java - Inertial movement of drag and drop -


i'm working on drag , drop code, far works fine, need able recognize , act based on speed , direction of finger swipe (keep moving if finger up, aka adding inertia). better example of facebook chatheads:

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i had use custom ontouchevent listener, , use velocitytracker determine distance of inerce movement. use translate animator , override onanimationend set actual view margins new place, , that's :)


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