Fix Splash Screen

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

@@ -6,6 +6,9 @@
         <item name="android:windowFullscreen">true</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#000000</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/android12splash</item>
+        <item name="android:windowSplashScreenIconBackgroundColor">#000000</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

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

@@ -6,6 +6,9 @@
         <item name="android:windowFullscreen">true</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#ffffff</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/android12splash</item>
+        <item name="android:windowSplashScreenIconBackgroundColor">#ffffff</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

pubspec.yaml

@@ -61,14 +61,153 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^3.0.1
+
 flutter_native_splash:
+
+  # This package generates native code to customize Flutter's default white native splash screen
+  # with background color and splash image.
+  # Customize the parameters below, and run the following command in the terminal:
+  # dart run flutter_native_splash:create
+  # To restore Flutter's default white splash screen, run the following command in the terminal:
+  # dart run flutter_native_splash:remove
+
+  # IMPORTANT NOTE: These parameter do not affect the configuration of Android 12 and later, which
+  # handle splash screens differently that prior versions of Android.  Android 12 and later must be
+  # configured specifically in the android_12 section below.
+
+  # color or background_image is the only required parameter.  Use color to set the background
+  # of your splash screen to a solid color.  Use background_image to set the background of your
+  # splash screen to a png image.  This is useful for gradients. The image will be stretch to the
+  # size of the app. Only one parameter can be used, color and background_image cannot both be set.
   color: "#FFFFFF"
+  #background_image: "assets/background.png"
+
+  # Optional parameters are listed below.  To enable a parameter, uncomment the line by removing
+  # the leading # character.
+
+  # The image parameter allows you to specify an image used in the splash screen.  It must be a
+  # png file and should be sized for 4x pixel density.
+  image:  assets/splash.png
+
+  # The branding property allows you to specify an image used as branding in the splash screen.
+  # It must be a png file. It is supported for Android, iOS and the Web.  For Android 12,
+  # see the Android 12 section below.
+  #branding: assets/dart.png
+
+  # To position the branding image at the bottom of the screen you can use bottom, bottomRight,
+  # and bottomLeft. The default values is bottom if not specified or specified something else.
+  #branding_mode: bottom
+
+  # The color_dark, background_image_dark, image_dark, branding_dark are parameters that set the background
+  # and image when the device is in dark mode. If they are not specified, the app will use the
+  # parameters from above. If the image_dark parameter is specified, color_dark or
+  # background_image_dark must be specified.  color_dark and background_image_dark cannot both be
+  # set.
   color_dark: "#000000"
-  image_dark: assets/logo.png
-  image: assets/logo.png
-  android_gravity: center
+  #background_image_dark: "assets/dark-background.png"
+  image_dark: assets/splash.png
+  #branding_dark: assets/dart_dark.png
+
+  # Android 12 handles the splash screen differently than previous versions.  Please visit
+  # https://developer.android.com/guide/topics/ui/splash-screen
+  # Following are Android 12 specific parameter.
+  android_12:
+  # The image parameter sets the splash screen icon image.  If this parameter is not specified,
+  # the app's launcher icon will be used instead.
+  # Please note that the splash screen will be clipped to a circle on the center of the screen.
+  # App icon with an icon background: This should be 960×960 pixels, and fit within a circle
+  # 640 pixels in diameter.
+  # App icon without an icon background: This should be 1152×1152 pixels, and fit within a circle
+  # 768 pixels in diameter.
+    image: assets/splash.png
+
+  # Splash screen background color.
+    color: "#ffffff"
+
+  # App icon background color.
+    icon_background_color: "#ffffff"
+
+  # The branding property allows you to specify an image used as branding in the splash screen.
+  #branding: assets/dart.png
+
+  # The image_dark, color_dark, icon_background_color_dark, and branding_dark set values that
+  # apply when the device is in dark mode. If they are not specified, the app will use the
+  # parameters from above.
+    image_dark: assets/splash.png
+    color_dark: "#000000"
+    icon_background_color_dark: "#000000"
+
+  # The android, ios and web parameters can be used to disable generating a splash screen on a given
+  # platform.
+  #android: false
+  #ios: false
+  web: false
+
+  # Platform specific images can be specified with the following parameters, which will override
+  # the respective parameter.  You may specify all, selected, or none of these parameters:
+  #color_android: "#42a5f5"
+  #color_dark_android: "#042a49"
+  #color_ios: "#42a5f5"
+  #color_dark_ios: "#042a49"
+  #color_web: "#42a5f5"
+  #color_dark_web: "#042a49"
+  #image_android: assets/splash-android.png
+  #image_dark_android: assets/splash-invert-android.png
+  #image_ios: assets/splash-ios.png
+  #image_dark_ios: assets/splash-invert-ios.png
+  #image_web: assets/splash-web.gif
+  #image_dark_web: assets/splash-invert-web.gif
+  #background_image_android: "assets/background-android.png"
+  #background_image_dark_android: "assets/dark-background-android.png"
+  #background_image_ios: "assets/background-ios.png"
+  #background_image_dark_ios: "assets/dark-background-ios.png"
+  #background_image_web: "assets/background-web.png"
+  #background_image_dark_web: "assets/dark-background-web.png"
+  #branding_android: assets/brand-android.png
+  #branding_dark_android: assets/dart_dark-android.png
+  #branding_ios: assets/brand-ios.png
+  #branding_dark_ios: assets/dart_dark-ios.png
+  #branding_web: assets/brand-web.gif
+  #branding_dark_web: assets/dart_dark-web.gif
+
+  # The position of the splash image can be set with android_gravity, ios_content_mode, and
+  # web_image_mode parameters.  All default to center.
+  #
+  # android_gravity can be one of the following Android Gravity (see
+  # https://developer.android.com/reference/android/view/Gravity): bottom, center,
+  # center_horizontal, center_vertical, clip_horizontal, clip_vertical, end, fill, fill_horizontal,
+  # fill_vertical, left, right, start, or top.
+  # android_gravity: center
+  #
+  # ios_content_mode can be one of the following iOS UIView.ContentMode (see
+  # https://developer.apple.com/documentation/uikit/uiview/contentmode): scaleToFill,
+  # scaleAspectFit, scaleAspectFill, center, top, bottom, left, right, topLeft, topRight,
+  # bottomLeft, or bottomRight.
+  #ios_content_mode: center
+  #
+  # web_image_mode can be one of the following modes: center, contain, stretch, and cover.
+  #web_image_mode: center
+
+  # The screen orientation can be set in Android with the android_screen_orientation parameter.
+  # Valid parameters can be found here:
+  # https://developer.android.com/guide/topics/manifest/activity-element#screen
+  #android_screen_orientation: sensorLandscape
+
+  # To hide the notification bar, use the fullscreen parameter.  Has no effect in web since web
+  # has no notification bar.  Defaults to false.
+  # NOTE: Unlike Android, iOS will not automatically show the notification bar when the app loads.
+  #       To show the notification bar, add the following code to your Flutter app:
+  #       WidgetsFlutterBinding.ensureInitialized();
+  #       SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: [SystemUiOverlay.bottom, SystemUiOverlay.top], );
   fullscreen: true
 
+  # If you have changed the name(s) of your info.plist file(s), you can specify the filename(s)
+  # with the info_plist_files parameter.  Remove only the # characters in the three lines below,
+  # do not remove any spaces:
+  #info_plist_files:
+  #  - 'ios/Runner/Info-Debug.plist'
+  #  - 'ios/Runner/Info-Release.plist'
+
 flutter_launcher_icons:
   #image_path: "assets/logo.png" #"assets/images/icon-128x128.png"
   image_path_android: "assets/logo-android.png" #"assets/images/icon-710x599-android.png"