Skip to content

Update iOS orientation handling for application orientation and orientation changes #186

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
bstadick wants to merge 3 commits into
base: main
Choose a base branch
from
Open

Update iOS orientation handling for application orientation and orientation changes #186

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7b29fa1
Update ios orientation handling
bstadick May 8, 2024
c7cecad
Merge branch 'Redth:main' into bugfix-40-ios-orientation
bstadick Sep 13, 2024
d7118fc
Update workflow action versions
bstadick Dec 9, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions .github/workflows/main.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,9 @@ jobs:
runs-on: windows-latest
steps:
- name: Checkout
uses: actions/checkout@v2
uses: actions/checkout@v4.2.2
- name: Setup .NET
uses: actions/setup-dotnet@v3
uses: actions/setup-dotnet@v4.1.0
with:
dotnet-version: '7.0.x'
- name: Setup NuGet 5.x
Expand Down Expand Up @@ -52,7 +52,7 @@ jobs:
nuget sign .\artifacts\*.nupkg -CertificatePath $pfxPath -Timestamper http://timestamp.entrust.net/TSS/RFC3161sha2TS

- name: Artifacts
uses: actions/upload-artifact@v1
uses: actions/upload-artifact@v4.4.3
with:
name: NuGet
path: ./artifacts
Expand All @@ -64,11 +64,11 @@ jobs:
if: github.event_name == 'release'
steps:
- name: Download Artifacts
uses: actions/download-artifact@v1
uses: actions/download-artifact@v4.1.8
with:
name: NuGet
- name: Setup .NET Core
uses: actions/setup-dotnet@v3
uses: actions/setup-dotnet@v4.1.0
with:
dotnet-version: '7.0.x'
- name: Push NuGet
Expand Down
46 changes: 36 additions & 10 deletions ZXing.Net.MAUI/Apple/CameraManager.ios.maccatalyst.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ internal partial class CameraManager
AVCaptureVideoPreviewLayer videoPreviewLayer;
CaptureDelegate captureDelegate;
DispatchQueue dispatchQueue;
NSObject orientationObserver;
Dictionary<NSString, MSize> Resolutions => new()
{
{ AVCaptureSession.Preset352x288, new MSize(352, 288) },
Expand All @@ -43,11 +44,22 @@ public NativePlatformCameraPreviewView CreateNativeView()
videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession);
videoPreviewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill;

// Observe device orientation changes to reapply layout subview
orientationObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIDevice.OrientationDidChangeNotification, OrientationChanged);

view = new PreviewView(videoPreviewLayer);

return view;
}

private void OrientationChanged(NSNotification notification)
{
if (view != null)
{
view.LayoutSubviews();
}
}

public void Connect()
{
UpdateCamera();
Expand Down Expand Up @@ -161,6 +173,13 @@ public void Disconnect()
captureDevice.Dispose();
captureDevice = null;
}

// Removing the orientationObserver
if (orientationObserver != null)
{
NSNotificationCenter.DefaultCenter.RemoveObserver(orientationObserver);
orientationObserver = null;
}
}
}

Expand All @@ -176,7 +195,7 @@ public void UpdateTorch(bool on)
{
CaptureDevicePerformWithLockedConfiguration(() =>
captureDevice.TorchMode = on ? AVCaptureTorchMode.On : AVCaptureTorchMode.Off);
}
}
}
catch (Exception ex)
{
Expand Down Expand Up @@ -258,26 +277,33 @@ public PreviewView(AVCaptureVideoPreviewLayer layer) : base()
public override void LayoutSubviews()
{
base.LayoutSubviews();

// Determine the UIInterfaceOrientation based on the current interface (application) orientation instead of the device orientation
UIInterfaceOrientation uiInterfaceOrientation = (UIInterfaceOrientation)UIApplication.SharedApplication.ConnectedScenes.ToArray()
.Select(x => x as UIWindowScene)
.LastOrDefault(x => x?.Windows != null && x.Windows.Any(y => y.IsKeyWindow))?.InterfaceOrientation;

CATransform3D transform = CATransform3D.MakeRotation(0, 0, 0, 1.0f);
switch (UIDevice.CurrentDevice.Orientation)

switch (uiInterfaceOrientation)
{
case UIDeviceOrientation.Portrait:
case UIInterfaceOrientation.Portrait:
transform = CATransform3D.MakeRotation(0, 0, 0, 1.0f);
break;
case UIDeviceOrientation.PortraitUpsideDown:
transform = CATransform3D.MakeRotation((nfloat)Math.PI, 0, 0, 1.0f);
case UIInterfaceOrientation.PortraitUpsideDown:
transform = CATransform3D.MakeRotation((nfloat)(Math.PI), 0, 0, 1.0f);
break;
case UIDeviceOrientation.LandscapeLeft:
transform = CATransform3D.MakeRotation((nfloat)(-Math.PI / 2), 0, 0, 1.0f);
case UIInterfaceOrientation.LandscapeLeft:
transform = CATransform3D.MakeRotation((nfloat)(Math.PI / 2), 0, 0, 1.0f);
break;
case UIDeviceOrientation.LandscapeRight:
transform = CATransform3D.MakeRotation((nfloat)Math.PI / 2, 0, 0, 1.0f);
case UIInterfaceOrientation.LandscapeRight:
transform = CATransform3D.MakeRotation((nfloat)(-Math.PI / 2), 0, 0, 1.0f);
break;
}

PreviewLayer.Transform = transform;
PreviewLayer.Frame = Layer.Bounds;
}
}
}
}
#endif