Android - swipe left|right . gesture detection?

I think that's precisely the problem you're going to face unless you detect the swipe on all visual objects The more buttons (or other widgets) on the screen, the more accurate a user will have to be when they start/end the swipe gesture - in other words they'd need to start/end both in gaps between your buttons To detect a swipe requires start and end locations - if the user starts and ends on buttons (which aren't listening for the swipe) then a swipe won't be detected. Similarly, starting on a button and ending in a 'gap' (or vice versa) won't detect a valid swipe either because only one of the start/end points is valid for 'swipe detection The best approach I can think of (although I've never tried myself) is to use a GestureOverlayView. This allows you to have a transparent overlay on top of your background view(s) and can be used to detect things like 'swipe' without your underlying views needing to know about gestures See this in the developers resources Gestures.

I think that's precisely the problem you're going to face unless you detect the swipe on all visual objects. The more buttons (or other widgets) on the screen, the more accurate a user will have to be when they start/end the swipe gesture - in other words they'd need to start/end both in gaps between your buttons. To detect a swipe requires start and end locations - if the user starts and ends on buttons (which aren't listening for the swipe) then a swipe won't be detected.

Similarly, starting on a button and ending in a 'gap' (or vice versa) won't detect a valid swipe either because only one of the start/end points is valid for 'swipe detection'. The best approach I can think of (although I've never tried myself) is to use a GestureOverlayView. This allows you to have a transparent overlay on top of your background view(s) and can be used to detect things like 'swipe' without your underlying views needing to know about gestures.

See this in the developers resources Gestures.

. Great Answer.. totally made it clear for me! Will have to look on the GEstureOverlayView very soon.. thank you.

– cornelyus Mar 30 at 9:45.

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