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fix: rotate camera preview on android only when rotateOnAndroid param… #36

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Merged
smallTrogdor merged 1 commit into from
Jun 16, 2025
Merged

fix: rotate camera preview on android only when rotateOnAndroid param… #36

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5 changes: 5 additions & 0 deletions lib/widgets/data_scanner.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,9 @@ class DataScannerConfiguration<T> {
/// Whether to show the torch toggle. Defaults to `false`.
final bool showTorchToggle;

/// Whether to rotate the camera preview on Android. Defaults to `false`. Consider this a workaround!
final bool rotateOnAndroid;

/// Where to position the torch toggle. Defaults to [Alignment.bottomCenter]
final Alignment torchToggleAlignment;

Expand Down Expand Up @@ -100,6 +103,7 @@ class DataScannerConfiguration<T> {
this.torchToggleAlignment = Alignment.bottomCenter,
this.torchToggleMargin = const EdgeInsets.all(32),
this.detectionOutline,
this.rotateOnAndroid = false,
RouteObserver<ModalRoute>? routeObserver,
}) : _routeObserver = routeObserver ?? RouteObserver();
}
Expand Down Expand Up @@ -387,6 +391,7 @@ class _DataScannerState<T> extends State<DataScanner> with RouteAware {
SizedCameraPreview(
size: _calculatedSize!,
cameraController: cameraController,
rotateOnAndroid: scannerConfiguration.rotateOnAndroid,
),
if (scannerConfiguration.showOverlay)
CameraOverlay(
Expand Down
6 changes: 5 additions & 1 deletion lib/widgets/sized_camera_preview.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,9 @@ import 'package:flutter/material.dart';

/// Sized and scaled [CameraPreview] wrapper.
class SizedCameraPreview<T> extends StatefulWidget {
/// temporary Workaround: rotate Camera Preview on Android Devices
final bool rotateOnAndroid;

/// Size of the clipped preview.
final Size size;

Expand All @@ -15,6 +18,7 @@ class SizedCameraPreview<T> extends StatefulWidget {
Key? key,
required this.size,
required this.cameraController,
this.rotateOnAndroid = false,
}) : super(key: key);

@override
Expand Down Expand Up @@ -48,7 +52,7 @@ class _SizedCameraPreviewState<T> extends State<SizedCameraPreview> {
}

Widget _rotatedOnAndroid(Widget content) {
if (Platform.isAndroid) {
if (widget.rotateOnAndroid && Platform.isAndroid) {
return RotatedBox(
quarterTurns: 1,
child: content,
Expand Down