start_page

ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json

@@ -2,16 +2,17 @@
   "images" : [
     {
       "filename" : "background.png",
-      "idiom" : "universal",
-      "scale" : "1x"
+      "idiom" : "universal"
     },
     {
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
+      "appearances" : [
         {
-      "idiom" : "universal",
-      "scale" : "3x"
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "darkbackground.png",
+      "idiom" : "universal"
     }
   ],
   "info" : {

ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -5,15 +5,48 @@
       "idiom" : "universal",
       "scale" : "1x"
     },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
     {
       "filename" : "LaunchImage@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
     {
       "filename" : "LaunchImage@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -17,7 +17,7 @@
                         <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 opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleAspectFill" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
@@ -38,7 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="750" height="1334"/>
         <image name="LaunchBackground" width="1" height="1"/>
     </resources>
 </document>

ios/Runner/Info.plist

@@ -107,6 +107,5 @@
 			<string>weixinULAPI</string>
 			<string>weixinURLParamsAPI</string>
 		</array>
-		
 	</dict>
 </plist>

pubspec.yaml

@@ -196,16 +196,18 @@ flutter_native_splash:
   ios: true
   android: true
   color: "#ffffff"
-  # image: assets/images/logo/start.png
-  fullscreen: true
-  background_image: assets/images/logo/start.png
-  # color_dark: "#ffffff"
-  # image_dark: assets/images/logo/start.png
+  image: assets/images/logo/start.png
+  color_dark: "#ffffff"
+  image_dark: assets/images/logo/start.png
+  # iOS 图片显示模式 - 填满屏幕（可能裁剪）
+  ios_content_mode: scaleAspectFill
+  # Android 11 及以下图片显示模式 - 填满屏幕
+  android_gravity: fill
+  fullscreen: true #隐藏通知栏
 
   android_12: 
     image: assets/images/logo/androidlogo.png
     icon_background_color: "#000000"
-    # background_image: assets/images/logo/start.png
 
     image_dark: assets/images/logo/androidlogo.png
     icon_background_color_dark: "#000000"