Hi all,
i just need some clarification about the best way to design a multi-pane
layout for my app.
More in datail, i'm just interesting in understand how is the better way to
let the fragments communicate with their parent activity.
Accordingly to what described here
http://developer.android.com/design/patterns/multi-pane-layouts.html
http://developer.android.com/design/patterns/multi-pane-layouts.html and
here http://developer.android.com/training/basics/fragments/fragment-ui.html,
i've
designed my UI with the following structure:
- a main activity (let say: A_MAIN)
- a list fragment (F_LIST) and its related activity (A_LIST)
- a detail fragment (F_DET) and its related activity (A_DET)
- an edit fragment (F_EDIT) and its related activity (A_EDIT)
Moreover, each fragment
- defines an interface (OnFragmentInteractionListener) to send the user
action to its parent
- participates to the the action bar with the supported actions
and the main activity (A_MAIN) implements the listener for all fragments
and has the following layouts:
- for smartphone (default), it contains only the F_LIST fragment. When an
item of the list is selected, it starts the A_DET with the F_DET fragment
for the selected item
- for tablet (sw600dp), it contains the F_LIST and F_DET fragments. When
an item of the list is selected, it refreshes the F_DET for the selected
item
The issue is that the parent activity for F_DET could be both A_MAIN or
A_DET hence, in the smartphone scenario, i've some difficulties to send the
listener action to the A_MAIN because it is two levels back (F_DET - A_DET
- A_MAIN)...
Where i'm wrong?
(To better clarify, i just want the same interaction behavior of gMail app
when select an email...)
I wait for your help and advice.
Regards
Sergio
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