new sync list items layout ++ objects in AvailableListeFrontend    ==> nearby ready.  (download / initResponse ONLY !!)
Login ==
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-- Clear globally the activity : remove autocomplete and all dependencies, add back button repeat count,
-- try to hide keyboard but don't work.
-- try to show progress but don't work.
-- etc ...

Work fine as it is but it's not real good experience

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Sync && SyncListener && AppDataProvider
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-- Cleared calls to examples
-- Now tracking the right process :
       -> check if file -> read file or display nothing
       -> if sync button pressed -> check if results in folder (still missing) -> request and read response to write file and display list in "real-time"