How to pass a value to an activity from another WITHOUT starting it?

Question

I want to pass a value from activity A to activity B without actually starting the activity B (therefore this rules out the use of Intents and putExtra). The activity B may or may not be started but when it does it needs to display the value passed to it by activity A.

I searched high and low but couldn't find any relevant solution to this seemingly simple question. Any help will be appreciated!

Answer 1

Use global class like :

public class AppConfig {

    Context context;
    public AppConfig(Context mxt) {

        context = mxt;
    }

    public static String filepath = null;

Then, in activity A before onCreate() :

AppConfig config;
Context context;

and in onCreate() method put this :

context = getApplicationContext();
config = new AppConfig(context);

And, in second Activity B before onCreate() :

AppConfig config;
Context context;

And, in onCreate() method put this :

context = getApplicationContext();
config = new AppConfig(context);

And set the value where you want. Hope this will help you.