move_detector

Description:

move detector

Move Detector #
The easy way to detect touch movements on screen in Flutter.
Getting Started #
Add dependency to your project.
$ flutter pub add move_detector
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or
dependencies:
move_detector: ^0.0.2
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Then run flutter pub get.
Usage #
Here is a simple way of using MoveDetector.
import 'package:move_detector/move_detector.dart';
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MoveDetector(
child: ..., // your child widget
onStart: (MoveDetails details) {
// do something when pointer on screen starting to move
},
onUpdate: (MoveDetails details) {
// do something when pointer on screen is moving
},
onEnd: (MoveDetails details) {
// do something when pointer on screen stop moving
},
)
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And here is the details of each MoveDetails.
// Coordinate of the position of the pointer,
// in logical pixels in the global coordinate space.
Offset position

// The [position] transformed into the local coordinate system.
Offset localPosition

// Distance in logical pixels that the pointer has moved since the last [MoveEvent].
Offset delta

// The [delta] transformed into the local coordinate system.
Offset localDelta
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Example #
Check out example project here. You can also try the working example app: move_detector.apk.