feat(splash): 缩短开屏停留并统一开屏图

android/app/src/main/kotlin/com/stormg/lumadrama/MainActivity.kt

@@ -36,6 +36,9 @@ class MainActivity : FlutterActivity() {
     private var imeInset = 0
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            splashScreen.setOnExitAnimationListener { screen -> screen.remove() }
+        }
         super.onCreate(savedInstanceState)
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
     }

android/app/src/main/res/drawable-night-v21/launch_background.xml

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Author: fruit.com.cn -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/splash_background" />
+    <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/splash_screen" />
+    </item>
 </layer-list>

android/app/src/main/res/drawable-night/launch_background.xml

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Author: fruit.com.cn -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/splash_background" />
+    <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/splash_screen" />
+    </item>
 </layer-list>

android/app/src/main/res/drawable-v21/launch_background.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Author: fruit.com.cn -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/splash_background" />
     <item>
-        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/splash_screen" />
     </item>
 </layer-list>

android/app/src/main/res/drawable-v31/launch_background.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Author: fruit.com.cn -->
-
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/splash_background" />
+    <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/splash_screen" />
+    </item>
 </layer-list>

android/app/src/main/res/drawable/launch_background.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Author: fruit.com.cn -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/splash_background" />
     <item>
-        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/splash_screen" />
     </item>
 </layer-list>

android/app/src/main/res/values-night-v31/styles.xml

@@ -8,6 +8,8 @@
         <item name="android:windowDrawsSystemBarBackgrounds">false</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
         <item name="android:windowSplashScreenBackground">#000000</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/splash_brand</item>
+        <item name="android:windowSplashScreenAnimationDuration">0</item>
     </style>
     <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
         <item name="android:windowBackground">@color/splash_background</item>

android/app/src/main/res/values-v31/styles.xml

@@ -8,6 +8,8 @@
         <item name="android:windowDrawsSystemBarBackgrounds">false</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
         <item name="android:windowSplashScreenBackground">#000000</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/splash_brand</item>
+        <item name="android:windowSplashScreenAnimationDuration">0</item>
     </style>
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">@color/splash_background</item>

ios/Runner/AppDelegate.swift

@@ -29,7 +29,7 @@ final class RunnerFlutterViewController: FlutterViewController {
 
   override func viewDidLoad() {
     super.viewDidLoad()
-    view.backgroundColor = UIColor(red: 16.0 / 255.0, green: 12.0 / 255.0, blue: 10.0 / 255.0, alpha: 1)
+    view.backgroundColor = .black
   }
 }
 

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -16,18 +16,13 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"/>
                         </subviews>
-                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0" green="0" blue="0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="3T2-ad-Qdv"/>
-                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="RPx-PI-7Xg"/>
-                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="SdS-ul-q2q"/>
-                            <constraint firstAttribute="trailing" secondItem="tWc-Dq-wcI" secondAttribute="trailing" id="Swv-Gf-Rwn"/>
                             <constraint firstAttribute="trailing" secondItem="YRO-k0-Ey4" secondAttribute="trailing" id="TQA-XW-tRk"/>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="duK-uY-Gun"/>
-                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="kV7-tw-vXt"/>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="xPn-NY-SIU"/>
                         </constraints>
                     </view>
@@ -38,7 +33,6 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
-        <image name="LaunchBackground" width="1" height="1"/>
+        <image name="LaunchImage" width="390" height="844"/>
     </resources>
 </document>

lib/main.dart

@@ -1,5 +1,7 @@
 // Author: fruit.com.cn
 
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
@@ -9,10 +11,10 @@ import 'core/config/server_endpoint.dart';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  await Future.wait([
-    SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]),
-    ServerEndpoint.load(),
-  ]);
+  await ServerEndpoint.load();
   AppConfig.ready = AppConfig.probeAndApplyBaseUrl();
   runApp(const LumaDramaApp());
+  unawaited(
+    SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]),
+  );
 }

lib/pages/home/home_view.dart

@@ -30,9 +30,6 @@ import 'home_logic.dart';
 import 'widgets/home_feed_grid.dart';
 import 'widgets/home_grid_header.dart';
 
-const Duration _startupSplashMinimumDuration = Duration(milliseconds: 400);
-const Duration _startupSplashFadeDuration = Duration(milliseconds: 200);
-
 class HomePage extends StatefulWidget {
   const HomePage({super.key});
 
@@ -44,31 +41,15 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
   bool _resumeRetryInFlight = false;
   HomeFeedController? _homeFeed;
   bool _recommendSeeded = false;
-  Timer? _startupSplashMinimumTimer;
-  bool _catalogSettled = false;
-  bool _startupSplashVisible = true;
-  bool _startupSplashFadingOut = false;
-  bool _startupSplashMinimumElapsed = false;
-  bool _startupSplashDismissing = false;
-  bool _startupSplashSettledTriggered = false;
 
   @override
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      if (!mounted) return;
-      _startupSplashMinimumTimer = Timer(_startupSplashMinimumDuration, () {
-        if (!mounted) return;
-        _startupSplashMinimumElapsed = true;
-        unawaited(_dismissStartupSplashIfReady());
-      });
-    });
   }
 
   @override
   void dispose() {
-    _startupSplashMinimumTimer?.cancel();
     _homeFeed?.dispose();
     WidgetsBinding.instance.removeObserver(this);
     super.dispose();
@@ -102,43 +83,12 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
   @override
   Widget build(BuildContext context) {
     final catalog = context.watch<CatalogController>();
-    _catalogSettled = catalog.settled;
-    if (_startupSplashVisible &&
-        _catalogSettled &&
-        !_startupSplashSettledTriggered) {
-      _startupSplashSettledTriggered = true;
-      WidgetsBinding.instance.addPostFrameCallback((_) {
-        if (mounted) unawaited(_dismissStartupSplashIfReady());
-      });
-    }
     return Theme(
       data: AppTheme.dark(),
-      child: Stack(
-        fit: StackFit.expand,
-        children: [
-          _buildHome(context, catalog),
-          if (_startupSplashVisible)
-            _StartupSplashOverlay(fadingOut: _startupSplashFadingOut),
-        ],
-      ),
+      child: _buildHome(context, catalog),
     );
   }
 
-  Future<void> _dismissStartupSplashIfReady() async {
-    if (!mounted ||
-        !_startupSplashVisible ||
-        _startupSplashDismissing ||
-        !_startupSplashMinimumElapsed ||
-        !_catalogSettled) {
-      return;
-    }
-    _startupSplashDismissing = true;
-    setState(() => _startupSplashFadingOut = true);
-    await Future<void>.delayed(_startupSplashFadeDuration);
-    if (!mounted) return;
-    setState(() => _startupSplashVisible = false);
-  }
-
   Widget _buildHome(BuildContext context, CatalogController catalog) {
     final homeFeed = _ensureHomeFeed(catalog);
     if (!_recommendSeeded && catalog.dramas.isNotEmpty) {
@@ -162,35 +112,6 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
   }
 }
 
-class _StartupSplashOverlay extends StatelessWidget {
-  const _StartupSplashOverlay({required this.fadingOut});
-
-  final bool fadingOut;
-
-  @override
-  Widget build(BuildContext context) {
-    return IgnorePointer(
-      child: AnimatedOpacity(
-        key: const Key('startup-splash'),
-        opacity: fadingOut ? 0 : 1,
-        duration: _startupSplashFadeDuration,
-        curve: Curves.easeOut,
-        child: ColoredBox(
-          color: AppColors.appBackground,
-          child: Center(
-            child: Image.asset(
-              'assets/icon/splash_logo.png',
-              key: const Key('startup-splash-logo'),
-              width: 240,
-              fit: BoxFit.contain,
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-}
-
 /// 四个根页面共享同一路由并保持各自状态。
 class _HomeTabs extends StatefulWidget {
   const _HomeTabs({super.key, required this.feedController});

test/home/home_startup_splash_test.dart

@@ -36,7 +36,7 @@ void main() {
     AppConfig.ready = Future<void>.value();
   });
 
-  testWidgets('should_show_brand_splash_and_grid_skeleton_while_loading', (
+  testWidgets('should_show_grid_skeleton_without_an_in_app_splash', (
     tester,
   ) async {
     final repository = _PendingCatalogRepository();
@@ -47,8 +47,7 @@ void main() {
     expect(find.byKey(const Key('home-grid-header')), findsOneWidget);
     expect(find.byKey(const Key('home-grid-skeleton')), findsOneWidget);
     expect(find.byKey(const Key('home-tabs-bar')), findsOneWidget);
-    expect(find.byKey(const Key('startup-splash')), findsOneWidget);
-    expect(find.byKey(const Key('startup-splash-logo')), findsOneWidget);
+    expect(find.byKey(const Key('startup-splash')), findsNothing);
     expect(find.byType(CircularProgressIndicator), findsNothing);
 
     repository.complete(_feed);