/** GestureDetector({ Key key, this.child, this.onTapDown,//可能导致点击的指针已联系到屏幕的特定位置 this.onTapUp,//触发点的指针已停止在特定位置与屏幕联系 this.onTap,//发生了点击。 this.onTapCancel,//触发onTapDown的指针取消触发 this.onDoubleTap,//双击 this.onLongPress,//长按 this.onLongPressUp,//长按结束 this.onVerticalDragDown,// this.onVerticalDragStart,//指针已经接触到屏幕,而且可能开始垂直移动。 this.onVerticalDragUpdate,//与屏幕接触并垂直移动的指针沿垂直方向移动 this.onVerticalDragEnd,//以前与屏幕接触并垂直移动的指针不再与屏幕接触,并且当其停止接触屏幕时以特定速度移动。 this.onVerticalDragCancel,// this.onHorizontalDragDown,// this.onHorizontalDragStart,// this.onHorizontalDragUpdate,// this.onHorizontalDragEnd,// this.onHorizontalDragCancel,// // onPan可以取代onVerticalDrag或者onHorizontalDrag,三者不能并存 this.onPanDown,//指针已经接触屏幕并开始移动 this.onPanStart,//与屏幕接触并移动的指针再次移动 this.onPanUpdate,//先前与屏幕接触并移动的指针不再与屏幕接触,并且当它停止接触屏幕时以特定速度移动 this.onPanEnd,//先前触发 onPanDown 的指针未完成 this.onPanCancel,// // onScale可以取代onVerticalDrag或者onHorizontalDrag,三者不能并存,不能与onPan并存 this.onScaleStart,// this.onScaleUpdate,// this.onScaleEnd,// this.behavior, this.excludeFromSemantics = false }) */
使用方法:
body: GestureDetector( child: Container( width: 400.0, height: 600.0, color: Color(0xffff0000),), onTapDown: (_) => debugPrint("onTapDown"), onTapUp: (_) => debugPrint("onTapUp"), onTap: () => debugPrint("onTap"), onTapCancel: () => debugPrint("onTapCancel"), onDoubleTap: () => debugPrint("onDoubleTap"), onLongPress: () => debugPrint("onLongPress"), onLongPressUp: () => debugPrint("onLongPressUp"), onVerticalDragDown: (_) => debugPrint("onVerticalDragDown"), onVerticalDragStart: (_) => debugPrint("onVerticalDragStart"), onVerticalDragUpdate: (_) => debugPrint("onVerticalDragUpdate"), onVerticalDragEnd: (_) => debugPrint("onVerticalDragEnd"), onVerticalDragCancel: () => debugPrint("onVerticalDragCancel"), // onHorizontalDragDown: (_) => debugPrint("onHorizontalDragDown"), // onHorizontalDragStart: (_) => debugPrint("onHorizontalDragStart"), // onHorizontalDragUpdate: (_) => debugPrint("onHorizontalDragUpdate"), // onHorizontalDragEnd: (_) => debugPrint("onHorizontalDragEnd"), // onHorizontalDragCancel: () => debugPrint("onHorizontalDragCancel"), // onPanDown: (_) => debugPrint("onPanDown"), // onPanStart: (_) => debugPrint("onPanStart"), // onPanUpdate: (_) => debugPrint("onPanUpdate"), // onPanEnd: (_) => debugPrint("onPanEnd"), // onPanCancel: () => debugPrint("onPanCancel"), onScaleStart: (_) => debugPrint("onScaleStart"), onScaleUpdate: (_) => debugPrint("onScaleUpdate"), onScaleEnd: (_) => debugPrint("onScaleEnd"), ),
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