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NFC csak Androidra javítás ...

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ivanszabo
2025-03-28 15:37:14 +01:00
parent 2341b186ef
commit b69f9af6f3
6 changed files with 142 additions and 213 deletions
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src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml.cs
+16 -74
View File
@@ -4,6 +4,7 @@ using WorkFlowCheck.Common.DTO;
using WorkFlowCheck.MAUI.Pages.BaseStock.CheckPoints;
using WorkFlowCheck.MAUI.Services.Interfaces;
using Plugin.NFC;
using WorkFlowCheck.MAUI.Pages.NFC;
namespace WorkFlowCheck.MAUI.Pages.BaseStock;
@@ -11,7 +12,7 @@ public partial class CheckPointsPage : ContentPage
{
private readonly IBaseStockService _baseStockService;
private readonly ISyncService _syncService;
private bool _onReceiveing = false;
public CheckPointsPage()
{
@@ -51,8 +52,20 @@ public partial class CheckPointsPage : ContentPage
}
private async void OnPairItem(CheckPointDTO checkPointDTO)
{
_checkPointDTO = checkPointDTO;
await BeginListening();
var checkPointCode = await NFCWaiter.ShowModalAsync();
if (!string.IsNullOrEmpty(checkPointCode))
{
if (Navigation.ModalStack.Count > 0)
{
await Navigation.PopModalAsync();
}
if (checkPointDTO != null)
{
checkPointDTO.Code = checkPointCode;
await _baseStockService.UpdateCheckPoint(checkPointDTO);
await LoadCheckPoints();
}
}
}
protected override bool OnBackButtonPressed()
{
@@ -63,75 +76,4 @@ public partial class CheckPointsPage : ContentPage
{
_syncService.SyncCheckPointsUp();
}
#region NFC
bool _eventsAlreadySubscribed = false;
CheckPointDTO _checkPointDTO = null;
async Task BeginListening()
{
try
{
MainThread.BeginInvokeOnMainThread(() =>
{
SubscribeEvents();
CrossNFC.Current.StartListening();
});
}
catch (Exception ex)
{
}
}
async Task EndListening()
{
try
{
MainThread.BeginInvokeOnMainThread(() =>
{
UnsubscribeEvents();
CrossNFC.Current.StopPublishing();
CrossNFC.Current.StopListening();
});
}
catch (Exception ex)
{
}
}
void SubscribeEvents()
{
if (_eventsAlreadySubscribed)
UnsubscribeEvents();
_eventsAlreadySubscribed = true;
CrossNFC.Current.OnMessageReceived += Current_OnMessageReceived_NFCData;
}
void UnsubscribeEvents()
{
CrossNFC.Current.OnMessageReceived -= Current_OnMessageReceived_NFCData;
_eventsAlreadySubscribed = false;
}
async void Current_OnMessageReceived_NFCData(ITagInfo tagInfo)
{
if (_onReceiveing) return;
_onReceiveing = true;
if (tagInfo == null)
{
return;
}
var identifier = tagInfo.Identifier;
var serialNumber = NFCUtils.ByteArrayToHexString(identifier, ":");
if (_checkPointDTO != null)
{
_checkPointDTO.Code = serialNumber;
await _baseStockService.UpdateCheckPoint(_checkPointDTO);
await Task.Delay(500);
await EndListening();
await LoadCheckPoints();
}
_onReceiveing = false;
}
#endregion
}
src/WorkFlowCheck.MAUI/Pages/CheckList/CheckListPage.xaml.cs
+9 -8
View File
@@ -1,4 +1,5 @@
using System.Diagnostics;
using System.Threading.Tasks;
using System.Windows.Input;
using WorkFlowCheck.Common.DTO;
using WorkFlowCheck.MAUI.Pages.NFC;
@@ -55,16 +56,16 @@ public partial class CheckListPage : ContentPage
}
private async void OnContinueItem(CheckListHeaderDTO checkListHeaderDTO)
{
var taskCompletionSource = new TaskCompletionSource<string>();
await Navigation.PushModalAsync(new NFCWaiter(taskCompletionSource));
var checkPintCode = await taskCompletionSource.Task;
if (!string.IsNullOrEmpty(checkPintCode))
var checkPointCode = await NFCWaiter.ShowModalAsync();
if (!string.IsNullOrEmpty(checkPointCode))
{
await Navigation.PopModalAsync();
await Navigation.PushAsync(new CheckListWorkPage(checkListHeaderDTO.Id, checkPintCode));
if (Navigation.ModalStack.Count > 0)
{
await Navigation.PopModalAsync();
}
await Navigation.PushAsync(new CheckListWorkPage(checkListHeaderDTO.Id, checkPointCode));
}
}
private async Task LoadCheckListTemplate()
{
src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml
+9 -7
View File
@@ -2,11 +2,13 @@
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="WorkFlowCheck.MAUI.Pages.NFC.NFCWaiter"
Title="Várakozás NFC olvasásra">
<Grid HorizontalOptions="Center" VerticalOptions="Center">
<Label Grid.Row="0"
Text="Várakozás az NFC beolvasásra ..."
VerticalOptions="Center"
HorizontalOptions="Center" />
</Grid>
Title="Várakozás NFC olvasásra"
BackgroundColor="Black">
<VerticalStackLayout Padding="20" HorizontalOptions="Center" VerticalOptions="Center">
<Label Text="Tartsa a készülékhez az NFC tag-et..."
TextColor="White"
FontSize="20"
HorizontalOptions="Center" />
<ActivityIndicator IsRunning="True" Color="White" />
</VerticalStackLayout>
</ContentPage>
src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml.cs
+67 -111
View File
@@ -1,132 +1,88 @@
using Plugin.NFC;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
namespace WorkFlowCheck.MAUI.Pages.NFC;
public partial class NFCWaiter : ContentPage
{
private bool _nfcIsActive = false;
private TaskCompletionSource<string> _taskCompletionSource = new();
private bool _eventsAlreadySubscribed = false;
private bool _onReceiveing = false;
private TaskCompletionSource<string> _taskCompletionSource;
public static async Task<string> ShowModalAsync()
{
var page = new NFCWaiter();
await Shell.Current.Navigation.PushModalAsync(page);
return await page._taskCompletionSource.Task;
}
public NFCWaiter(TaskCompletionSource<string> taskCompletionSource)
public NFCWaiter()
{
InitializeComponent();
_taskCompletionSource = taskCompletionSource;
}
protected override async void OnAppearing()
{
base.OnAppearing();
CrossNFC.Legacy = false;
if (CrossNFC.IsSupported)
#if ANDROID
if (Platform.CurrentActivity is Android.App.Activity activity && activity is MainActivity mainActivity)
{
if (!CrossNFC.Current.IsAvailable)
await ShowAlert("NFC is not available");
if (!CrossNFC.Current.IsEnabled)
await ShowAlert("NFC is disabled");
await AutoStartAsync().ConfigureAwait(false);
}
else
{
await ShowAlert("NFC is not available");
mainActivity.StartNfc(OnTagRead);
_nfcIsActive = true;
}
#endif
}
protected override void OnDisappearing()
{
base.OnDisappearing();
}
async Task AutoStartAsync()
{
// Some delay to prevent Java.Lang.IllegalStateException "Foreground dispatch can only be enabled when your activity is resumed" on Android
await Task.Delay(500);
await StartListeningIfNotiOS();
}
async Task StartListeningIfNotiOS()
{
await BeginListening();
}
async Task BeginListening()
{
try
{
MainThread.BeginInvokeOnMainThread(() =>
{
SubscribeEvents();
CrossNFC.Current.StartListening();
});
}
catch (Exception ex)
{
//await ShowAlert(ex.Message);
}
}
async Task StopListening()
{
try
{
MainThread.BeginInvokeOnMainThread(() =>
{
CrossNFC.Current.StopListening();
UnsubscribeEvents();
});
}
catch (Exception ex)
{
//await ShowAlert(ex.Message);
}
}
void SubscribeEvents()
{
if (_eventsAlreadySubscribed)
UnsubscribeEvents();
_eventsAlreadySubscribed = true;
CrossNFC.Current.OnMessageReceived += OnMessageReceived_NFCData;
}
void UnsubscribeEvents()
{
CrossNFC.Current.OnMessageReceived -= OnMessageReceived_NFCData;
_eventsAlreadySubscribed = false;
}
async void OnMessageReceived_NFCData(ITagInfo tagInfo)
{
_onReceiveing = true;
if (tagInfo == null)
{
await ShowAlert("No tag found");
_onReceiveing = false;
return;
}
// Customized serial number
var identifier = tagInfo.Identifier;
var serialNumber = NFCUtils.ByteArrayToHexString(identifier, ":");
_taskCompletionSource.TrySetResult(serialNumber);
_onReceiveing = false;
await Task.Delay(500);
await StopListening();
await MainThread.InvokeOnMainThreadAsync(async () =>
{
await Navigation.PopModalAsync();
//await Navigation.PopModalAsync();
await Task.Delay(TimeSpan.FromSeconds(30));
Finish(null);
});
}
Task ShowAlert(string message, string title = null) => DisplayAlert(string.IsNullOrWhiteSpace(title) ? "NFC olvasás" : title, message, "OK");
protected override void OnDisappearing()
{
#if ANDROID
if (Platform.CurrentActivity is Android.App.Activity activity && activity is MainActivity mainActivity)
{
mainActivity.StopNfc();
}
#endif
base.OnDisappearing();
}
private void OnTagRead(string tagId)
{
Finish(tagId);
}
private async void Finish(string tagId)
{
#if ANDROID
if (Platform.CurrentActivity is Android.App.Activity activity && activity is MainActivity mainActivity)
{
if (_nfcIsActive)
{
mainActivity.StopNfc();
_nfcIsActive = false;
}
}
#endif
if (!_taskCompletionSource.Task.IsCompleted)
_taskCompletionSource.SetResult(tagId);
if (Navigation.ModalStack.Count > 0)
{
await Shell.Current.Navigation.PopModalAsync();
}
}
}