@@ -27,17 +27,17 @@ class _DragHandler extends Drag {
2727 final GestureDragEndCallback onEnd;
2828
2929 @override
30- void update (DragUpdateDetails details) {
30+ void update (DragUpdateDetails details) {
3131 onUpdate (details);
3232 }
3333
3434 @override
35- void cancel () {
35+ void cancel () {
3636 onCancel ();
3737 }
3838
3939 @override
40- void end (DragEndDetails details) {
40+ void end (DragEndDetails details) {
4141 onEnd (details);
4242 }
4343}
@@ -152,7 +152,7 @@ class _PointDemoState extends State<_PointDemo> {
152152 return new _DragHandler (_handleDragUpdate, _handleDragCancel, _handleDragEnd);
153153 }
154154
155- void _handleDragUpdate (DragUpdateDetails details) {
155+ void _handleDragUpdate (DragUpdateDetails details) {
156156 switch (_dragTarget) {
157157 case _DragTarget .start:
158158 setState (() {
@@ -167,12 +167,12 @@ class _PointDemoState extends State<_PointDemo> {
167167 }
168168 }
169169
170- void _handleDragCancel () {
170+ void _handleDragCancel () {
171171 _dragTarget = null ;
172172 widget.controller.value = 0.0 ;
173173 }
174174
175- void _handleDragEnd (DragEndDetails details) {
175+ void _handleDragEnd (DragEndDetails details) {
176176 _dragTarget = null ;
177177 }
178178
@@ -319,7 +319,7 @@ class _RectangleDemoState extends State<_RectangleDemo> {
319319 return new _DragHandler (_handleDragUpdate, _handleDragCancel, _handleDragEnd);
320320 }
321321
322- void _handleDragUpdate (DragUpdateDetails details) {
322+ void _handleDragUpdate (DragUpdateDetails details) {
323323 switch (_dragTarget) {
324324 case _DragTarget .start:
325325 setState (() {
@@ -334,12 +334,12 @@ class _RectangleDemoState extends State<_RectangleDemo> {
334334 }
335335 }
336336
337- void _handleDragCancel () {
337+ void _handleDragCancel () {
338338 _dragTarget = null ;
339339 widget.controller.value = 0.0 ;
340340 }
341341
342- void _handleDragEnd (DragEndDetails details) {
342+ void _handleDragEnd (DragEndDetails details) {
343343 _dragTarget = null ;
344344 }
345345
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