ux: SplashScreen на холодном старте (Этап 2 п.12)

androidx core-splashscreen 1.0.1: тема Theme.F7.Splash (фон #FBFBFB как
F7Colors.Background + иконка ic_launcher), postSplashScreenTheme — прежняя
тема приложения. installSplashScreen() в MainActivity.onCreate до super.
Вместо голого белого экрана при запуске.

app/build.gradle

@@ -128,6 +128,7 @@ dependencies {
     implementation libs.firebase.messaging
     implementation libs.coroutines.play.services
     implementation libs.multidex
+    implementation libs.core.splashscreen
     implementation libs.biometric
     implementation libs.fragment.ktx
     implementation libs.camera.camera2

app/src/main/AndroidManifest.xml

@@ -37,6 +37,7 @@
             android:resource="@mipmap/ic_launcher" />
         <activity
             android:name=".MainActivity"
+            android:theme="@style/Theme.F7.Splash"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/ru/forbion/f7cloud/mobile/MainActivity.kt

@@ -6,6 +6,7 @@ import android.util.Log
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
@@ -43,6 +44,8 @@ class MainActivity : FragmentActivity() {
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        // Системный сплэш (фон + иконка) на холодном старте вместо белого экрана
+        installSplashScreen()
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         if (!handleIncomingIntent(intent)) {

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Сплэш при холодном старте (androidx core-splashscreen): фон в цвет
+         F7Colors.Background + иконка приложения; после — прежняя тема. -->
+    <style name="Theme.F7.Splash" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">#FBFBFB</item>
+        <item name="windowSplashScreenAnimatedIcon">@mipmap/ic_launcher</item>
+        <item name="postSplashScreenTheme">@android:style/Theme.Material.Light.NoActionBar</item>
+    </style>
+</resources>

gradle/libs.versions.toml

@@ -60,3 +60,4 @@ multidex = { group = "androidx.multidex", name = "multidex", version.ref = "mult
 fragment-ktx = { group = "androidx.fragment", name = "fragment-ktx", version.ref = "fragment" }
 documentfile = { group = "androidx.documentfile", name = "documentfile", version.ref = "documentfile" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
+core-splashscreen = { group = "androidx.core", name = "core-splashscreen", version = "1.0.1" }