Android Programming: The Big Nerd Ranch Guide, Third Edition

Fragment Arguments

Every fragment instance can have a Bundle object attached to it. This bundle contains key-value pairs that work just like the intent extras of an Activity. Each pair is known as an argument.

To create fragment arguments, you first create a Bundle object. Next, you use type-specific “put” methods of Bundle (similar to those of Intent) to add arguments to the bundle:

    Bundle args = new Bundle();
    args.putSerializable(ARG_MY_OBJECT, myObject);
    args.putInt(ARG_MY_INT, myInt);
    args.putCharSequence(ARG_MY_STRING, myString);

Attaching arguments to a fragment

To attach the arguments bundle to a fragment, you call Fragment.setArguments(Bundle). Attaching arguments to a fragment must be done after the fragment ...