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21-Jan-2017 |
Sunny Goyal <sunnygoyal@google.com> |
Adding support for drag and drop for requestPinItem.
On long pressing, the confirmation activity starts a system
drag-n-drop and focuses the launcher activity. We then drive
the launcher drag controller using the system drag event
Caveats:
> We use a transparent preview for system drag and drop and use
a view inside launcher for actual preview. This gives us better
control over various animations.
> The parameters for drag operation are passed to the Launcher
activity using the intent. Since onNewIntent and onDragEvent
come at different times and are not associated, a random uuid
is used as mime-type to match the drag event with intent params
> If the workspace is locked (eg, loader is running) the drag
operation is simply dropped. Will be imporved in follow up cls
Bug: 33584624
Change-Id: I0bb5b25b690f86b6af31a14e11beb669fcb3a281
/packages/apps/Launcher3/src/com/android/launcher3/dragndrop/FlingToDeleteHelper.java
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