v1.2.1 待发布

ln_jq_app/lib/pages/qr_code/controller.dart

@@ -1,17 +1,13 @@
 import 'dart:io';
-import 'dart:typed_data';
-
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 import 'package:getx_scaffold/getx_scaffold.dart';
-import 'package:image/image.dart' as img;
 import 'package:image_picker/image_picker.dart';
 import 'package:ln_jq_app/common/model/base_model.dart';
 import 'package:ln_jq_app/common/model/vehicle_info.dart';
 import 'package:ln_jq_app/storage_service.dart';
-import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
-import 'package:zxing_lib/common.dart';
-import 'package:zxing_lib/qrcode.dart';
-import 'package:zxing_lib/zxing.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+import 'package:permission_handler/permission_handler.dart';
 
 class QrCodeController extends GetxController
     with BaseControllerMixin, GetSingleTickerProviderStateMixin {
@@ -22,11 +18,11 @@ class QrCodeController extends GetxController
   late final AnimationController animationController;
   late final Animation<double> scanAnimation;
 
-  // --- QR Scanning ---
-  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
-  QRViewController? qrViewController;
-  final Rx<Barcode?> result = Rx<Barcode?>(null);
+  // --- 使用 MobileScanner 的控制器 ---
+  final MobileScannerController scannerController = MobileScannerController();
+
   final RxBool isFlashOn = false.obs;
+  final RxBool isProcessingResult = false.obs;
 
   @override
   void onInit() {
@@ -37,140 +33,114 @@ class QrCodeController extends GetxController
       duration: const Duration(milliseconds: 2500),
       vsync: this,
     );
-    scanAnimation = Tween<double>(begin: 0, end: 1).animate(animationController);
+    scanAnimation =
+        Tween<double>(begin: 0, end: 1).animate(animationController);
     animationController.repeat(reverse: false);
   }
 
-  /// 当 QRView 创建时调用
-  void onQRViewCreated(QRViewController controller) {
-    this.qrViewController = controller;
-    // 监听扫描到的数据
-    controller.scannedDataStream.listen((scanData) {
-      if (scanData.code != null && result.value?.code != scanData.code) {
-        result.value = scanData;
-        qrViewController?.pauseCamera();
+  /// MobileScanner 的 onDetect 回调方法
+  void onDetect(BarcodeCapture capture) {
+    if (isProcessingResult.value) return;
 
-        animationController.stop();
-
-        renderResult(scanData.code!);
-      }
-    });
+    final Barcode? barcode = capture.barcodes.firstOrNull;
+    if (barcode?.rawValue != null && barcode!.rawValue!.isNotEmpty) {
+      isProcessingResult.value = true;
+      scannerController.stop();
+      animationController.stop();
+      print("相机识别到的内容: ${barcode.rawValue!}");
+      renderResult(barcode.rawValue!);
+    }
   }
 
+  /// 恢复扫描状态
   void resumeScanner() {
-    result.value = null;
-    qrViewController?.resumeCamera();
+    isProcessingResult.value = false;
+    try {
+      scannerController.start();
+    } catch (e) {
+      print("无法重启相机: $e");
+    }
     animationController.repeat(reverse: false);
   }
 
   /// 从相册选择图片并扫描二维码
   void scanFromGallery() async {
     try {
-      final XFile? imageFile = await ImagePicker().pickImage(source: ImageSource.gallery);
-      if (imageFile == null) return; // 用户取消了选择
-
-      qrViewController?.pauseCamera();
-      animationController.stop();
-
-      String? scanResult;
-      try {
-        final image = img.decodeImage(await File(imageFile.path).readAsBytes());
-        if (image != null) {
-          //扫描图片
-          final pixels = Int32List.fromList(
-            image.map((pixel) {
-              return (pixel.a.toInt() << 24) |
-                  (pixel.r.toInt() << 16) |
-                  (pixel.g.toInt() << 8) |
-                  pixel.b.toInt();
-            }).toList(),
-          );
-
-          final source = RGBLuminanceSource(image.width, image.height, pixels);
-
-          final bitmap = BinaryBitmap(HybridBinarizer(source));
-          final reader = QRCodeReader();
-          final result = reader.decode(bitmap);
-          scanResult = result.text;
-        }
-      } on NotFoundException {
-        scanResult = null;
-      } catch (e) {
-        //异常
-        scanResult = null;
+      final XFile? imageFile =
+      await ImagePicker().pickImage(source: ImageSource.gallery);
+      if (imageFile == null) {
+        return;
       }
 
-      if (scanResult != null) {
+      scannerController.stop();
+      animationController.stop();
+      showLoading("正在识别...");
+
+      final BarcodeCapture? capture =
+      await scannerController.analyzeImage(imageFile.path);
+
+      dismissLoading();
+
+      final Barcode? firstBarcode = capture?.barcodes.firstOrNull;
+
+      if (firstBarcode?.rawValue != null &&
+          firstBarcode!.rawValue!.isNotEmpty) {
+        final String scanResult = firstBarcode.rawValue!;
+        print("相册识别到的内容: $scanResult");
         renderResult(scanResult);
       } else {
         showErrorToast('未识别到二维码');
         resumeScanner();
       }
-    } catch (e) {
-      showErrorToast('从相册选择失败');
+    } catch (e, stackTrace) {
+      dismissLoading();
+      showErrorToast('从相册选择失败，请稍后重试');
+      print("scanFromGallery Error: $e\n$stackTrace");
       resumeScanner();
     }
   }
 
   /// 切换闪光灯
   void toggleFlash() async {
-    await qrViewController?.toggleFlash();
-    isFlashOn.value = (await qrViewController?.getFlashStatus()) ?? false;
+    try {
+      await scannerController.toggleTorch();
+      final currentTorchState = scannerController.value.torchState;
+      isFlashOn.value = currentTorchState == TorchState.on;
+    } catch (e) {
+      print("切换闪光灯失败: $e");
+      showErrorToast("无法打开闪光灯");
+    }
   }
 
   /// 翻转相机
   void flipCamera() async {
-    await qrViewController?.flipCamera();
+    await scannerController.switchCamera();
   }
 
+  /// 请求相机权限
   void requestPermission() async {
-    if (Platform.isIOS) {
-      var status = await Permission.camera.request();
-      if (status.isGranted) {
-      } else if (status.isPermanentlyDenied) {
-        openAppSettings();
-      } else {
-        showErrorToast('需要相机权限才能扫描二维码');
-      }
-      return;
-    }
-
-    final bool results = await requestCameraPermission();
-    if (!results) {
-      showErrorToast('相机权限未被授予，请到权限管理中打开');
+    var status = await Permission.camera.request();
+    if (!status.isGranted) {
+      showErrorToast('请授予相机权限以使用扫描功能');
+      Get.back();
     }
   }
 
   void requestPhotoPermission() async {
-    if (Platform.isAndroid) {
-      final bool results = await requestPhotosPermission();
-      if (!results) {
-        showErrorToast('相册权限未被授予，请到权限管理中打开');
-      } else {
-        scanFromGallery();
-      }
-    }
-    if (Platform.isIOS) {
-      var status = await Permission.photos.request();
-      print("权限状态: $status"); // 在控制台看这个输出
-      if (status.isGranted) {
-        scanFromGallery();
-      } else if (status.isPermanentlyDenied) {
-        openAppSettings();
-      } else {
-        showErrorToast('需要相册权限才能从相册中选择图片');
-      }
+    var status = await Permission.photos.request();
+    if (status.isGranted) {
+      scanFromGallery();
+    } else if (status.isPermanentlyDenied) {
+      openAppSettings();
+    } else {
+      showErrorToast('需要相册权限才能从相册中选择图片');
     }
   }
 
-  //扫码结果处理 //如果绑定接口返回的data为null 需要手动编辑车牌
+  /// 处理扫描结果
   void renderResult(String resultStr, {plateNumber}) async {
     showLoading("正在获取车辆信息...");
     try {
-      /*var responseData = await HttpService.to.get(
-        "appointment/truck/base-info?vin=$resultStr",
-      );*/
-
       final Map<String, dynamic> requestData = {
         "code": resultStr,
         "phone": StorageService.to.phone,
@@ -184,6 +154,7 @@ class QrCodeController extends GetxController
       );
 
       if (responseData == null) {
+        dismissLoading();
         showToast('无法获取车辆信息，请检查网络或稍后重试');
         resumeScanner();
         return;
@@ -192,62 +163,76 @@ class QrCodeController extends GetxController
 
       if (result.code != 0) {
         showToast(result.error);
+        dismissLoading();
+        resumeScanner(); // 绑定失败也要恢复扫描
         return;
       }
 
       if (result.data == null) {
+        dismissLoading();
         showBindDialog(resultStr);
         return;
       }
 
       final vehicle = VehicleInfo.fromJson(result.data as Map<String, dynamic>);
-      //保存使用
       await StorageService.to.saveVehicleInfo(vehicle);
-
+      dismissLoading();
       Get.back(result: true);
-    } on DioException catch (e) {
+
+    } on DioException catch (_) {
       showErrorToast("网络请求失败，请稍后重试");
       resumeScanner();
-    } catch (e, stackTrace) {
-      showErrorToast("处理失败，请稍后重试");
-      resumeScanner(); // 未知异常，恢复扫描
+    } catch (e, _) {
+      showErrorToast("处理失败，请稍后重舍");
+      resumeScanner();
     } finally {
-      dismissLoading();
+      if (Get.isDialogOpen ?? false) {
+        dismissLoading();
+      }
     }
   }
 
+  /// 显示绑定确认对话框
   void showBindDialog(String resultStr) {
     final TextEditingController plateNumberController = TextEditingController();
-    DialogX.to.showNoticeDialog(
-      icon: DialogIcon.info,
+    // 使用 showConfirmDialog，它有 onCancel 回调
+    DialogX.to.showConfirmDialog(
       title: '请输入车牌号',
       barrierDismissible: false,
       content: TextField(
-        controller: plateNumberController, // 绑定 controller
-        autofocus: false, // 弹窗出现时自动获取焦点，方便用户直接输入
+        controller: plateNumberController,
+        autofocus: false,
         decoration: const InputDecoration(
           hintText: '请输入完整的车牌号',
           border: OutlineInputBorder(),
           contentPadding: EdgeInsets.symmetric(horizontal: 12.0),
         ),
       ),
-      confirmText: '确认',
+      confirmText: '确认绑定',
+      cancelText: '取消', // showConfirmDialog 有 cancelText
       onConfirm: () {
         final String plateNumber = plateNumberController.text.trim();
         if (plateNumber.isEmpty) {
-          resumeScanner();
           showToast("请输入车牌号");
-          return;
+          // 返回 false 可以阻止弹窗关闭，让用户继续输入
+          return false;
         }
         renderResult(resultStr, plateNumber: plateNumber);
+        //关闭弹窗
+        return true;
+      },
+      onCancel: () {
+        // 如果用户点击取消，恢复扫描
+        resumeScanner();
       },
     );
   }
 
   @override
   void onClose() {
-    qrViewController?.dispose();
+    scannerController.dispose();
     animationController.dispose();
     super.onClose();
   }
 }
+