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Update bottom_drag_widget.dart #67

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68 changes: 32 additions & 36 deletions lib/widgets/bottom_drag_widget.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ class DragContainer extends StatefulWidget {
: assert(drawer != null),
assert(defaultShowHeight != null),
assert(height != null),
super(key: key){
super(key: key) {
_controller = DragController();
}

Expand Down Expand Up @@ -86,15 +86,15 @@ class _DragContainerState extends State<DragContainer>

// if (controller != null) {
_controller
.setDrag((double value, ScrollNotificationListener notification) {
if (notification != ScrollNotificationListener.edge) {
_handleDragEnd(null);
} else {
setState(() {
offsetDistance = offsetDistance + value;
});
}
});
.setDrag((double value, ScrollNotificationListener notification) {
if (notification != ScrollNotificationListener.edge) {
_handleDragEnd(null);
} else {
setState(() {
offsetDistance = offsetDistance + value;
});
}
});
// }
super.initState();
}
Expand All @@ -104,8 +104,8 @@ class _DragContainerState extends State<DragContainer>
return GestureRecognizerFactoryWithHandlers<
MyVerticalDragGestureRecognizer>(
() => MyVerticalDragGestureRecognizer(flingListener: (bool isFling) {
_isFling = isFling;
}), //constructor
_isFling = isFling;
}), //constructor
(MyVerticalDragGestureRecognizer instance) {
//initializer
instance
Expand Down Expand Up @@ -197,6 +197,7 @@ class _DragContainerState extends State<DragContainer>
setState(() {});
}
});

///自己滚动
animalController.forward();
}
Expand Down Expand Up @@ -317,6 +318,7 @@ class OverscrollNotificationWidget extends StatefulWidget {
super(key: key);

final Widget child;

// final ScrollListener scrollListener;

@override
Expand All @@ -342,37 +344,31 @@ class OverscrollNotificationWidgetState
@override
Widget build(BuildContext context) {
print('NotificationListener build');
final Widget child = NotificationListener<ScrollStartNotification>(
key: _key,
child: NotificationListener<ScrollUpdateNotification>(
child: NotificationListener<OverscrollNotification>(
child: NotificationListener<ScrollEndNotification>(
child: widget.child,
onNotification: (ScrollEndNotification notification) {
_controller.updateDragDistance(
0.0, ScrollNotificationListener.end);
return false;
},
),
onNotification: (OverscrollNotification notification) {

final Widget child = NotificationListener<ScrollNotification>(
key: _key,
child: widget.child,
onNotification: (ScrollNotification notification) {
if (notification is ScrollEndNotification) {
_controller.updateDragDistance(0.0, ScrollNotificationListener.end);
return false;
} else if (notification is OverscrollNotification) {
if (notification.dragDetails != null &&
notification.dragDetails.delta != null) {
_controller.updateDragDistance(notification.dragDetails.delta.dy,
ScrollNotificationListener.edge);
}
return false;
},
),
onNotification: (ScrollUpdateNotification notification) {
return false;
},
),
onNotification: (ScrollStartNotification scrollUpdateNotification) {
_controller.updateDragDistance(0.0, ScrollNotificationListener.start);
return false;
},
);
} else if (notification is ScrollUpdateNotification) {
return false;
} else if (notification is ScrollStartNotification) {
_controller.updateDragDistance(
0.0, ScrollNotificationListener.start);
return false;
}

return false;
});
return child;
}
}
Expand Down