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# Pods for TextDetect
  pod 'Firebase/Core' , '~> 5.2.0'
  pod 'Firebase/MLVision', '~> 5.2.0'
  pod 'Firebase/MLVisionTextModel', '~> 5.2.0'

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let languages = ["Select Language", "Hindi", "French", "Italian", "German", "Japanese"]
let languageCodes = ["hi", "hi", "fr", "it", "de", "ja"]
var targetCode = "hi"


// MARK :- UIPickerViewDelegate

extension ViewController: UIPickerViewDataSource, UIPickerViewDelegate {
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {

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@IBAction func languageSelectorTapped(_ sender: Any) {
        
        if pickerVisible {
            languagePickerHeightConstraint.constant = 0
            pickerVisible = false
            translateText(detectedText: self.detectedText.text ?? "")
        } else {
            languagePickerHeightConstraint.constant = 150
            pickerVisible = true
        }

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func translateText(detectedText: String) {
        
        guard !detectedText.isEmpty else {
            return
        }
        
        let task = try? GoogleTranslate.sharedInstance.translateTextTask(text: detectedText, targetLanguage: self.targetCode, completionHandler: { (translatedText: String?, error: Error?) in
            debugPrint(error?.localizedDescription)
            
            DispatchQueue.main.async {

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import Firebase

class ViewController: UIViewController {

  lazy var vision = Vision.vision()
  var textDetector: VisionTextDetector?
}

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func detectText (image: UIImage) {
        
        textDetector = vision.textDetector()
        
        let visionImage = VisionImage(image: image)
        
        textDetector?.detect(in: visionImage) { (features, error) in
            guard error == nil, let features = features, !features.isEmpty else {
                return
            }

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// MARK: - AVCaptureVideoDataOutputSampleBufferDelegate

/* This delegate is fired periodically every time a new video frame is written. 
    It is called on the dispatch queue specified while setting up the capture session.
*/
func captureOutput(_ output: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
        
        /* Initialise CVPixelBuffer from sample buffer 
           CVPixelBuffer is the input type we will feed our coremlmodel . 
        */

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class ViewController: UIViewController, AVCaptureVideoDataOutputSampleBufferDelegate {
  ...
  ...
  ...
}

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enum HandSign: String {
    case fiveHand = "FiveHand"
    case fistHand = "FistHand"
    case victoryHand = "VictoryHand"
    case noHand = "NoHand"
}

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func configureCamera() {
        
        //Start capture session
        let captureSession = AVCaptureSession()
        captureSession.sessionPreset = .photo
        captureSession.startRunning()
        
        // Add input for capture
        guard let captureDevice = AVCaptureDevice.default(for: .video) else { return }
        guard let captureInput = try? AVCaptureDeviceInput(device: captureDevice) else { return }