Spatial Computing UI

import 'dart:ui';

class SpatialComputingScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        fit: StackFit.expand,
        children: [
          // Simulated Environment
          Image.asset('assets/living-room.jpg', fit: BoxFit.cover),
          
          Center(
            child: ClipRRect(
              borderRadius: BorderRadius.circular(32),
              child: BackdropFilter(
                filter: ImageFilter.blur(sigmaX: 40.0, sigmaY: 40.0), // Heavy blur
                child: Container(
                  width: 600, height: 400,
                  decoration: BoxDecoration(
                    color: Colors.white.withOpacity(0.15), // Glass tint
                    borderRadius: BorderRadius.circular(32),
                    border: Border.all(color: Colors.white.withOpacity(0.4), width: 1), // Specular highlight
                    // Note: BoxShadow won't render under BackdropFilter nicely unless wrapped in a separate PhysicalModel
                  ),
                  child: Center(
                    child: Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        const Text('Spatial Window', style: TextStyle(color: Colors.white, fontSize: 32, fontWeight: FontWeight.bold)),
                        const SizedBox(height: 32),
                        // Simulated Gaze Button
                        InkWell(
                          onTap: () {},
                          borderRadius: BorderRadius.circular(50),
                          hoverColor: Colors.white.withOpacity(0.4), // Reacts to mouse/gaze
                          child: Container(
                            padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 16),
                            decoration: BoxDecoration(color: Colors.black.withOpacity(0.2), borderRadius: BorderRadius.circular(50)),
                            child: const Text('Focus Me', style: TextStyle(color: Colors.white, fontSize: 18)),
                          ),
                        )
                      ],
                    ),
                  ),
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

// REQUIRES: @react-native-community/blur
import { BlurView } from '@react-native-community/blur';

const SpatialComputingScreen = () => {
  return (
    <ImageBackground source={{uri: 'room_bg'}} style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      
      {/* Spatial Window */}
      <View style={{
        width: '90%', height: 400,
        shadowColor: '#000', shadowOffset: { width: 0, height: 30 },
        shadowOpacity: 0.3, shadowRadius: 40, elevation: 20
      }}>
        <BlurView
          style={{ flex: 1, borderRadius: 32, borderWidth: 1, borderColor: 'rgba(255,255,255,0.4)', padding: 40, justifyContent: 'center', alignItems: 'center' }}
          blurType="light"
          blurAmount={30}
          reducedTransparencyFallbackColor="gray"
        >
          <Text style={{ color: '#FFF', fontSize: 32, fontWeight: 'bold', marginBottom: 32 }}>
            Spatial Window
          </Text>

          {/* Touchable simulating Gaze */}
          <TouchableOpacity style={{
            backgroundColor: 'rgba(0,0,0,0.2)', paddingVertical: 16, paddingHorizontal: 32, borderRadius: 50
          }}>
            <Text style={{ color: '#FFF', fontSize: 18, fontWeight: '600' }}>Focus Me</Text>
          </TouchableOpacity>
        </BlurView>
      </View>

    </ImageBackground>
  );
};

@Composable
fun SpatialComputingScreen() {
    Box(modifier = Modifier.fillMaxSize()) {
        // Environment
        Image(painterResource(R.drawable.living_room), contentDescription = null, contentScale = ContentScale.Crop, modifier = Modifier.fillMaxSize())
        
        // Spatial Window
        Box(
            modifier = Modifier
                .align(Alignment.Center)
                .size(600.dp, 400.dp)
                // Note: Native Android background blur requires Android 12+ (RenderEffect)
                .graphicsLayer {
                    renderEffect = RenderEffect.createBlurEffect(40f, 40f, Shader.TileMode.DECAL).asComposeRenderEffect()
                    clip = true
                    shape = RoundedCornerShape(32.dp)
                }
                .background(Color.White.copy(alpha = 0.15f))
                .border(1.dp, Color.White.copy(alpha = 0.4f), RoundedCornerShape(32.dp))
                .padding(40.dp),
            contentAlignment = Alignment.Center
        ) {
            Column(horizontalAlignment = Alignment.CenterHorizontally) {
                Text("Spatial Window", color = Color.White, fontSize = 32.sp, fontWeight = FontWeight.Bold)
                Spacer(Modifier.height(32.dp))
                
                // Button
                Box(
                    modifier = Modifier
                        .background(Color.Black.copy(alpha = 0.2f), CircleShape)
                        .clickable { }
                        .padding(horizontal = 32.dp, vertical = 16.dp)
                ) {
                    Text("Focus Me", color = Color.White, fontSize = 18.sp, fontWeight = FontWeight.SemiBold)
                }
            }
        }
    }
}