gesture_x_detector 1.1.1 gesture_x_detector: ^1.1.1 copied to clipboard
a lightweight gesture detector that supports multiple types(Tap, DoubleTap, Scale, Long-Press, Move) and all callbacks can be used simultaneously
import 'package:flutter/material.dart';
import 'package:gesture_x_detector/gesture_x_detector.dart';
void main() {
runApp(
MaterialApp(
home: XGestureExample(),
),
);
}
class XGestureExample extends StatefulWidget {
@override
_XGestureExampleState createState() => _XGestureExampleState();
}
class _XGestureExampleState extends State<XGestureExample> {
String lastEventName = 'Tap on screen';
@override
Widget build(BuildContext context) {
return XGestureDetector(
child: Material(
child: Center(
child: Text(
lastEventName,
style: TextStyle(fontSize: 30),
),
),
),
doubleTapTimeConsider: 300,
longPressTimeConsider: 350,
onTap: onTap,
onDoubleTap: onDoubleTap,
onLongPress: onLongPress,
onLongPressEnd: onLongPressEnd,
onMoveStart: onMoveStart,
onMoveEnd: onMoveEnd,
onMoveUpdate: onMoveUpdate,
onScaleStart: onScaleStart,
onScaleUpdate: onScaleUpdate,
onScaleEnd: onScaleEnd,
bypassTapEventOnDoubleTap: false,
onLongPressMove: onLongPressMove,
onScrollEvent: onScrollEvent,
longPressMaximumRangeAllowed: 25,
);
}
void onScrollEvent(ScrollEvent event) {
setLastEventName('onLongPressMove');
print('scrolling - pos: ${event.localPos} delta: ${event.scrollDelta}');
}
void onLongPressMove(MoveEvent event) {
setLastEventName('onLongPressMove');
print('onMoveUpdate - pos: ${event.localPos} delta: ${event.delta}');
}
void onLongPressEnd() {
setLastEventName('onLongPressEnd');
print('onLongPressEnd');
}
void onScaleEnd() {
setLastEventName('onScaleEnd');
print('onScaleEnd');
}
void onScaleUpdate(ScaleEvent event) {
setLastEventName('onScaleUpdate');
print(
'onScaleUpdate - changedFocusPoint: ${event.focalPoint} ; scale: ${event.scale} ;Rotation: ${event.rotationAngle}');
}
void onScaleStart(initialFocusPoint) {
setLastEventName('onScaleStart');
print('onScaleStart - initialFocusPoint: $initialFocusPoint');
}
void onMoveUpdate(MoveEvent event) {
setLastEventName('onMoveUpdate');
print('onMoveUpdate - pos: ${event.localPos} delta: ${event.delta}');
}
void onMoveEnd(localPos) {
setLastEventName('onMoveEnd');
print('onMoveEnd - pos: $localPos');
}
void onMoveStart(localPos) {
setLastEventName('onMoveStart');
print('onMoveStart - pos: $localPos');
}
void onLongPress(TapEvent event) {
setLastEventName('onLongPress');
print('onLongPress - pos: ${event.localPos}');
}
void onDoubleTap(event) {
setLastEventName('onDoubleTap');
print('onDoubleTap - pos: ' + event.localPos.toString());
}
void onTap(event) {
setLastEventName('onTap');
print('onTap - pos: ' + event.localPos.toString());
}
void setLastEventName(String eventName) {
setState(() {
lastEventName = eventName;
});
}
}