How to Send Data to a New Fragment with a Factory Method – Android Studio Tutorial
Since the Android system uses the default no-arg constructor when recreating a fragment, we should not pass values over an overloaded constructor with arguments when we instantiate it. Otherwise we get a warning that says « Avoid non-default constructors in fragments: use a default constructor plus Fragment setArguments(Bundle) instead » or we even get an InstantiationException.
The correct way to instantiate a new fragment and passing values to it, is by creating a bundle, setting arguments on this bundle and then passing it to our fragment. Inside the fragment we then retrieve this bundle and get the values out of it. A clean way to do this is by creating a so called « factory method ».
Example code:
https://gist.github.com/codinginflow/a05784462aa8e2a60961539ecd803110
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