Add github workflow

.github/workflows/main.yml

@@ -0,0 +1,31 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/[email protected]
+      - name: Install Dependencies
+        run: flutter packages get
+      - name: Format
+        run: flutter format --set-exit-if-changed lib test
+      - name: Analyze
+        run: flutter analyze lib test
+      - name: Run tests
+        run: flutter test --no-pub --coverage --test-randomize-ordering-seed random

README.md

@@ -1,4 +1,7 @@
+
 # Sticky grouped list package for Flutter.
+[![Pub](https://img.shields.io/pub/v/sticky_grouped_list.svg)](https://pub.dev/packages/sticky_grouped_list)
+![CI](https://github.com/Dimibe/sticky_grouped_list/workflows/CI/badge.svg?branch=master)
 
 A ListView with sticky headers in which list items can be grouped to sections. Based on [scrollable_positioned_list](https://pub.dev/packages/scrollable_positioned_list).
 

test/sticky_grouped_list_test.dart

@@ -3,17 +3,16 @@ import 'package:flutter_test/flutter_test.dart';
 
 import 'package:sticky_grouped_list/sticky_grouped_list.dart';
 
-
 final List _elements = [
   {'name': 'John', 'group': 'Team A'},
   //{'name': 'Will', 'group': 'Team B'},
- // {'name': 'Beth', 'group': 'Team A'},
+  // {'name': 'Beth', 'group': 'Team A'},
   {'name': 'Miranda', 'group': 'Team B'},
- // {'name': 'Mike', 'group': 'Team C'},
- {'name': 'Danny', 'group': 'Team C'},
+  // {'name': 'Mike', 'group': 'Team C'},
+  {'name': 'Danny', 'group': 'Team C'},
 ];
 void main() {
-Widget _buildGroupSeperator(dynamic element) {
+  Widget _buildGroupSeperator(dynamic element) {
     return Text(element['group']);
   }
 
@@ -24,7 +23,7 @@ Widget _buildGroupSeperator(dynamic element) {
           body: StickyGroupedListView(
             groupBy: (element) => element['group'],
             elements: _elements,
-            order:StickyGroupedListOrder.DESC,
+            order: StickyGroupedListOrder.DESC,
             groupSeparatorBuilder: _buildGroupSeperator,
             itemBuilder: (context, element) => Text(element['name']),
           ),
@@ -54,7 +53,8 @@ Widget _buildGroupSeperator(dynamic element) {
     );
   });
 
-  testWidgets('finds only one group separator per group', (WidgetTester tester) async {
+  testWidgets('finds only one group separator per group',
+      (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(