definitiv splash screen

.idea/deploymentTargetSelector.xml

     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2026-07-17T13:14:43.254466300Z">
+        <DropdownSelection timestamp="2026-07-19T12:56:18.942399300Z">
           <Target type="DEFAULT_BOOT">
             <handle>
               <DeviceId pluginId="PhysicalDevice" identifier="serial=5C060DLCH002WX" />

app/build.gradle.kts

     implementation(libs.androidx.compose.ui.graphics)
     implementation(libs.androidx.compose.ui.tooling.preview)
     implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.core.splashscreen)
     implementation(libs.androidx.datastore.preferences)
     implementation(libs.androidx.lifecycle.runtime.compose)
     implementation(libs.androidx.lifecycle.runtime.ktx)

app/src/main/AndroidManifest.xml

             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/app_name"
-            android:theme="@style/Theme.LEDLampControl"
+            android:theme="@style/Theme.App.Starting"
             android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/ch/spherIC/ledlampcontrol/MainActivity.kt

 package ch.spherIC.ledlampcontrol
 
+import android.Manifest
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewmodel.compose.viewModel
-import ch.spherIC.ledlampcontrol.data.network.LedWebSocketManager
 import ch.spherIC.ledlampcontrol.data.network.LedDiscoveryManager
+import ch.spherIC.ledlampcontrol.data.network.LedWebSocketManager
 import ch.spherIC.ledlampcontrol.data.repository.LedRepository
 import ch.spherIC.ledlampcontrol.data.repository.SettingsRepository
 import ch.spherIC.ledlampcontrol.ui.dashboard.DashboardScreen
 import ch.spherIC.ledlampcontrol.ui.theme.LEDLampControlTheme
 import ch.spherIC.ledlampcontrol.ui.viewmodel.LedViewModel
 import okhttp3.OkHttpClient
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.activity.result.contract.ActivityResultContracts
-import android.Manifest
 import java.util.concurrent.TimeUnit
 
 class MainActivity : ComponentActivity() {
     ) { }
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        installSplashScreen()
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         
                 darkTheme = darkTheme,
                 dynamicColor = dynamicColor
             ) {
-                DashboardScreen(viewModel = viewModel)
+                var showSplashScreen by remember { mutableStateOf(true) }
+
+                if (showSplashScreen) {
+                    CustomSplashScreen(onFinished = { showSplashScreen = false })
+                } else {
+                    DashboardScreen(viewModel = viewModel)
+                }
             }
         }
     }
         webSocketManager.disconnect()
     }
 }
+
+@Composable
+fun CustomSplashScreen(onFinished: () -> Unit) {
+    LaunchedEffect(Unit) {
+        kotlinx.coroutines.delay(3000) // Show for 3 seconds
+        onFinished()
+    }
+
+    Box(modifier = Modifier.fillMaxSize()) {
+        // 1. Background Image (LED on Grid)
+        Image(
+            painter = painterResource(id = R.drawable.led_on_grid),
+            contentDescription = null,
+            modifier = Modifier.fillMaxSize(),
+            contentScale = ContentScale.Crop
+        )
+        
+        // Group Icon and Logo at the bottom area
+        Column(
+            modifier = Modifier
+                .align(Alignment.BottomCenter)
+                .padding(bottom = 96.dp),
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            // 2. Real App Icon
+            Image(
+                painter = painterResource(id = R.drawable.app_icon),
+                contentDescription = null,
+                modifier = Modifier.size(200.dp),
+                contentScale = ContentScale.Fit
+            )
+            
+            Spacer(modifier = Modifier.height(24.dp))
+            
+            // 3. Spheric Logo
+            Image(
+                painter = painterResource(id = R.drawable.ic_spheric_logo),
+                contentDescription = null,
+                modifier = Modifier.width(200.dp),
+                contentScale = ContentScale.Fit
+            )
+        }
+    }
+}

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

   <path
       android:pathData="m69.11,49.3q-1.59,0 -2.72,0.97 -1.11,0.95 -1.11,2.31v2.45q0,1.36 1.11,2.33 1.13,0.95 2.72,0.95h7.65q0.66,0 1.06,0.34 0.39,0.34 0.39,0.9v2.06q0,0.56 -0.41,0.91 -0.39,0.34 -1.06,0.34L65.99,62.87v2.44h11.25q1.59,0 2.71,-0.95 1.13,-0.95 1.13,-2.31L81.08,59.23q0,-1.36 -1.13,-2.31 -1.11,-0.97 -2.71,-0.97h-7.63q-0.66,0 -1.07,-0.34 -0.39,-0.36 -0.39,-0.91L68.14,53.01q0,-0.56 0.39,-0.9 0.41,-0.36 1.07,-0.36 7.08,-0.02 10.03,-0.02v-2.44z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="M83.08,70.98L83.08,49.3h11.52q1.97,0 3.35,1.25 1.4,1.24 1.4,2.99v7.51q0,1.76 -1.4,3.01 -1.38,1.24 -3.35,1.24h-8.63v5.68zM94.21,62.72q0.97,0 1.61,-0.68 0.64,-0.68 0.64,-1.61v-6.27q0,-0.97 -0.72,-1.61 -0.72,-0.64 -1.81,-0.64h-7.97v10.8l7.24,0.02h-0.73q0.29,0 1.74,0z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="m101.36,43.62v21.68h2.88L104.24,51.92q1.49,-0.02 8.24,-0.02 0.97,0 1.61,0.68 0.64,0.66 0.64,1.59L114.74,65.3h2.88L117.62,53.57q0,-1.76 -1.4,-2.99 -1.38,-1.25 -3.35,-1.25h-8.63v-5.7z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="m124.16,49.32q-1.95,0 -3.33,1.25 -1.38,1.24 -1.38,2.99v5.23,3.24q0,1.36 1.11,2.31 1.13,0.95 2.72,0.95h11L134.28,62.81h-10.5q-0.63,0 -1.06,-0.3 -0.41,-0.3 -0.41,-0.79v-2.92h13.4L135.72,53.57q0,-1.76 -1.38,-2.99 -1.38,-1.25 -3.33,-1.25zM124.84,51.92h5.48q1.07,0 1.77,0.64 0.72,0.63 0.73,1.61v2.04h-10.52v-2.04q0,-0.97 0.72,-1.61 0.73,-0.64 1.81,-0.64z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="m142.22,49.3q-1.95,0 -3.33,1.25 -1.38,1.24 -1.38,2.99L137.51,65.28h2.88L140.39,54.16q0,-0.99 0.72,-1.63 0.72,-0.64 1.79,-0.64h6.54v-2.58z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="m151.77,43.62h2.97v21.68h-2.97z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
   <path
       android:pathData="m161.83,43.62q-2.02,0 -3.48,1.43 -1.43,1.43 -1.43,3.46v11.9q0,2.02 1.43,3.46 1.45,1.43 3.48,1.43h15.8L177.63,62.61h-15.1q-1.13,0 -1.88,-0.73 -0.73,-0.75 -0.73,-1.86L159.92,48.91q0,-1.11 0.73,-1.86 0.75,-0.75 1.88,-0.75h15.1v-2.67z"
       android:strokeWidth="0.26458332"
-      android:fillColor="#000000"
-      android:strokeColor="#00000000"/>
+      android:fillColor="#ffffff"
+      android:strokeColor="#ffffffff"/>
 </vector>

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

     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="splash_background">#FF1C1B1F</color>
 </resources>

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

 <resources>
+    <!-- Base application theme. -->
+    <style name="Theme.LEDLampControl" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <!-- Customize your theme here. -->
+    </style>
 
-    <style name="Theme.LEDLampControl" parent="Theme.MaterialComponents.Light" />
+    <!-- Splash Screen theme -->
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/splash_background</item>
+        <item name="windowSplashScreenAnimatedIcon">@mipmap/ic_launcher</item>
+        <item name="postSplashScreenTheme">@style/Theme.LEDLampControl</item>
+    </style>
 </resources>

gradle/libs.versions.toml

 moshiKotlin = "1.15.2"
 moshiKotlinCodegen = "1.15.2"
 material = "1.4.0"
+coreSplashscreen = "1.0.1"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 moshi-kotlin-codegen = { group = "com.squareup.moshi", name = "moshi-kotlin-codegen", version.ref = "moshiKotlinCodegen" }
 androidx-datastore-preferences = { group = "androidx.datastore", name = "datastore-preferences", version.ref = "datastorePreferences" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-core-splashscreen = { group = "androidx.core", name = "core-splashscreen", version.ref = "coreSplashscreen" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }