Merge branch 'develop'

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 1.3.1
+- Cannot use the same id
+
 # 1.3.0
 - Get id by scroll position
 - To set ScrollController

README.md

@@ -11,7 +11,7 @@ You should add the following to your `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  scroll_to_id: ^1.3.0
+  scroll_to_id: ^1.3.1
 ```
 
 ## Getting Started
@@ -22,9 +22,14 @@ To start, import the dependency in your code:
 import 'package:scroll_to_id/scroll_to_id.dart';
 ```
 
-Next, to create instance:
+Next, to define ScrollController:
 ```dart
-final ScrollToId scrollToId = ScrollToId();
+final scrollController = ScrollController();
+```
+
+Next, to create instance with ScrollController:
+```dart
+ScrollToId scrollToId = ScrollToId(scrollController: scrollController);
 ```
 
 Next, to set InteractiveScrollViewer and ScrollContent:
@@ -54,6 +59,7 @@ InteractiveScrollViewer(
 ```
 
 id property is destination of scroll.
+Do not use the same id.
 
 Next, to scroll to id:
 

example/pubspec.lock

@@ -94,7 +94,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.2.1"
+    version: "1.3.0"
   sky_engine:
     dependency: transitive
     description: flutter

lib/src/interactive_scroll_viewer.dart

@@ -24,6 +24,8 @@ class InteractiveScrollViewer extends StatefulWidget {
 }
 
 class _InteractiveScrollViewerState extends State<InteractiveScrollViewer> {
+  List<String> _idList = [];
+
   @override
   void initState() {
     super.initState();
@@ -33,6 +35,11 @@ class _InteractiveScrollViewerState extends State<InteractiveScrollViewer> {
 
     /// Convert ScrollContent to ScrollContentWithKey
     for (ScrollContent scrollContents in widget.children) {
+      if (_idList.contains(scrollContents.id)) {
+        throw Exception('Do not use the same id');
+      } else {
+        _idList.add(scrollContents.id);
+      }
       widget.scrollToId.scrollContentsList
           .add(ScrollContentWithKey.fromWithout(scrollContents));
     }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: scroll_to_id
 description: scroll_to_id is a Flutter library that enables screen to auto-scroll by selecting id defined for each widget in scrollview.
-version: 1.3.0
+version: 1.3.1
 homepage: https://github.com/yusukeinouehatchout/scroll_to_id
 
 environment: