Communicating between more than 2 fragments

Question

I have an activity with three fragments in it, This is how I communicate between the three fragments:

First I display only FragmentA in ActivityA<

Answer 1

In such circumstances in which multiple fragments and activities want to communicate with each other, two options come in mind.

• Java Interfaces - Only one activity and one or more fragments. Each fragment should implement its own interface. Activity is also used for a shared channel among them. Recommended

_{Image source: https://stackoverflow.com/a/24083101/1841194}

• Local broadcasts - Can be used among multiple activities and services. This also can be used for communicating between fragments.

Answer 2

I would also recommend implementing an interface. Here is a good blog post guiding about Inter fragment communication. If you do not want to implement interface then you can use Eventbus. A good library for that would be Otto