap1(AsyncTask.java)
	at android.os.AsyncTask$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)