September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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Pan
The pan version is also very similar. The significant differences this time are in addition to the callback properties, which are now onPanStart, onPanUpdate, and onPanEnd. For pan drags, both axis offsets are evaluated; that is, both delta values in DragUpdateDetails are present, so the dragging has no limitation on direction.
You can find the source code of the gestures/lib/example_widgets/pan_example_event.dart file on GitHub.
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