Communicating between fragment and activity

Communicating between fragment and activity


The easiest way to communicate between your activity and fragments is using interfaces or parameters.

There are different ways to communicate:

*From activity to Fragment:

1. When it is instantiated, We can pass a parameter (Send data from activity to fragment in android)
2. When it was instantiated, We can call a fragment’s method from activity.(Send data from activity to fragment on android II)
3. When we use a TabBar with some fragments, We use a interface in our Adapter.(Communicating activity with fragments in TabBar)

*From fragment to activity:

1. When we need to communicate with activity from fragment, we use a interface. The idea is basically to define an interface a given fragment with onAttach(Activity activity) and onDetach(), and let the activity implement that interface.(Listener from fragment to activity)

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