Add about dialog placeholder

lib/widgets/app_drawer.dart

@@ -1,5 +1,7 @@
+import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:url_launcher/url_launcher.dart';
 import 'package:wger/locale/locales.dart';
 import 'package:wger/providers/auth.dart';
 import 'package:wger/screens/dashboard.dart';
@@ -58,8 +60,20 @@ class AppDrawer extends StatelessWidget {
             leading: Icon(Icons.edit),
             title: Text('Options'),
             onTap: () {
-              Navigator.of(context).pop();
-              Navigator.of(context).pushReplacementNamed(WeightScreen.routeName);
+              showDialog(
+                context: context,
+                builder: (context) => AlertDialog(
+                  content: Text("Would show options dialog"),
+                  actions: [
+                    TextButton(
+                      child: Text(
+                        "Close",
+                      ),
+                      onPressed: () => Navigator.of(context).pop(),
+                    ),
+                  ],
+                ),
+              );
             },
           ),
           Divider(),
@@ -72,6 +86,40 @@ class AppDrawer extends StatelessWidget {
               Navigator.of(context).pushReplacementNamed('/');
             },
           ),
+          Divider(),
+          AboutListTile(
+            icon: Icon(Icons.info),
+            applicationName: 'wger',
+            applicationVersion: '0.0.1 alpha',
+            applicationLegalese: '\u{a9} 2020 The wger team',
+            applicationIcon: Image.asset(
+              'assets/images/logo.png',
+              width: 60,
+            ),
+            aboutBoxChildren: [
+              RichText(
+                text: TextSpan(
+                  style: TextStyle(fontSize: 16, color: Colors.black),
+                  children: [
+                    TextSpan(
+                      text: 'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, '
+                          'sed diam nonumy eirmod tempor invidunt ut labore et dolore '
+                          'magna aliquyam erat, sed diam voluptua. At vero eos et accusam '
+                          'et justo duo dolores et ea rebum.\n',
+                    ),
+                    TextSpan(
+                      text: 'https://github.com/wger-project/wger',
+                      style: TextStyle(color: Colors.blue),
+                      recognizer: TapGestureRecognizer()
+                        ..onTap = () {
+                          launch('https://github.com/wger-project/wger');
+                        },
+                    )
+                  ],
+                ),
+              ),
+            ],
+          ),
         ],
       ),
     );

pubspec.lock

@@ -621,6 +621,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0-nullsafety.3"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.7.10"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+4"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+9"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.9"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5+1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+3"
   vector_math:
     dependency: transitive
     description:
@@ -672,4 +714,4 @@ packages:
     version: "2.2.1"
 sdks:
   dart: ">=2.10.0-110 <2.11.0"
-  flutter: ">=1.16.0 <2.0.0"
+  flutter: ">=1.22.0 <2.0.0"

pubspec.yaml

@@ -33,6 +33,7 @@ dependencies:
   flutter_calendar_carousel: ^1.5.1
   cupertino_icons: ^1.0.0
   json_serializable: ^3.5.0
+  url_launcher: ^5.7.10
 
 dev_dependencies:
   flutter_test: