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marcojakob / dart-dnd

Drag and Drop for Dart web apps with mouse and touch support.
https://code.makery.ch/library/dart-drag-and-drop/
MIT License
135 stars 86 forks source link

touch gesture interpreted by OS during drag #24

Closed pslavers closed 6 years ago

pslavers commented 6 years ago

Firstly, thanks for a great library. I am trying to do DnD on touch devices. However, the drag gesture also has an effect on the whole page. Using your example: https://github.com/marcojakob/dart-dnd/tree/master/example/basic On an iPhone or iPad while dragging the paper (which becomes a face) the whole page moves.

Do you know how to stop this?

Finally, you library is the only one I could get to work with the Chrome Developer Tools Touch mode!! Cheers, Phil.

marcojakob commented 6 years ago

Are you building the examples from source? The examples on the code.makery.ch website are not yet the latest version (I will need to update this).

If it doesn't work with the newest version I'd guess the problem is something with preventDefault. I don't have an Apple-Touch device but I might be able to help a bit more next week after my vacation.

pslavers commented 6 years ago

I have recompiled after doing an 'upgrade dependencies'. If works perfectly on: - Chrome on an iPhone. - Chrome on an iPad - Safari on an iPhone it does not work on: - Safari on an iPad. However, I believe the issue is a Safari version issue, not a dnd issue. Thanks for your help, sorry to have wasted your time. I will close the issue.

marcojakob commented 6 years ago

Thanks @pslavers for reporting and testing it on the various devices.