Implement splash screen using Core Splashscreen library

app/build.gradle

@@ -240,6 +240,7 @@ dependencies {
     implementation "androidx.work:work-runtime-ktx:${androidxWorkVersion}"
     implementation "androidx.work:work-rxjava3:${androidxWorkVersion}"
     implementation 'com.google.android.material:material:1.11.0'
+    implementation 'androidx.core:core-splashscreen:1.0.1'
 
 /** Third-party libraries **/
     // Instance state boilerplate elimination

app/src/main/AndroidManifest.xml

@@ -34,7 +34,7 @@
         android:label="@string/app_name"
         android:logo="@mipmap/ic_launcher"
         android:resizeableActivity="true"
-        android:theme="@style/OpeningTheme"
+        android:theme="@style/Base.SplashTheme"
         tools:ignore="AllowBackup">
         <activity
             android:name=".MainActivity"

app/src/main/java/org/schabi/newpipe/MainActivity.java

@@ -48,6 +48,7 @@ import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.ActionBarDrawerToggle;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
+import androidx.core.splashscreen.SplashScreen;
 import androidx.core.view.GravityCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
@@ -131,11 +132,14 @@ public class MainActivity extends AppCompatActivity {
                     + "savedInstanceState = [" + savedInstanceState + "]");
         }
 
+        SplashScreen.installSplashScreen(this);
+
+        super.onCreate(savedInstanceState);
+
         ThemeHelper.setDayNightMode(this);
         ThemeHelper.setTheme(this, ServiceHelper.getSelectedServiceId(this));
 
         assureCorrectAppLanguage(this);
-        super.onCreate(savedInstanceState);
 
         mainBinding = ActivityMainBinding.inflate(getLayoutInflater());
         drawerLayoutBinding = mainBinding.drawerLayout;

app/src/main/res/drawable-night-v23/splash_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item
-        android:drawable="@color/dark_youtube_primary_color"/>
-
-    <item
-        android:width="80dp"
-        android:height="80dp"
-        android:gravity="center"
-        android:drawable="@drawable/splash_foreground"/>
-</layer-list>

app/src/main/res/drawable-night/splash_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item
-        android:drawable="@color/dark_youtube_primary_color"/>
-
-    <item>
-        <bitmap
-            android:src="@drawable/ic_newpipe_triangle_white"
-            android:gravity="center_vertical|center_horizontal" />
-    </item>
-</layer-list>

app/src/main/res/drawable-v23/splash_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item
-        android:drawable="@color/light_youtube_primary_color"/>
-
-    <item
-        android:width="80dp"
-        android:height="80dp"
-        android:gravity="center"
-        android:drawable="@drawable/splash_foreground"/>
-</layer-list>

app/src/main/res/drawable/splash_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item
-        android:drawable="@color/light_youtube_primary_color"/>
-
-    <item>
-        <bitmap
-            android:src="@drawable/ic_newpipe_triangle_white"
-            android:gravity="center_vertical|center_horizontal" />
-    </item>
-</layer-list>

app/src/main/res/drawable/splash_foreground.xml

@@ -2,9 +2,15 @@
     android:width="100dp"
     android:height="100dp"
     android:viewportWidth="100"
-    android:viewportHeight="100">
+    android:viewportHeight="100"
+    android:gravity="center">
+    <group android:scaleX="0.57"
+        android:scaleY="0.57"
+        android:translateX="21.5"
+        android:translateY="21.5">
         <path
             android:fillColor="#ffffff"
             android:pathData="m23.909,10.211v78.869c0,0 7.7,-4.556 12.4,-7.337V67.477,56.739 31.686c0,0 3.707,2.173 8.948,5.24 6.263,3.579 14.57,8.565 21.473,12.655 -9.358,5.483 -16.8,9.876 -22.496,13.234V77.053C57.974,68.927 75.176,58.762 90.762,49.581 75.551,40.634 57.144,29.768 43.467,21.715 31.963,14.94 23.909,10.211 23.909,10.211Z"
             android:strokeWidth="1.2782383" />
+    </group>
 </vector>

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

@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <!-- Opening Theme -->
+    <style name="Base.SplashTheme" parent="Theme.SplashScreen.IconBackground">
-    <style name="Base.OpeningTheme" parent="Base.V21.OpeningTheme">
+        <item name="windowSplashScreenIconBackgroundColor">@color/dark_youtube_primary_color</item>
-        <item name="android:navigationBarColor">@color/dark_youtube_primary_color</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/splash_foreground</item>
+        <item name="postSplashScreenTheme">@style/Base.DarkTheme</item>
     </style>
 
 </resources>

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

@@ -1,17 +1,10 @@
 <resources>
 
-    <!-- Opening Theme -->
+    <style name="Base.SplashTheme" parent="Theme.SplashScreen.IconBackground">
-    <style name="Base.V21.OpeningTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="windowSplashScreenIconBackgroundColor">@color/light_youtube_primary_color</item>
-        <item name="colorPrimary">@android:color/transparent</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/splash_foreground</item>
-        <item name="colorPrimaryDark">@android:color/transparent</item>
+        <item name="postSplashScreenTheme">@style/Base.LightTheme</item>
-        <item name="colorAccent">@android:color/transparent</item>
-
-        <item name="android:windowBackground">@drawable/splash_background</item>
     </style>
-    <style name="Base.OpeningTheme" parent="Base.V21.OpeningTheme">
-        <item name="android:navigationBarColor">@color/light_youtube_primary_color</item>
-    </style>
-    <style name="OpeningTheme" parent="Base.OpeningTheme" />
 
     <!-- Base Theme -->
     <style name="Base.V21" parent="Theme.AppCompat.DayNight.NoActionBar">