89 lines
3.0 KiB
C#
89 lines
3.0 KiB
C#
using Android.App;
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using Android.Content;
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using Android.Content.PM;
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using Android.Nfc;
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using Android.Nfc.Tech;
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using Android.OS;
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using Com.Lvcheng.Lock.Shared.Nfc.Example.Java;
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using NFCLockDemoV2;
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using NFCLockDemoV2.Platforms.Android;
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using NFCLockDemoV2.ViewModels;
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using Microsoft.Maui;
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using Microsoft.Maui.Controls;
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namespace NFCLockAppV2;
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[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, LaunchMode = LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density, Exported = true)]
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[IntentFilter(new[] { Intent.ActionMain }, Categories = new[] { Intent.CategoryLauncher })]
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[IntentFilter(new[] { NfcAdapter.ActionNdefDiscovered }, Categories = new[] { Intent.CategoryDefault }, DataMimeType = "text/plain")]
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public class MainActivity : MauiAppCompatActivity
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{
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private NFCHelper? nfcHelper;
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private MainViewModel mainViewModel;
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/*private NfcAdapter? nfcAdapter;
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private PendingIntent? pendingIntent;
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private IntentFilter[]? intentFilters = [];
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private string[][] techLict = new string[1][] { [typeof(NfcA).FullName] };*/
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protected override void OnCreate(Bundle savedInstanceState)
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{
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base.OnCreate(savedInstanceState);
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// 初始化 NFC Helper
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InitializeNFC();
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/*nfcAdapter = NfcAdapter.GetDefaultAdapter(this);
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pendingIntent = PendingIntent.GetActivity(this, 0, new Intent(this, typeof(MainActivity)).AddFlags(ActivityFlags.ReceiverReplacePending), PendingIntentFlags.Mutable); */
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}
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private void InitializeNFC()
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{
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if (!TryInitializeNFC())
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{
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// 延迟到UI线程完全准备好后再尝试
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Microsoft.Maui.Controls.Application.Current.Dispatcher.Dispatch(() =>
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{
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TryInitializeNFC();
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});
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}
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}
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private bool TryInitializeNFC()
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{
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if (nfcHelper != null && mainViewModel != null)
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return true;
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MainViewModel viewModel = null;
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if (Microsoft.Maui.Controls.Application.Current?.Handler?.MauiContext?.Services != null)
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{
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viewModel = Microsoft.Maui.Controls.Application.Current.Handler.MauiContext.Services.GetService<MainViewModel>();
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}
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if (viewModel != null)
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{
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NFCCallbacks nFCCallbacks = new NFCCallbacks(viewModel);
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nfcHelper = new NFCHelper(this, nFCCallbacks);
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return true;
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}
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return false;
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}
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protected override void OnResume()
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{
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base.OnResume();
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// 确保NFC功能在每次恢复时都已初始化
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InitializeNFC();
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nfcHelper.OnResume();
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}
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protected override void OnPause()
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{
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base.OnPause();
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nfcHelper.OnPause();
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}
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protected override void OnNewIntent(Intent intent)
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{
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base.OnNewIntent(intent);
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nfcHelper.OnNewIntent(intent);
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}
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} |