Refactoring: move Scaffold into CameraScreen

app/src/main/java/org/mydomain/myscan/MainActivity.kt

@@ -26,10 +26,7 @@ import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.getValue
-import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.core.content.FileProvider
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
@@ -54,19 +51,16 @@ class MainActivity : ComponentActivity() {
             val pageIds by viewModel.pageIds.collectAsStateWithLifecycle()
             val context = LocalContext.current
             MyScanTheme {
-
                 Column {
                     when (val screen = currentScreen) {
                         is Screen.Camera -> {
-                                Scaffold { innerPadding->
                             CameraScreen(
-                                        viewModel, liveAnalysisState,
+                                viewModel,
+                                liveAnalysisState,
                                 onImageAnalyzed = { image -> viewModel.liveAnalysis(image) },
                                 onFinalizePressed = { viewModel.navigateTo(Screen.FinalizeDocument()) },
-                                        modifier = Modifier.padding(innerPadding)
                             )
                         }
-                            }
                         is Screen.FinalizeDocument -> {
                             DocumentScreen (
                                 pageIds,

app/src/main/java/org/mydomain/myscan/view/CameraScreen.kt

@@ -40,6 +40,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material3.Button
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -77,7 +78,6 @@ fun CameraScreen(
     liveAnalysisState: LiveAnalysisState,
     onImageAnalyzed: (ImageProxy) -> Unit,
     onFinalizePressed: () -> Unit,
-    modifier: Modifier,
 ) {
     var previewView by remember { mutableStateOf<PreviewView?>(null) }
     val pageIds by viewModel.pageIds.collectAsStateWithLifecycle()
@@ -101,9 +101,7 @@ fun CameraScreen(
             listState.animateScrollToItem(pageIds.lastIndex)
         }
     }
-
+    CameraScreenScaffold(
-    CameraScreenContent(
-        modifier,
         cameraPreview = {
             CameraPreview(
                 onImageAnalyzed = onImageAnalyzed,
@@ -132,15 +130,15 @@ fun CameraScreen(
 }
 
 @Composable
-private fun CameraScreenContent(
+private fun CameraScreenScaffold(
-    modifier: Modifier,
     cameraPreview: @Composable () -> Unit,
     pageList: @Composable () -> Unit,
     cameraUiState: CameraUiState,
     onCapture: () -> Unit,
     onFinalizePressed: () -> Unit,
 ) {
-    Box(modifier = modifier.fillMaxSize()) {
+    Scaffold { innerPadding ->
+        Box(modifier = Modifier.padding(innerPadding).fillMaxSize()) {
             CameraPreviewWithOverlay(cameraPreview, cameraUiState)
             MessageBox(cameraUiState.liveAnalysisState.inferenceTime)
 
@@ -161,7 +159,8 @@ private fun CameraScreenContent(
             cameraUiState.captureState.processedImage?.let {
                 Surface(
                     color = Color.Black.copy(alpha = 0.3f),
-                modifier = Modifier.fillMaxSize())
+                    modifier = Modifier.fillMaxSize()
+                )
                 {}
                 Image(
                     bitmap = it.asImageBitmap(),
@@ -171,6 +170,7 @@ private fun CameraScreenContent(
             }
         }
     }
+}
 
 @Composable
 fun CaptureButton(onClick: () -> Unit, modifier: Modifier) {
@@ -292,8 +292,7 @@ fun CameraScreenPreviewWithProcessedImage() {
 private fun ScreenPreview(captureState: CaptureState) {
     val context = LocalContext.current
     MyScanTheme {
-        CameraScreenContent(
+        CameraScreenScaffold(
-            modifier = Modifier,
             cameraPreview = {
                 Box(
                     modifier = Modifier