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Originally Posted by jackie_w
Am I right in thinking the 'live' swipe area is the book cover? If so this may explain why I was getting so many 'missed' swipes yesterday. Anyway, it does seem better with this release  It is still possible to try to go too quickly and sometimes if a swipe is missed the next couple of swipes will also be missed. Perhaps the speed of the device is a factor. My phone's 2-yrs old now. |
Well, today I learned something. Swipe detection in Android is not at all easy.
Without going into too many technical details, when using the suggested implementation a swipe was accurately detected only if it began in "empty" space, such as next to the cover. If it began on anything else, e.g., text, then detection was very problematic and the swipe was lost. To work properly, one must instead use a magic incantation implementation that steals touches for non-empty things, analyzes them, and them passes them down if they aren't interesting. I have done this and now swipes seem to work reliably no matter where they start and end.
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I don't know if this is deliberate. If the grouped item is Title, the group pane still closes after clicking on a first letter. The other grouped items work as advertised.
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Yes, it is deliberate, because first letters for titles are leaf nodes. If the assembled multitudes feel that this is the wrong behavior, I am willing to change it.