Camera

With the camera component, you can open up your phone’s camera to take a picture.

You can find the Camera blocks in the Camera drawer of blocks.

For each block in this drawer, you can right-click the block and select Show advanced block to see an expanded block with additional outputs. Both the simple and advanced blocks will be explained in this document.

Use Photo from Camera

This block will open the camera and allow the user to take a photo. The photo can then be used in the app.

Advanced Block

Output Name

Data Type

Function

photo

image

if a photo was taken, returns the photo

was cancelled

true/false

returns whether the user cancelled taking the photo

error

text

if there was an error, returns the error

Use Image from Photo Library

This block will open the user's photo library and allow the user to select a photo. The photo can then be used in the app.

Advanced Block

Output

Data Type

Function

photo

image

if a photo was taken, returns the photo

was cancelled

true/false

returns whether the user cancelled selecting a photo

error

text

if there was an error, returns the error

Image Recognition

This block will generate a description of a given image. This block requires internet access.

This component is powered by Microsoft Azure. You can get your own server URL and subscription key for Microsoft Azure here. You can add these details to your app in the Project Settings panel, which you can access by clicking on your app icon.

Advanced Block

Output

Data Type

Function

description

text

description of the image

tags

list of text

returns tags used to identify the image

confidence level

number between 0 and 1

returns calculated confidence level that given description is accurate

error

text

if there was an error, returns the error

Barcode/QR Code scanner

This block will scan a barcode or a QR code and return its value.

Advanced Block

Output

Data Type

Function

value

text

value of scanned barcode/QR code

type

text

returns whether bar code or QR code was scanned

was cancelled

true/false

returns whether the user cancelled scanning a code

error

text

if there was an error, returns the error

Upload image to the cloud

This block will upload an image to Cloudinary and return a URL of the newly uploaded image.

Advanced block

Output

Data Type

Function

URL

text

returns a URL for the uploaded image

error

text

if there was an error, returns the error