How to use the expo-face-detector.detectFacesAsync function in expo-face-detector
To help you get started, we’ve selected a few expo-face-detector examples, based on popular ways it is used in public projects.
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expo / expo / apps / native-component-list / src / screens / Camera / Photo.tsx View on Github 
detectFace = () =>
FaceDetector.detectFacesAsync(this.props.uri, {
detectLandmarks: FaceDetector.Constants.Landmarks.none,
runClassifications: FaceDetector.Constants.Classifications.all,
})
.then(this.facesDetected)
.catch(this.handleFaceDetectionError)detectFaces = (picture: string) => {
this.setState({
faceDetection: {
detecting: true,
faces: [],
},
});
FaceDetector.detectFacesAsync(picture, {
mode: FaceDetector.Constants.Mode.accurate,
detectLandmarks: FaceDetector.Constants.Landmarks.all,
runClassifications: FaceDetector.Constants.Classifications.none,
})
.then(result => {
this.setState({
faceDetection: {
detecting: false,
faces: result.faces,
image: result.image,
},
});
})
.catch(error => {
this.setState({
faceDetection: {expo-face-detector
Lets you use the power of Google Mobile Vision (https://developers.google.com/vision/face-detection-concepts) framework to detect faces on images.
