about: added source link

lib/widgets/about/about_page.dart

@@ -1,4 +1,5 @@
 import 'package:aves/widgets/about/licenses.dart';
+import 'package:aves/widgets/common/link_chip.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
 
@@ -19,7 +20,9 @@ class AboutPage extends StatelessWidget {
                   delegate: SliverChildListDelegate(
                     [
                       Center(
-                        child: Text.rich(
+                        child: Column(
+                          children: [
+                            Text.rich(
                               TextSpan(
                                 children: [
                                   const TextSpan(text: 'Made with ❤️ and '),
@@ -31,6 +34,14 @@ class AboutPage extends StatelessWidget {
                                 ],
                               ),
                             ),
+                            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(),

lib/widgets/about/licenses.dart

@@ -1,11 +1,11 @@
 import 'package:aves/utils/constants.dart';
 import 'package:aves/utils/durations.dart';
 import 'package:aves/widgets/common/icons.dart';
+import 'package:aves/widgets/common/link_chip.dart';
 import 'package:aves/widgets/common/menu_row.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
-import 'package:url_launcher/url_launcher.dart';
 
 class Licenses extends StatefulWidget {
   @override
@@ -115,8 +115,6 @@ class LicenseRow extends StatelessWidget {
 
   const LicenseRow(this.package);
 
-  static const borderRadius = BorderRadius.all(Radius.circular(8));
-
   @override
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context).textTheme;
@@ -128,50 +126,17 @@ class LicenseRow extends StatelessWidget {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          InkWell(
+          LinkChip(
-            borderRadius: borderRadius,
+            text: package.name,
-            onTap: () => launch(package.sourceUrl),
+            url: package.sourceUrl,
-            child: Padding(
+            textStyle: const TextStyle(fontWeight: FontWeight.bold),
-              padding: const EdgeInsets.all(8),
-              child: Row(
-                mainAxisSize: MainAxisSize.min,
-                children: [
-                  Text(
-                    package.name,
-                    style: const TextStyle(fontWeight: FontWeight.bold),
-                  ),
-                  const SizedBox(width: 8),
-                  Icon(
-                    AIcons.openInNew,
-                    size: bodyTextStyle.fontSize,
-                  )
-                ],
-              ),
-            ),
           ),
           Padding(
             padding: const EdgeInsetsDirectional.only(start: 16),
-            child: InkWell(
+            child: LinkChip(
-              borderRadius: borderRadius,
+              text: package.license,
-              onTap: () => launch(package.licenseUrl),
+              url: package.licenseUrl,
-              child: Padding(
-                padding: const EdgeInsets.all(8.0),
-                child: Row(
-                  mainAxisSize: MainAxisSize.min,
-                  children: [
-                    Text(
-                      package.license,
-                      style: TextStyle(color: subColor),
-                    ),
-                    const SizedBox(width: 8),
-                    Icon(
-                      AIcons.openInNew,
-                      size: bodyTextStyle.fontSize,
               color: subColor,
-                    )
-                  ],
-                ),
-              ),
             ),
           ),
         ],

lib/widgets/common/link_chip.dart

@@ -0,0 +1,53 @@
+import 'package:aves/widgets/common/icons.dart';
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class LinkChip extends StatelessWidget {
+  final String text;
+  final String url;
+  final Color color;
+  final TextStyle textStyle;
+
+  static const borderRadius = BorderRadius.all(Radius.circular(8));
+
+  const LinkChip({
+    Key key,
+    @required this.text,
+    @required this.url,
+    this.color,
+    this.textStyle,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final effectiveTextStyle = (textStyle ?? DefaultTextStyle.of(context).style).copyWith(
+      color: color,
+    );
+    return InkWell(
+      borderRadius: borderRadius,
+      onTap: () async {
+        if (await canLaunch(url)) {
+          await launch(url);
+        }
+      },
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Text(
+              text,
+              style: effectiveTextStyle,
+            ),
+            const SizedBox(width: 8),
+            Icon(
+              AIcons.openInNew,
+              size: Theme.of(context).textTheme.bodyText2.fontSize,
+              color: color,
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}