A control with which the user can take photos by using the camera on the device.

Description

If you add this control, the user can update a data source with one or more photos from wherever the app is running.

Key properties

Camera – On a device that has more than one camera, the numeric ID of the camera that the app uses.

Additional properties

BorderColor – The color of a control's border.

BorderStyle – Whether a control's border is Solid, Dashed, Dotted, or None.

BorderThickness – The thickness of a control's border.

Brightness – How much light the user is likely to perceive in an image.

Contrast – How easily the user can distinguish between similar colors in an image.

Disabled – Whether the user can interact with the control.

Height – The distance between a control's top and bottom edges.

OnSelect – How the app responds when the user taps or clicks a control.

OnStream – How the app responds when the Stream property is updated.

Photo – The image captured when the user takes a picture.

Stream – Automatically updated image based on the StreamRate property.

StreamRate – How often to update the image on the Stream property, in milliseconds. This value can range from 100 (1/10th of a second) to 3,600,000 (1 hour).

Tooltip – Explanatory text that appears when the user hovers over a control.

Visible – Whether a control appears or is hidden.

Width – The distance between a control's left and right edges.

X – The distance between the left edge of a control and the left edge of its parent container (screen if no parent container).

Y – The distance between the top edge of a control and the top edge of the parent container (screen if no parent container).

Zoom – The percentage by which an image from a camera is magnified or the view of a file in a PDF viewer.

Related functions

Patch( DataSource, BaseRecord, ChangeRecord )

Example

Add photos to an Image gallery control

  1. Add a Camera control, name it MyCamera, and set its OnSelect property to this formula:
    Collect(MyPix, MyCamera.Photo)

    Don't know how to add, name, and configure a control?

    Want more information about the Collect function or other functions?

  2. Press F5, and then take a photo by clicking or tapping MyCamera.

  3. Add an Image gallery control, and then resize its Image control, its template, and the Image gallery control itself to fit in the screen.

  4. Set the Items property of the Image gallery control to this expression:
    MyPix.Url.

  5. Set the Image property of the Image control in the gallery to this expression:
    ThisItem.Url

    The photo that you took appears in the Image gallery control.

  6. Take as many photos as you want, and then return to the default workspace by pressing Esc.

  7. (optional) Set the OnSelect property of the Image control in the Image gallery control to Remove(MyPix, ThisItem), press F5, and then click or tap a photo to remove it.

Use the SaveData function to save the photos locally or the Patch function to update a data source.