Fixes #31

Author: letsar

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.4.7
+### Fixed
+* https://github.com/letsar/flutter_slidable/issues/31 (Issue with dismiss animation).
+
 ## 0.4.6
 ### Modified
 * Reduce the possibilities for the https://github.com/flutter/flutter/issues/11895 issue to happen.

README.md

@@ -27,7 +27,7 @@ In the `pubspec.yaml` of your flutter project, add the following dependency:
 ```yaml
 dependencies:
   ...
-  flutter_slidable: "^0.4.6"
+  flutter_slidable: "^0.4.7"
 ```
 
 In your library add the following import:
@@ -39,7 +39,9 @@ import 'package:flutter_slidable/flutter_slidable.dart';
 For help getting started with Flutter, view the online [documentation](https://flutter.io/).
 
 ### Constructors
+
 You can create a `Slidable` in two different ways:
+
 * By calling the `Slidable` constructor and passing a list of slide actions.
 * By calling the `Slidable.builder` constructor and passing slide action builders, if you want special effects during the animation.
 

example/lib/main.dart

@@ -234,7 +234,32 @@ class _MyHomePageState extends State<MyHomePage> {
                         ? Colors.blue
                         : Colors.green),
                 icon: Icons.archive,
-                onTap: () => _showSnackBar(context, 'Archive'),
+                onTap: () async {
+                  var state = Slidable.of(context);
+                  var dismiss = await showDialog<bool>(
+                    context: context,
+                    builder: (context) {
+                      return new AlertDialog(
+                        title: new Text('Delete'),
+                        content: new Text('Item will be deleted'),
+                        actions: <Widget>[
+                          new FlatButton(
+                            child: new Text('Cancel'),
+                            onPressed: () => Navigator.of(context).pop(false),
+                          ),
+                          new FlatButton(
+                            child: new Text('Ok'),
+                            onPressed: () => Navigator.of(context).pop(true),
+                          ),
+                        ],
+                      );
+                    },
+                  );
+
+                  if (dismiss) {
+                    state.dismiss();
+                  }
+                },
               );
             } else {
               return new IconSlideAction(

lib/src/widgets/slidable.dart

@@ -812,6 +812,7 @@ class SlidableState extends State<Slidable>
   ScrollPosition _scrollPosition;
   bool _dragUnderway = false;
   Size _sizePriorToCollapse;
+  bool _dismissing = false;
 
   SlideActionType get actionType =>
       dragSign > 0 ? SlideActionType.primary : SlideActionType.secondary;
@@ -902,12 +903,15 @@ class SlidableState extends State<Slidable>
   }
 
   void close() {
-    _actionsMoveController.fling(velocity: -1.0);
-    _overallMoveController.fling(velocity: -1.0);
+    if (!_dismissing) {
+      _actionsMoveController.fling(velocity: -1.0);
+      _overallMoveController.fling(velocity: -1.0);
+    }
   }
 
   void dismiss({SlideActionType actionType}) {
     if (dismissible) {
+      _dismissing = true;
       actionType ??= this.actionType;
       if (actionType != this.actionType) {
         setState(() {
@@ -1003,10 +1007,13 @@ class SlidableState extends State<Slidable>
         if (widget.slideToDismissDelegate.onWillDismiss == null ||
             await widget.slideToDismissDelegate.onWillDismiss(actionType)) {
           _startResizeAnimation();
-        } else if (widget.slideToDismissDelegate?.closeOnCanceled == true) {
-          close();
         } else {
-          open();
+          _dismissing = false;
+          if (widget.slideToDismissDelegate?.closeOnCanceled == true) {
+            close();
+          } else {
+            open();
+          }
         }
       }
       updateKeepAlive();

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_slidable
 description: A Flutter implementation of slidable list item with directional slide actions that can be dismissed.
-version: 0.4.6
+version: 0.4.7
 author: Romain Rastel <[email protected]>
 homepage: https://github.com/letsar/flutter_slidable