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How facebook app implements draggable floating Button

I´m trying to get some information about how I could implement such a Button like Facebook does in the new version of the app. Actually I am not sure if this button comes from Facebook or from Facebook messenge app but it was the easiest way to have an example of what I would like to achieve.

They add a draggable floating Button anywhere you are when getting a new message notification, anybody has and idea about how they achieved that?

Thanks in advance.

Edited:

Toucher: other app which uses what I´d like to achieve. Just below can find a link from Google Play

https://play.google.com/store/apps/details?id=com.gau.go.touchhelperex&feature=nav_result#?t=W251bGwsMSwxLDMsImNvbS5nYXUuZ28udG91Y2hoZWxwZXJleCJd

like image 723
Carlos Morera Avatar asked Apr 16 '13 12:04

Carlos Morera


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1 Answers

see if this help

http://forum.xda-developers.com/showthread.php?t=1688531

this library has drag view outside the app

like image 66
Claudio Jundi Sassaki Avatar answered Sep 21 '22 06:09

Claudio Jundi Sassaki