fl_mlkit_scanning

Description:

fl mlkit scanning

fl_mlkit_scanning #
基于Google ML Kit
实现快速稳定扫码功能，支持Android\IOS
Realize fast and stable code scanning function based
on Google ML Kit, and support
Android \ IOS
相机相关功能依赖于 fl_camera
Camera related functions depend on fl_camera
使用 use #

ios 添加相机权限 Add camera permissions to IOS

<key>NSCameraUsageDescription</key>
<string>是否允许FlMlKitScanning使用你的相机？</string>
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预览 preview


Widget build(BuildContext context) {
return FlMlKitScanning(

/// 如果你设置为10, 2次解析数据间隔为10 毫秒，数字越小 在ios上cpu占有率越高，数字越大，识别速度会变慢，建议设置500-100
/// If you set it to 10, The interval between data parsing is 10 milliseconds
/// The larger the number, the slower the parsing,If the number is too small, the CPU percentage will be too high on ios
/// Therefore, the recommended setting range is 500 to 1000
frequency: 500,

/// 需要预览的相机 不传值 默认为后摄像头
/// Camera ID to preview
camera: camera,

/// 预览相机支持的分辨率
/// Preview the resolution supported by the camera
resolution: CameraResolution.high,

/// 是否自动扫描 默认为[true]
/// Auto scan defaults to [true]
autoScanning: false,

/// 显示在预览上层
/// Display above preview box
overlay: const ScannerLine(),

/// 更新组件时是否重置相机
/// Reset camera when updating components
updateReset: false,

/// 相机预览位置
/// How a camera box should be inscribed into another box.
fit: BoxFit.fitWidth,

/// 闪光灯状态
/// Flash status
onFlashChanged: (FlashState state) {
showToast('$state');
},

/// 缩放变化
/// zoom ratio
onFlashChanged: (FlashState state) {
showToast('$state');
},

/// 相机在未初始化时显示的UI
/// The UI displayed when the camera is not initialized
uninitialized: Container(
color: Colors.black,
alignment: Alignment.center,
child:
const Text(
'Camera not initialized', style: TextStyle(color: Colors.white))),

/// 二维码识别类型 默认仅识别qr_code，需要识别几种就添加几种
/// Identification type Only QRcode is recognized by default
barcodeFormats: <BarcodeFormat>[BarcodeFormat.qr_code],

/// 扫码回调
/// Code scanning callback
onDataChanged: (AnalysisImageModel data) {
final List<Barcode>? barcodes = data.barcodes;
if (barcodes != null && barcodes.isNotEmpty) {
/// 返回数组 可识别多个码
/// Return array
}
});
}

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方法 method

void func() {

/// 设置设别码类型
/// Set type
controller.setBarcodeFormat();

/// 识别图片字节
/// Identify picture bytes
controller.scanningImageByte();

/// 打开\关闭 闪光灯
/// Turn flash on / off
controller.setFlashMode();

/// 相机缩放
/// Camera zoom
controller.setZoomRatio();

/// 暂停扫描
/// Pause scanning
controller.pauseScanning();

/// 开始扫描
/// Start scanning
controller.startScanning();
}

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image
scan




android




ios