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.NET 8 LTS-ben MediaPicker-rel kép készítése

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This commit is contained in:
ivanszabo
2025-02-25 16:07:11 +01:00
parent 5396fc0dcb
commit 1ac31d7d76
5 changed files with 68 additions and 108 deletions
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src/WorkFlowCheck.MAUI/MainPage.xaml.cs
+14 -12
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@@ -1,4 +1,5 @@
using WorkFlowCheck.Common.DTO;
using WorkFlowCheck.MAUI.Pages.Media;
using WorkFlowCheck.MAUI.Services.Interfaces;
namespace WorkFlowCheck.MAUI
{
@@ -29,20 +30,21 @@ namespace WorkFlowCheck.MAUI
}
private async void OnButtonGetUser(object sender, EventArgs e)
{
var response = await _userService.GetUserAsync();
if (response != null)
{
try
{
WelcomeLabel.Text = response.Data.FirstName;
}
catch (Exception ex)
{
//var response = await _userService.GetUserAsync();
//if (response != null)
//{
// try
// {
// WelcomeLabel.Text = response.Data.FirstName;
// }
// catch (Exception ex)
// {
WelcomeLabel.Text = ex.Message;
}
// WelcomeLabel.Text = ex.Message;
// }
}
//}
await Navigation.PushAsync(new CaptureImagePage());
}
private async void OnButtonNFCTest(object sender, EventArgs e)
{
src/WorkFlowCheck.MAUI/MauiProgram.cs
+1
View File
@@ -52,6 +52,7 @@ namespace WorkFlowCheck.MAUI
builder.UseMauiApp<App>()
.UseDevExpressEditors()
.UseMauiCommunityToolkitCamera()
.ConfigureFonts(fonts =>
{
fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
src/WorkFlowCheck.MAUI/Pages/Media/CaptureImagePage.xaml
+10 -69
View File
@@ -4,75 +4,16 @@
xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
x:Class="WorkFlowCheck.MAUI.Pages.Media.CaptureImagePage"
Title="CaptureImagePage">
<Grid RowDefinitions="200,*,Auto,Auto" ColumnDefinitions="3*,*">
<toolkit:CameraView
x:Name="Camera"
Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="2" Grid.RowSpan="3"
CameraFlashMode="{Binding FlashMode}"
ZoomFactor="{Binding CurrentZoom}"
ImageCaptureResolution="{Binding SelectedResolution}"
SelectedCamera="{Binding SelectedCamera}"/>
<Grid Grid.Column="0" Grid.Row="0" RowDefinitions="Auto" BackgroundColor="#80CCCCCC">
<VerticalStackLayout Spacing="5" Padding="5" >
<Label Text="{Binding CameraNameText}" />
<Label Text="{Binding FlashModeText}" />
<Label Text="{Binding ZoomRangeText}" />
<Label Text="{Binding CurrentZoomText}" />
<Label Text="{Binding ResolutionText}" />
<Picker
Title="Available Resolutions"
ItemsSource="{Binding SelectedCamera.SupportedResolutions, FallbackValue=''}"
SelectedItem="{Binding SelectedResolution}" />
<Label x:Name="debugText"/>
<VerticalStackLayout>
<!-- Gomb a kép készítéséhez -->
<Button Text="Kép készítése"
Clicked="OnCaptureClicked" />
<!-- Kép megjelenítése -->
<Frame BorderColor="Gray" Padding="10" Margin="5" HasShadow="True">
<Image x:Name="CapturedImage"
HeightRequest="200"
Aspect="AspectFit" />
</Frame>
</VerticalStackLayout>
</Grid>
<ContentView Grid.Column="1" Grid.Row="0" ZIndex="100" BackgroundColor="#80CCCCCC">
<Image x:Name="image" VerticalOptions="Fill" HorizontalOptions="Fill">
<Image.GestureRecognizers>
<TapGestureRecognizer Tapped="OnImageTapped" />
</Image.GestureRecognizers>
</Image>
</ContentView>
<Grid ColumnDefinitions="Auto,*,Auto" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="2" ColumnSpacing="10" Margin="10"
BackgroundColor="#00000000">
<Button Clicked="ZoomOut" Text="Zoom -" Grid.Column="0"/>
<Slider
x:Name="slider" Grid.Column="1"
Value="{Binding CurrentZoom}"
Maximum="{Binding SelectedCamera.MaximumZoomFactor, FallbackValue=1}"
Minimum="{Binding SelectedCamera.MinimumZoomFactor, FallbackValue=1}"/>
<Button Clicked="ZoomIn" Text="Zoom +" Grid.Column="2"/>
</Grid>
<Grid Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" BackgroundColor="#80CCCCCC">
<FlexLayout Margin="5" JustifyContent="SpaceBetween" Wrap="Wrap">
<Picker
Title="Flash"
IsVisible="{Binding Path=SelectedCamera.IsFlashSupported, FallbackValue=false}"
ItemsSource="{Binding FlashModes}"
SelectedItem="{Binding FlashMode}" />
<Button Command="{Binding CaptureImageCommand, Source={x:Reference Camera}, x:DataType=toolkit:CameraView}"
CommandParameter="{Binding Token}"
Text="Capture Image"/>
<Button Command="{Binding StartCameraPreviewCommand, Source={x:Reference Camera}, x:DataType=toolkit:CameraView}"
CommandParameter="{Binding Token}"
Text="StartCameraPreview" />
<Button Command="{Binding StopCameraPreviewCommand, Source={x:Reference Camera}, x:DataType=toolkit:CameraView}"
Text="StopCameraPreview" />
</FlexLayout>
</Grid>
</Grid>
</ContentPage>
src/WorkFlowCheck.MAUI/Pages/Media/CaptureImagePage.xaml.cs
+33 -18
View File
@@ -1,7 +1,9 @@
using CommunityToolkit.Maui.Views;
using Microsoft.Maui.Controls;
using System;
using Microsoft.Maui.Storage;
namespace WorkFlowCheck.MAUI.Pages.Media;
using Microsoft.Maui.Media;
public partial class CaptureImagePage : ContentPage
{
public CaptureImagePage()
@@ -9,32 +11,45 @@ public partial class CaptureImagePage : ContentPage
InitializeComponent();
}
public string PhotoPath { get; private set; }
private async Task TakePhotoAsync()
private async void OnCaptureClicked(object sender, EventArgs e)
{
if (MediaPicker.Default.IsCaptureSupported)
try
{
FileResult photo = await MediaPicker.Default.CapturePhotoAsync();
if (photo != null)
// Ellenőrizzük, hogy a MediaPicker elérhető-e az eszközön
if (MediaPicker.IsCaptureSupported)
{
// A kép elérési útja
string localFilePath = Path.Combine(FileSystem.CacheDirectory, photo.FileName);
// Kép készítése
var photo = await MediaPicker.CapturePhotoAsync();
// A kép mentése a helyi fájlrendszerbe
using Stream sourceStream = await photo.OpenReadAsync();
using FileStream localFileStream = File.OpenWrite(localFilePath);
await sourceStream.CopyToAsync(localFileStream);
// A kép mentése a fájlrendszerbe
var filePath = Path.Combine(FileSystem.CacheDirectory, "captured_photo.jpg");
// Esetleg megjelenítheted az UI-ban
PhotoPath = localFilePath;
// A kép átmásolása a kívánt helyre
using (var stream = await photo.OpenReadAsync())
using (var fileStream = File.OpenWrite(filePath))
{
await stream.CopyToAsync(fileStream);
}
// A kép megjelenítése
CapturedImage.Source = ImageSource.FromFile(filePath);
}
else
{
await Application.Current.MainPage.DisplayAlert("Hiba", "A kamerához való hozzáférés nem támogatott.", "OK");
// Ha a MediaPicker nem elérhető, hibaüzenet
Console.WriteLine("A fényképezés nem támogatott ezen az eszközön.");
}
}
catch (Exception ex)
{
// Hiba kezelése
Console.WriteLine($"Hiba történt a fényképezés közben: {ex.Message}");
}
}
}
src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
+1
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@@ -59,6 +59,7 @@
<ItemGroup>
<PackageReference Include="AutoMapper" Version="13.0.1" />
<PackageReference Include="CommunityToolkit.Maui" Version="8.0.1" />
<PackageReference Include="CommunityToolkit.Maui.Camera" Version="1.0.5" />
<PackageReference Include="CommunityToolkit.Maui.Core" Version="8.0.1" />
<PackageReference Include="DevExpress.Maui.Controls" Version="24.1.10" />
<PackageReference Include="DevExpress.Maui.Core" Version="24.1.10" />