CI: release on tag with Github Actions

.github/workflows/main.yml

@@ -0,0 +1,56 @@
+name: Release an APK and an App Bundle on tagging
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build:
+    name: Build and release artifacts.
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '11.x'
+
+      - uses: subosito/flutter-action@v1
+        with:
+          channel: 'stable'
+
+      - name: Clone the repository.
+        uses: actions/checkout@v2
+
+      - name: Get packages for the Flutter project.
+        run: flutter pub get
+
+      - name: Update the flutter version file.
+        working-directory: ${{ github.workspace }}/scripts
+        run: ./update_flutter_version.sh
+
+      - name: Run the unit tests.
+        run: flutter test
+
+      - name: Build signed artifacts.
+        # `KEY_JKS` should contain the result of:
+        # gpg -c --armor keystore.jks
+        # `KEY_JKS_PASSPHRASE` should contain the passphrase used for the command above
+        run: |
+          echo "${{ secrets.KEY_JKS }}" > release.keystore.asc
+          gpg -d --passphrase "${{ secrets.KEY_JKS_PASSPHRASE }}" --batch release.keystore.asc > $AVES_STORE_FILE
+          rm release.keystore.asc
+          flutter build apk
+          flutter build appbundle
+          rm $AVES_STORE_FILE
+        env:
+          AVES_STORE_FILE: ${{ github.workspace }}/key.jks
+          AVES_STORE_PASSWORD: ${{ secrets.AVES_STORE_PASSWORD }}
+          AVES_KEY_ALIAS: ${{ secrets.AVES_KEY_ALIAS }}
+          AVES_KEY_PASSWORD: ${{ secrets.AVES_KEY_PASSWORD }}
+          AVES_GOOGLE_API_KEY: ${{ secrets.AVES_GOOGLE_API_KEY }}
+
+      - name: Create a release with the APK and App Bundle.
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: "build/app/outputs/apk/release/*.apk,build/app/outputs/bundle/release/*.aab"
+          token: ${{ secrets.RELEASE_WORKFLOW_TOKEN }}

android/app/build.gradle

@@ -27,7 +27,17 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 def keystoreProperties = new Properties()
 def keystorePropertiesFile = rootProject.file('key.properties')
 if (keystorePropertiesFile.exists()) {
+    // for release using credentials stored in a local file
     keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+} else {
+    // for release using credentials in environment variables set up by Github Actions
+    // warning: in property file, single quotes should be escaped with a backslash
+    // but they should not be escaped when stored in env variables
+    keystoreProperties['storeFile'] = System.getenv('AVES_STORE_FILE')
+    keystoreProperties['storePassword'] = System.getenv('AVES_STORE_PASSWORD')
+    keystoreProperties['keyAlias'] = System.getenv('AVES_KEY_ALIAS')
+    keystoreProperties['keyPassword'] = System.getenv('AVES_KEY_PASSWORD')
+    keystoreProperties['googleApiKey'] = System.getenv('AVES_GOOGLE_API_KEY')
 }
 
 android {

lib/flutter_version.dart

@@ -0,0 +1,10 @@
+// run `scripts/update_flutter_version.sh` to update with the content of `flutter --version --machine`
+const Map<String, String> version = {
+  'channel': 'unknown',
+  'dartSdkVersion': 'unknown',
+  'engineRevision': 'unknown',
+  'frameworkCommitDate': 'unknown',
+  'frameworkRevision': 'unknown',
+  'frameworkVersion': 'unknown',
+  'repositoryUrl': 'unknown',
+};

lib/widgets/about/about_page.dart

@@ -1,7 +1,10 @@
+import 'package:aves/flutter_version.dart';
 import 'package:aves/widgets/about/licenses.dart';
+import 'package:aves/widgets/common/aves_logo.dart';
 import 'package:aves/widgets/common/link_chip.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
+import 'package:package_info/package_info.dart';
 
 class AboutPage extends StatelessWidget {
   @override
@@ -19,31 +22,8 @@ class AboutPage extends StatelessWidget {
                 sliver: SliverList(
                   delegate: SliverChildListDelegate(
                     [
-                      Center(
+                      AppReference(),
-                        child: Column(
+                      const SizedBox(height: 16),
-                          children: [
-                            Text.rich(
-                              TextSpan(
-                                children: [
-                                  const TextSpan(text: 'Made with ❤️ and '),
-                                  WidgetSpan(
-                                    child: FlutterLogo(
-                                      size: Theme.of(context).textTheme.bodyText2.fontSize * 1.25,
-                                    ),
-                                  ),
-                                ],
-                              ),
-                            ),
-                            const SizedBox(height: 8),
-                            const LinkChip(
-                              text: 'Sources',
-                              url: 'https://github.com/deckerst/aves',
-                              textStyle: TextStyle(fontWeight: FontWeight.bold),
-                            ),
-                          ],
-                        ),
-                      ),
-                      const SizedBox(height: 8),
                       const Divider(),
                     ],
                   ),
@@ -57,3 +37,71 @@ class AboutPage extends StatelessWidget {
     );
   }
 }
+
+class AppReference extends StatefulWidget {
+  @override
+  _AppReferenceState createState() => _AppReferenceState();
+}
+
+class _AppReferenceState extends State<AppReference> {
+  Future<PackageInfo> packageInfoLoader;
+
+  @override
+  void initState() {
+    super.initState();
+    packageInfoLoader = PackageInfo.fromPlatform();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        children: [
+          _buildAvesLine(),
+          _buildFlutterLine(),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAvesLine() {
+    final textTheme = Theme.of(context).textTheme;
+    final style = textTheme.headline6.copyWith(fontWeight: FontWeight.bold);
+
+    return FutureBuilder<PackageInfo>(
+      future: packageInfoLoader,
+      builder: (context, snapshot) {
+        return LinkChip(
+          leading: AvesLogo(
+            size: style.fontSize * 1.25,
+          ),
+          text: 'Aves ${snapshot.data?.version}',
+          url: 'https://github.com/deckerst/aves',
+          textStyle: style,
+        );
+      },
+    );
+  }
+
+  Widget _buildFlutterLine() {
+    final style = DefaultTextStyle.of(context).style;
+    final subColor = style.color.withOpacity(.6);
+
+    return Text.rich(
+      TextSpan(
+        children: [
+          WidgetSpan(
+            child: Padding(
+              padding: const EdgeInsetsDirectional.only(end: 4),
+              child: FlutterLogo(
+                size: style.fontSize * 1.25,
+              ),
+            ),
+          ),
+          TextSpan(text: 'Flutter ${version['frameworkVersion']}'),
+        ],
+      ),
+      style: TextStyle(color: subColor),
+    );
+  }
+}

lib/widgets/common/link_chip.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class LinkChip extends StatelessWidget {
+  final Widget leading;
   final String text;
   final String url;
   final Color color;
@@ -12,6 +13,7 @@ class LinkChip extends StatelessWidget {
 
   const LinkChip({
     Key key,
+    this.leading,
     @required this.text,
     @required this.url,
     this.color,
@@ -20,32 +22,35 @@ class LinkChip extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final effectiveTextStyle = (textStyle ?? DefaultTextStyle.of(context).style).copyWith(
+    return DefaultTextStyle.merge(
-      color: color,
+      style: (textStyle ?? const TextStyle()).copyWith(color: color),
-    );
+      child: InkWell(
-    return InkWell(
+        borderRadius: borderRadius,
-      borderRadius: borderRadius,
+        onTap: () async {
-      onTap: () async {
+          if (await canLaunch(url)) {
-        if (await canLaunch(url)) {
+            await launch(url);
-          await launch(url);
+          }
-        }
+        },
-      },
+        child: Padding(
-      child: Padding(
+          padding: const EdgeInsets.all(8.0),
-        padding: const EdgeInsets.all(8.0),
+          child: Row(
-        child: Row(
+            mainAxisSize: MainAxisSize.min,
-          mainAxisSize: MainAxisSize.min,
+            children: [
-          children: [
+              if (leading != null) ...[
-            Text(
+                leading,
-              text,
+                const SizedBox(width: 8),
-              style: effectiveTextStyle,
+              ],
-            ),
+              Text(text),
-            const SizedBox(width: 8),
+              const SizedBox(width: 8),
-            Icon(
+              Builder(
-              AIcons.openInNew,
+                builder: (context) => Icon(
-              size: Theme.of(context).textTheme.bodyText2.fontSize,
+                  AIcons.openInNew,
-              color: color,
+                  size: DefaultTextStyle.of(context).style.fontSize,
-            )
+                  color: color,
-          ],
+                ),
+              ),
+            ],
+          ),
         ),
       ),
     );

pubspec.lock

@@ -260,6 +260,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.1"
+  package_info:
+    dependency: "direct main"
+    description:
+      name: package_info
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.1"
   palette_generator:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -57,6 +57,7 @@ dependencies:
   google_maps_flutter:
   intl:
   outline_material_icons:
+  package_info:
   palette_generator:
   pdf:
   pedantic:

scripts/update_flutter_version.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+FILE_PATH="../lib/flutter_version.dart"
+rm "$FILE_PATH"
+echo "Updating flutter_version.dart:"
+{
+  echo "const Map<String, String> version = "
+  flutter --version --machine
+  echo ";"
+} >> "$FILE_PATH"
+cat "$FILE_PATH"