keeping a variable value across all android activities

Question

I have a database with one row of data that will be used across a number of activities. I need to be able to keep the row id available in all activites so I can read and wri

Answer 1

Another way is to create a application class which is available for all activities. To do that, you have to extend you Manifest with

and create a new Class

public class MyApplication extends Application {
public int rowId = 0;
}

inside the activities, you can access the rowId by

int mRowId = ((MyApplication) getApplicationContext()).rowId;