FirebaseMLVision Framework Reference

Type Definitions

The following type definitions are available globally.

  • A block containing an array of barcodes ornil if there’s an error.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionBarcodeDetectionCallback)(NSArray<FIRVisionBarcode*>*_Nullable,NSError*_Nullable)

    Parameters

    barcodes

    Array of barcodes detected in the image ornil if there was an error.

    error

    The error ornil.

  • A block containing an array of landmark ornil if there’s an error.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionCloudLandmarkDetectionCompletion)(NSArray<FIRVisionCloudLandmark*>*_Nullable,NSError*_Nullable)

    Parameters

    landmarks

    Array of landmark detected in the image ornil if there was an error.

    error

    The error ornil.

  • The callback to invoke when the document text recognition completes.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionDocumentTextRecognitionCallback)(FIRVisionDocumentText*_Nullable,NSError*_Nullable)

    Parameters

    text

    Recognized document text in the image ornil if there was an error or no text was detected.

    error

    The error ornil.

  • Facial contour types.

    Declaration

    Objective-C

    typedefNSString*FIRFaceContourType

  • A block containing an array of faces ornil if there’s an error.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionFaceDetectionCallback)(NSArray<FIRVisionFace*>*_Nullable,NSError*_Nullable)

    Parameters

    faces

    Array of faces detected in the image ornil if there was an error.

    error

    The error ornil.

  • Type of all facial landmarks.

    Declaration

    Objective-C

    typedefNSString*FIRFaceLandmarkType

  • A block containing an array of labels ornil if there’s an error.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionImageLabelerCallback)(NSArray<FIRVisionImageLabel*>*_Nullable,NSError*_Nullable)

    Parameters

    labels

    Array of labels detected in the image ornil if there was an error.

    error

    The error ornil.

  • The callback to invoke when the text recognition completes.

    Declaration

    Objective-C

    typedefvoid(^FIRVisionTextRecognitionCallback)(FIRVisionText*_Nullable,NSError*_Nullable)

    Parameters

    text

    Recognized text in the image ornil if there was an error or no text was detected.

    error

    The error ornil.

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Last updated 2021-02-11 UTC.