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开源软件介绍(OpenSource Introduction)：

flutter_mobile_vision

Flutter implementation for Google Mobile Vision.

Based on Google Mobile Vision.

Android Samples -=- iOS Samples

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Features

• Android

  • Barcode Scan
    • Front or Back camera.
    • Select preview sizes.
    • Simple scan.
    • Toggle torch.
    • Toggle auto focus.
    • Specify types of barcodes that will be read.
    • Tap to capture.
    • Select barcode type to be scanned.
    • Scan multiple barcodes.
    • Barcode coordinates.
    • Show barcode text.
    • Standard code.
  • Recognize Text
    • Front or Back camera.
    • Select preview sizes.
    • Simple OCR.
    • Toggle torch.
    • Toggle auto focus.
    • Multiple recognition.
    • Text language.
    • Text coordinates.
    • Hide recognized text.
    • Standard code.
  • Detect Faces
    • Front or Back camera.
    • Select preview sizes.
    • Simple detection.
    • Toggle torch.
    • Toggle auto focus.
    • Multiple detection.
    • Face coordinates.
    • Hide detection information.
    • Standard code.
  • Generalization of capture activities.
  • Choose between back and front camera.
  • Control camera FPS.

• iOS

  • Barcode Scan
    • Future Tasks
  • Recognize Text
    • Future Tasks
  • Detect Faces
    • Future Tasks

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Screenshots

Usage

Example

To use this plugin :

• add the dependency to your pubspec.yaml file:

  dependencies:
    flutter:
      sdk: flutter
    flutter_mobile_vision: ^0.1.3

• add FlutterMobileVision.start() to initState():

@override
void initState() {
  super.initState();
  FlutterMobileVision.start().then((x) => setState(() {}));
}

or for a better implementation:

@override
void initState() {
  super.initState();
  FlutterMobileVision.start().then((previewSizes) => setState(() {
    _previewBarcode = previewSizes[_cameraBarcode].first;
    _previewOcr = previewSizes[_cameraOcr].first;
    _previewFace = previewSizes[_cameraFace].first;
  }));
}

Barcode

//...
List<Barcode> barcodes = [];
try {
  barcodes = await FlutterMobileVision.scan(
    flash: _torchBarcode,
    autoFocus: _autoFocusBarcode,
    formats: _onlyFormatBarcode,
    multiple: _multipleBarcode,
    waitTap: _waitTapBarcode,
    showText: _showTextBarcode,
    preview: _previewBarcode,
    camera: _cameraBarcode,
    fps: 15.0,
  );
} on Exception {
  barcodes.add(new Barcode('Failed to get barcode.'));
}
//...

Android

For Android, you must do the following before you can use the plugin:

• Add the camera permission to your AndroidManifest.xml

  <uses-feature android:name="android.hardware.camera" />

  <uses-permission android:name="android.permission.CAMERA" />

• Add the Barcode activity to your AndroidManifest.xml (after other activity nodes)

  <activity android:name="io.github.edufolly.fluttermobilevision.barcode.BarcodeCaptureActivity" />

iOS

If you can help, the community thanks. Your fork is needed.