Flutter for Beginners

Gestures

Although possible, it is not always practical to handle pointer events by ourselves using the Listener widget. Instead, the events can be handled on the second layer of the Flutter gesture system. The gestures are recognized from multiple pointer events, and even multiple individual pointers (multitouch). There are multiple kinds of gestures that can be handled:

• Tap: A single tap/touch on the device screen.
• Double tap: A double quick tap on the same location on the device screen.
• Press and long press: A press on the device screen, similar to tap, but contacting the screen for a long period of time before release.
• Drag: A press that starts with a pointer contacting the screen in some location, which is then moved and stops contacting ...