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

You can use the ApplicationContext too. In your Manifest, you should have something like this :

Now, you can access to the Application from any Activity thanks to :

MyApp application = (MyApp)this.getApplicationContext();

You can put your attributes in this class, it'll be accessible anywhere in your app. MyApp must extends Application. See Manifest and Application