Feat: Added splash screen

app/build.gradle.kts

@@ -46,6 +46,7 @@ dependencies {
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.material3:material3:1.3.1")
+    implementation("androidx.core:core-splashscreen:1.0.1")
 
     // Required for preview support
     debugImplementation("androidx.compose.ui:ui-tooling")

app/src/main/AndroidManifest.xml

@@ -7,15 +7,15 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
-        android:theme="@android:style/Theme.Material.NoActionBar"
+        android:theme="@style/Theme.App.Starting"
         android:enableOnBackInvokedCallback="true"
         tools:targetApi="tiramisu">
 
         <!-- Main activity -->
         <activity
             android:name="ru.hepolise.volumekeytrackcontrol.ui.SettingsActivity"
             android:exported="true"
-            android:theme="@android:style/Theme.Material.NoActionBar">
+            android:theme="@style/Theme.App.Starting">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

app/src/main/java/ru/hepolise/volumekeytrackcontrol/ui/SettingsActivity.kt

@@ -1,12 +1,17 @@
 package ru.hepolise.volumekeytrackcontrol.ui
 
+import android.animation.AnimatorSet
+import android.animation.ObjectAnimator
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.Vibrator
+import android.view.View
+import android.view.animation.AccelerateInterpolator
+import android.view.animation.AnticipateInterpolator
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
@@ -73,6 +78,8 @@ import androidx.compose.ui.text.withLink
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.core.animation.doOnEnd
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import ru.hepolise.volumekeytrackcontrol.util.Constants
 import ru.hepolise.volumekeytrackcontrol.util.SharedPreferencesUtil.LONG_PRESS_DURATION
 import ru.hepolise.volumekeytrackcontrol.util.SharedPreferencesUtil.LONG_PRESS_DURATION_DEFAULT_VALUE
@@ -95,7 +102,34 @@ import ru.hepolise.volumekeytrackcontrolmodule.R
 
 class SettingsActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
+        val splashscreen = installSplashScreen()
+        var keepSplashScreen = true
         super.onCreate(savedInstanceState)
+        splashscreen.setKeepOnScreenCondition { keepSplashScreen }
+        keepSplashScreen = false
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            splashScreen.setOnExitAnimationListener { splashScreenView ->
+                val scaleX = ObjectAnimator.ofFloat(splashScreenView, View.SCALE_X, 1f, 0.6f)
+                val scaleY = ObjectAnimator.ofFloat(splashScreenView, View.SCALE_Y, 1f, 0.6f)
+
+                val fadeOut = ObjectAnimator.ofFloat(splashScreenView, View.ALPHA, 1f, 0f)
+
+                scaleX.interpolator = AnticipateInterpolator()
+                scaleY.interpolator = AnticipateInterpolator()
+                fadeOut.interpolator = AccelerateInterpolator()
+
+                val duration = 400L
+                scaleX.duration = duration
+                scaleY.duration = duration
+                fadeOut.duration = duration
+
+                AnimatorSet().apply {
+                    playTogether(scaleX, scaleY, fadeOut)
+                    doOnEnd { splashScreenView.remove() }
+                    start()
+                }
+            }
+        }
         enableEdgeToEdge()
         setContent {
             MaterialTheme(

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenAnimatedIcon">@mipmap/ic_launcher_foreground</item>
+        <item name="postSplashScreenTheme">@android:style/Theme.Material.NoActionBar</item>
+    </style>
+</resources>