Code snippets for Creating Splash Screen

AndroidManifest.xml

...
<activity
  android:name=".LauncherActivity"
  android:theme="@style/AppTheme.Splash">
  <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
  </intent-filter>
</activity>
...

LauncherActivity.kt

override fun onCreate(savedInstanceState: Bundle?) {
        setTheme(R.style.AppTheme)
        setContentView(...)
         ....
}

splash_drawable.xml

<layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:opacity="opaque">
  <!-- The desired background color for splash theme -->
  <item android:drawable="@color/splashThemeBackground"/>
  <!-- Colored brand icon or the launcher icon of size 144dp -->
  <item>
    <bitmap
      android:src="@drawable/ic_brand_logo_144dp"
      android:gravity="center"/>
  </item>
</layer-list>

theme.xml

<style name="AppTheme.Splash" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<!-- Add the drawable that we created in the last screen here -->
<item name="android:windowBackground">@drawable/splash_drawable</item>
</style>