How to create splash screen

AndroidManifest.xml

<activity
            android:name=".SplashActivity"
            android:theme="@style/SplashTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity
            android:name=".MainActivity"
            android:configChanges="orientation"
            android:label="@string/app_name" />

SplashActivity.kt

class SplashActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setUpStatusBarAndNavigationBar()
    }

    override fun onStart() {
        val intent = Intent(applicationContext, MainActivity::class.java)
        startActivity(intent)
        finish()
    }
}

styles.xml

    <style name="SplashTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="android:statusBarColor" tools:targetApi="lollipop">@color/dark_theme_blue</item>
        <item name="android:windowBackground">@drawable/splash_screen</item>
        <item name="android:navigationBarColor" tools:targetApi="lollipop">@color/dark_theme_blue</item>
        <item name="android:navigationBarDividerColor" tools:targetApi="o_mr1">@color/dark_theme_blue</item>
    </style>