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<?xml version = "1.0" encoding = "UTF-8" ?> | ||
<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui" | ||
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" | ||
xmlns:local="clr-namespace:MauiBarcode" | ||
x:Class="MauiBarcode.App"> | ||
<Application.Resources> | ||
<ResourceDictionary> | ||
<ResourceDictionary.MergedDictionaries> | ||
<ResourceDictionary Source="Resources/Styles/Colors.xaml" /> | ||
<ResourceDictionary Source="Resources/Styles/Styles.xaml" /> | ||
</ResourceDictionary.MergedDictionaries> | ||
</ResourceDictionary> | ||
</Application.Resources> | ||
</Application> |
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namespace MauiBarcode; | ||
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public partial class App : Application | ||
{ | ||
public App() | ||
{ | ||
InitializeComponent(); | ||
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MainPage = new AppShell(); | ||
} | ||
} |
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<?xml version="1.0" encoding="UTF-8" ?> | ||
<Shell | ||
x:Class="MauiBarcode.AppShell" | ||
xmlns="http://schemas.microsoft.com/dotnet/2021/maui" | ||
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" | ||
xmlns:local="clr-namespace:MauiBarcode" | ||
Shell.FlyoutBehavior="Disabled" | ||
Title="MauiBarcode"> | ||
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<TabBar> | ||
<ShellContent | ||
Title="CommunityToolkit MAUI Camera" | ||
ContentTemplate="{DataTemplate local:CommunityToolkitCameraPage}" | ||
Route="CommunityToolkitCameraPage" /> | ||
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<ShellContent | ||
Title="ZXing Camera MAUI" | ||
ContentTemplate="{DataTemplate local:ZxingCameraPage}" | ||
Route="ZxingCameraPage" /> | ||
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<ShellContent | ||
IsVisible="{OnPlatform Android=true, Default=false}" | ||
Title="MLKit Scanner (Android only)" | ||
ContentTemplate="{DataTemplate local:MainPage}" | ||
Route="MainPage" /> | ||
</TabBar> | ||
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</Shell> |
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namespace MauiBarcode; | ||
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public partial class AppShell : Shell | ||
{ | ||
public AppShell() | ||
{ | ||
InitializeComponent(); | ||
} | ||
} |
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<?xml version="1.0" encoding="utf-8" ?> | ||
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" | ||
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" | ||
xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit" | ||
x:Class="MauiBarcode.CommunityToolkitCameraPage"> | ||
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<Grid> | ||
<toolkit:CameraView x:Name="ToolkitCameraView" /> | ||
</Grid> | ||
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</ContentPage> |
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namespace MauiBarcode; | ||
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#if WINDOWS | ||
using Windows.Graphics.Imaging; | ||
using System.Runtime.InteropServices.WindowsRuntime; | ||
#endif | ||
using Camera.MAUI.ZXing; | ||
using CommunityToolkit.Maui.Alerts; | ||
using CommunityToolkit.Maui.Core; | ||
using CommunityToolkit.Maui.Views; | ||
using Microsoft.Maui.Graphics.Platform; | ||
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public partial class CommunityToolkitCameraPage : ContentPage | ||
{ | ||
private readonly ZXingBarcodeDecoder barcodeReader = new (); | ||
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public CommunityToolkitCameraPage() | ||
{ | ||
InitializeComponent(); | ||
} | ||
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protected override async void OnAppearing() | ||
{ | ||
base.OnAppearing(); | ||
ToolkitCameraView.MediaCaptured += OnMediaCaptured; | ||
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var cameras = await ToolkitCameraView.GetAvailableCameras(CancellationToken.None); | ||
ToolkitCameraView.SelectedCamera = cameras.FirstOrDefault(x => x.Position != CommunityToolkit.Maui.Core.Primitives.CameraPosition.Front); | ||
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await Task.Delay(1000); | ||
await ToolkitCameraView.StartCameraPreview(CancellationToken.None); | ||
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PeriodicTimer timer = new(TimeSpan.FromMilliseconds(3000)); | ||
while (await timer.WaitForNextTickAsync()) | ||
{ | ||
await ToolkitCameraView.CaptureImage(CancellationToken.None); | ||
} | ||
} | ||
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protected override void OnDisappearing() | ||
{ | ||
ToolkitCameraView.MediaCaptured -= OnMediaCaptured; | ||
base.OnDisappearing(); | ||
} | ||
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private async void OnMediaCaptured(object? sender, MediaCapturedEventArgs e) | ||
{ | ||
try | ||
{ | ||
var image = PlatformImage.FromStream(e.Media); | ||
#if ANDROID | ||
var results = barcodeReader.Decode(image.AsBitmap()); | ||
#elif IOS || MACCATALYST | ||
var results = barcodeReader.Decode(image.AsUIImage()); | ||
#elif WINDOWS | ||
var softwareBitmap = SoftwareBitmap.CreateCopyFromBuffer( | ||
image.AsBytes().AsBuffer(), | ||
BitmapPixelFormat.Rgba16, | ||
(int)image.Width, | ||
(int)image.Height); | ||
var results = barcodeReader.Decode(softwareBitmap); | ||
#else | ||
var results = new List<BarcodeResult>(); | ||
#endif | ||
foreach (var result in results ?? []) | ||
{ | ||
await MainThread.InvokeOnMainThreadAsync(async () => | ||
{ | ||
await Toast.Make(result.Text, ToastDuration.Long).Show(); | ||
}); | ||
} | ||
} | ||
catch (Exception exception) | ||
{ | ||
Console.WriteLine(exception); | ||
} | ||
} | ||
} |
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<?xml version="1.0" encoding="utf-8" ?> | ||
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" | ||
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" | ||
x:Class="MauiBarcode.MainPage"> | ||
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<ScrollView> | ||
<VerticalStackLayout | ||
Padding="30,0" | ||
Spacing="25"> | ||
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<Button | ||
Text="MLKit Scanner (Android only)" | ||
Clicked="OnMlKitScannerClicked" | ||
HorizontalOptions="Fill" /> | ||
</VerticalStackLayout> | ||
</ScrollView> | ||
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</ContentPage> |
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namespace MauiBarcode; | ||
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using CommunityToolkit.Maui.Alerts; | ||
using CommunityToolkit.Maui.Core; | ||
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public partial class MainPage : ContentPage | ||
{ | ||
public MainPage() | ||
{ | ||
InitializeComponent(); | ||
} | ||
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private async void OnMlKitScannerClicked(object sender, EventArgs e) | ||
{ | ||
#if ANDROID | ||
using var mlkit = new MlKitBarcodeScanner(); | ||
var barcode = await mlkit.ScanAsync(); | ||
await MainThread.InvokeOnMainThreadAsync(async () => | ||
{ | ||
await Toast.Make(barcode is null ? "Error has occurred during barcode scanning" : barcode.RawValue, ToastDuration.Long).Show(); | ||
}); | ||
#else | ||
await Toast.Make("This feature is only available on Android", ToastDuration.Long).Show(); | ||
#endif | ||
} | ||
} |
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<Project Sdk="Microsoft.NET.Sdk"> | ||
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<PropertyGroup> | ||
<OutputType>Exe</OutputType> | ||
<RootNamespace>MauiBarcode</RootNamespace> | ||
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<!-- Display name --> | ||
<ApplicationTitle>MauiBarcode</ApplicationTitle> | ||
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<!-- App Identifier --> | ||
<ApplicationId>com.vladislavantonyuk.mauibarcode</ApplicationId> | ||
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<!-- Versions --> | ||
<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion> | ||
<ApplicationVersion>1</ApplicationVersion> | ||
</PropertyGroup> | ||
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<ItemGroup> | ||
<!-- App Icon --> | ||
<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" /> | ||
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<!-- Splash Screen --> | ||
<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" /> | ||
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</ItemGroup> | ||
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<ItemGroup Condition="'$(TargetFramework)' == '$(NetVersion)-android'"> | ||
<PackageReference Include="Xamarin.AndroidX.Collection.Ktx" Version="1.4.0.1" /> | ||
<PackageReference Include="Xamarin.GooglePlayServices.Code.Scanner" Version="116.1.0.4" /> | ||
</ItemGroup> | ||
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<ItemGroup> | ||
<PackageReference Include="Camera.MAUI.ZXing" Version="1.0.0" /> | ||
<PackageReference Include="CommunityToolkit.Maui.Camera" Version="1.0.2" /> | ||
<PackageReference Include="CommunityToolkit.Maui" Version="9.0.1" /> | ||
</ItemGroup> | ||
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</Project> |
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