Initial commit: rosetta-android-prime

app/src/main/java/com/rosetta/messenger/ui/splash/SplashScreen.kt

@@ -0,0 +1,81 @@
+package com.rosetta.messenger.ui.splash
+
+import androidx.compose.animation.core.*
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.scale
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import com.rosetta.messenger.R
+import kotlinx.coroutines.delay
+
+@Composable
+fun SplashScreen(
+    isDarkTheme: Boolean,
+    onSplashComplete: () -> Unit
+) {
+    val backgroundColor = if (isDarkTheme) Color(0xFF1B1B1B) else Color.White
+    
+    // Animation states
+    var startAnimation by remember { mutableStateOf(false) }
+    
+    val scale by animateFloatAsState(
+        targetValue = if (startAnimation) 1f else 0f,
+        animationSpec = spring(
+            dampingRatio = 0.5f,
+            stiffness = Spring.StiffnessLow
+        ),
+        label = "scale"
+    )
+    
+    val pulseScale by rememberInfiniteTransition(label = "pulse").animateFloat(
+        initialValue = 1f,
+        targetValue = 1.1f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(800, easing = FastOutSlowInEasing),
+            repeatMode = RepeatMode.Reverse
+        ),
+        label = "pulseScale"
+    )
+    
+    LaunchedEffect(Unit) {
+        startAnimation = true
+        delay(2000) // Show splash for 2 seconds
+        onSplashComplete()
+    }
+    
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(backgroundColor),
+        contentAlignment = Alignment.Center
+    ) {
+        // Glow effect behind logo
+        Box(
+            modifier = Modifier
+                .size(180.dp)
+                .scale(scale * pulseScale)
+                .background(
+                    color = Color(0xFF54A9EB).copy(alpha = 0.2f),
+                    shape = CircleShape
+                )
+        )
+        
+        // Main logo
+        Image(
+            painter = painterResource(id = R.drawable.rosetta_icon),
+            contentDescription = "Rosetta Logo",
+            modifier = Modifier
+                .size(150.dp)
+                .scale(scale)
+                .clip(CircleShape)
+        )
+    }
+}