Updated on 2026-08-14

features/qr-scanning/impl/src/main/java/com/tangem/feature/qrscanning/QrScanningFragment.kt

@@ -5,12 +5,16 @@ import android.content.pm.PackageManager
 import android.os.Bundle
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.core.content.ContextCompat
-import androidx.core.view.WindowCompat
 import androidx.fragment.app.viewModels
-import com.tangem.core.ui.components.SystemBarsEffect
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import com.google.accompanist.systemuicontroller.rememberSystemUiController
+import com.tangem.core.ui.res.TangemTheme
 import com.tangem.core.ui.screen.ComposeFragment
 import com.tangem.core.ui.theme.AppThemeModeHolder
 import com.tangem.feature.qrscanning.inner.MLKitBarcodeAnalyzer
@@ -57,22 +61,18 @@ internal class QrScanningFragment : ComposeFragment() {
 
     override fun onDestroy() {
         super.onDestroy()
-        setFitSystemWindows(fit = true)
         cameraPermissionLauncher.unregister()
         cameraExecutor.shutdown()
     }
 
     @Composable
     override fun ScreenContent(modifier: Modifier) {
-        SystemBarsEffect {
-            setSystemBarsColor(Color.Transparent, darkIcons = false)
-        }
+        StatusBarTransparencyDisposable()
         QrScanningContent(
             executor = { cameraExecutor },
             analyzer = { analyzer },
             uiState = viewModel.uiState,
         )
-        setFitSystemWindows(fit = false)
     }
 
     private fun requestCameraPermission() {
@@ -86,14 +86,33 @@ internal class QrScanningFragment : ComposeFragment() {
         }
     }
 
-    private fun setFitSystemWindows(fit: Boolean) {
-        activity?.window?.let {
-            WindowCompat.setDecorFitsSystemWindows(it, fit)
-        }
-    }
-
     companion object {
 
         fun create() = QrScanningFragment()
     }
+}
+
+@Composable
+private fun StatusBarTransparencyDisposable() {
+    val systemUiController = rememberSystemUiController()
+    val systemBarsColor = TangemTheme.colors.background.secondary
+    val lifecycleOwner = LocalLifecycleOwner.current
+    DisposableEffect(Unit) {
+        val observer = LifecycleEventObserver { _, event ->
+            if (event == Lifecycle.Event.ON_START) {
+                systemUiController.setSystemBarsColor(
+                    color = Color.Transparent,
+                    darkIcons = false,
+                )
+            }
+            if (event == Lifecycle.Event.ON_STOP) {
+                systemUiController.setSystemBarsColor(systemBarsColor)
+            }
+        }
+        lifecycleOwner.lifecycle.addObserver(observer)
+
+        onDispose {
+            lifecycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
 }