Improved onboarding

lib/constants/urls.dart

@@ -0,0 +1,4 @@
+class Urls {
+  static const linkdingInstallationInstructions =
+      "https://github.com/sissbruecker/linkding?tab=readme-ov-file#installation";
+}

lib/screens/onboarding/ui/server_required.dart

@@ -4,7 +4,9 @@ import 'package:flutter_svg/flutter_svg.dart';
 
 import 'package:my_linkding/screens/onboarding/provider/onboarding.provider.dart';
 
+import 'package:my_linkding/constants/urls.dart';
 import 'package:my_linkding/i18n/strings.g.dart';
+import 'package:my_linkding/utils/open_url.dart';
 
 class OnboardingServerRequired extends ConsumerWidget {
   const OnboardingServerRequired({Key? key}) : super(key: key);
@@ -18,22 +20,14 @@ class OnboardingServerRequired extends ConsumerWidget {
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
           Expanded(
-            child: ListView(
+            child: CustomScrollView(
-              children: [
+              slivers: [
-                Column(
+                const SliverPersistentHeader(
-                  crossAxisAlignment: CrossAxisAlignment.start,
+                  pinned: true,
-                  children: [
+                  delegate: _Header(),
-                    Icon(
-                      Icons.dns_rounded,
-                      size: 50,
-                      color: Theme.of(context).colorScheme.primary,
                 ),
-                    const SizedBox(height: 24),
+                SliverList.list(
-                    Text(
+                  children: [
-                      t.onboarding.serverRequired,
-                      style: const TextStyle(fontSize: 28),
-                    ),
-                    const SizedBox(height: 8),
                     Text(
                       t.onboarding.serverRequiredDescription,
                       style: TextStyle(
@@ -41,12 +35,10 @@ class OnboardingServerRequired extends ConsumerWidget {
                         color: Theme.of(context).colorScheme.onSurfaceVariant,
                       ),
                     ),
-                  ],
+                    const SizedBox(height: 16),
-                ),
-                Container(height: 24),
                     Card(
                       child: InkWell(
-                    onTap: () => {},
+                        onTap: () => openUrl(Urls.linkdingInstallationInstructions),
                         borderRadius: BorderRadius.circular(10),
                         child: Padding(
                           padding: const EdgeInsets.all(24),
@@ -74,14 +66,9 @@ class OnboardingServerRequired extends ConsumerWidget {
                         ),
                       ),
                     ),
-                const SizedBox(height: 8),
+                    const SizedBox(height: 16),
-              ],
-            ),
-          ),
-          Column(
-            children: [
                     ListTile(
-                contentPadding: const EdgeInsets.all(8),
+                      contentPadding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
                       leading: Checkbox(
                         shape: RoundedRectangleBorder(
                           borderRadius: BorderRadius.circular(5),
@@ -95,7 +82,12 @@ class OnboardingServerRequired extends ConsumerWidget {
                       ),
                       onTap: () => ref.read(onboardingProvider.notifier).confirmServerRunning(),
                     ),
-              const SizedBox(height: 8),
+                  ],
+                ),
+              ],
+            ),
+          ),
+          const SizedBox(height: 16),
           Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
@@ -125,8 +117,72 @@ class OnboardingServerRequired extends ConsumerWidget {
           ),
         ],
       ),
+    );
+  }
+}
+
+const _minExent = 50.0;
+const _maxExent = 130.0;
+
+const _iconMaxSize = 50;
+const _iconMinSize = 30;
+
+const _textMaxSize = 28;
+const _textMinSize = 22;
+
+const _textMaxTopPosition = 70;
+const _textMinTopPosition = 0;
+
+const _textMaxLeftPosition = 0;
+const _textMinLeftPosition = 44;
+
+class _Header extends SliverPersistentHeaderDelegate {
+  const _Header();
+
+  @override
+  Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) {
+    final iconPercentage = shrinkOffset.clamp(0, _maxExent - _minExent) / (_maxExent - _minExent);
+    final textPercentage = shrinkOffset.clamp(0, _maxExent - _minExent) / (_maxExent - _minExent);
+
+    final iconSize = _iconMinSize + (_iconMaxSize - _iconMinSize) * (1 - iconPercentage);
+    final textSize = _textMinSize + (_textMaxSize - _textMinSize) * (1 - textPercentage);
+    final textTopPosition = _textMinTopPosition + (_textMaxTopPosition - _textMinTopPosition) * (1 - textPercentage);
+    final textLeftPosition =
+        _textMinLeftPosition + (_textMaxLeftPosition - _textMinLeftPosition) * (1 - textPercentage);
+
+    return Container(
+      color: Theme.of(context).colorScheme.surface,
+      child: Stack(
+        children: [
+          Positioned(
+            top: 0,
+            child: Icon(
+              Icons.dns_rounded,
+              size: iconSize,
+              color: Theme.of(context).colorScheme.primary,
+            ),
+          ),
+          Positioned(
+            top: textTopPosition,
+            left: textLeftPosition,
+            child: Text(
+              t.onboarding.serverRequired,
+              style: TextStyle(fontSize: textSize),
+            ),
+          ),
         ],
       ),
     );
   }
+
+  @override
+  double get maxExtent => _maxExent;
+
+  @override
+  double get minExtent => _minExent;
+
+  @override
+  bool shouldRebuild(covariant SliverPersistentHeaderDelegate oldDelegate) {
+    return false;
+  }
 }

lib/screens/onboarding/ui/welcome.dart

@@ -34,7 +34,7 @@ class OnboardingWelcome extends ConsumerWidget {
                     t.onboarding.title,
                     style: const TextStyle(fontSize: 28),
                   ),
-                  const SizedBox(height: 8),
+                  const SizedBox(height: 16),
                   Text(
                     t.onboarding.subtitle,
                     style: TextStyle(

lib/utils/open_url.dart

@@ -0,0 +1,31 @@
+import 'dart:io';
+
+import 'package:flutter_custom_tabs/flutter_custom_tabs.dart' as flutter_custom_tabs;
+import 'package:url_launcher/url_launcher.dart' as url_launcher;
+
+void openUrl(String url) async {
+  if (Platform.isAndroid || Platform.isIOS) {
+    try {
+      await flutter_custom_tabs.launchUrl(
+        Uri.parse(url),
+        customTabsOptions: const flutter_custom_tabs.CustomTabsOptions(
+          shareState: flutter_custom_tabs.CustomTabsShareState.browserDefault,
+          urlBarHidingEnabled: true,
+          showTitle: true,
+        ),
+        safariVCOptions: const flutter_custom_tabs.SafariViewControllerOptions(
+          barCollapsingEnabled: true,
+          dismissButtonStyle: flutter_custom_tabs.SafariViewControllerDismissButtonStyle.close,
+        ),
+      );
+    } catch (e, stackTrace) {
+      // Sentry.captureException(e, stackTrace: stackTrace);
+    }
+  } else {
+    try {
+      url_launcher.launchUrl(Uri.parse(url));
+    } catch (e, stackTrace) {
+      // Sentry.captureException(e, stackTrace: stackTrace);
+    }
+  }
+}

pubspec.lock

@@ -294,6 +294,46 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_custom_tabs:
+    dependency: "direct main"
+    description:
+      name: flutter_custom_tabs
+      sha256: "961fe962ae55e9e41097c34e68c6d7d2de10e9a71034f83834919e31a891e728"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0+1"
+  flutter_custom_tabs_android:
+    dependency: transitive
+    description:
+      name: flutter_custom_tabs_android
+      sha256: "5701a3e38117dfc59e5fa9e84a29eea9203e0062de7be56d1f775845c34456d9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0+1"
+  flutter_custom_tabs_ios:
+    dependency: transitive
+    description:
+      name: flutter_custom_tabs_ios
+      sha256: b29f687f7f366159d37347f888369fcd1259adac8ca6c7f07d356a80b091e08a
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  flutter_custom_tabs_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_custom_tabs_platform_interface
+      sha256: "13531a743486695d87b462b151801e11476b1b5a15274caec092420cc1943064"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  flutter_custom_tabs_web:
+    dependency: transitive
+    description:
+      name: flutter_custom_tabs_web
+      sha256: "3114b511d3942ed42c502cc57ad47eaef9622ac06dd036e2b21b19d8876f6498"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   flutter_lints:
     dependency: "direct dev"
     description:

pubspec.yaml

@@ -46,6 +46,7 @@ dependencies:
   slang: ^3.29.0
   slang_flutter: ^3.29.0
   flutter_svg: ^2.0.9
+  flutter_custom_tabs: ^2.0.0+1
 
 dev_dependencies:
   build_runner: ^2.4.8