Communicative Between Fragments on Android

Question

I am attempting to build an Android application that has two tabs, one for a textField/button and TreeMenu (where each element has a checkbox associated with it) and another for

Answer 1

A singleton class could help solve your problem.

public class GlobalApp {
    private static GlobalApp instance = new GlobalApp();

    private GlobalApp() {}

    public static GlobalApp getInstance() {
        return instance;
    }

    public ArrayList < ClassName > varName = new ArrayList < ClassName > ();

}

Then use in your class like this..

GlobalApp.getInstance().varName