Updated app icon & launcher image

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
+    <item android:drawable="@color/splash_background" />
 
     <!-- You can insert your own image assets here -->
     <!-- <item>

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
+    <item android:drawable="@color/splash_background" />
 
     <!-- You can insert your own image assets here -->
     <!-- <item>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowSplashScreenBackground">@drawable/launch_background</item>
+    </style>
+</resources>

android/app/src/main/res/values-night/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="splash_background">#FF101010</color>
+</resources>

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

@@ -5,6 +5,7 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</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
@@ -13,6 +14,6 @@
 
          This Theme is only used starting with V2 of Flutter's Android embedding. -->
     <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <item name="android:windowBackground">?android:colorBackground</item>
+        <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
 </resources>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:windowSplashScreenBackground">@drawable/launch_background</item>
+    </style>
+</resources>

android/app/src/main/res/values/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="splash_background">#FF101010</color>
+</resources>

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

@@ -13,6 +13,7 @@
 
          This Theme is only used starting with V2 of Flutter's Android embedding. -->
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
-        <item name="android:windowBackground">?android:colorBackground</item>
+        <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+
 </resources>