Web Viewer
With the Web Viewer component, you can open up any website within your app to display.
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With the Web Viewer component, you can open up any website within your app to display.
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In the Design panel, you can set many properties of the Web Viewer.
URL: Set initial URL to be displayed in the Web Viewer Height: Set Height of Web Viewer Width: Set Width of Web Viewer Visible: Toggle whether or not the Web Viewer is visible in the app Margin (top, bottom, left, right): Set a defined distance between the Web Viewer and its neighboring components on the Screen Padding (top, bottom, left, right): Set a defined distance between the border of the Web Viewer and its contents Border: Set the width, radius, color and style of a border around the perimeter of the Web Viewer
To open up a website in your app, you need to provide the Web Viewer with a URL.
A URL is kind of like a street address - it tells the web viewer the location of the website on the internet.
URL: Enter in the link to the website or an image. The URL must include https://
Note: Can also accept .html files that have been uploaded to the app (great for offline use).
You can use blocks to navigate back through previously visited web pages. Once you have gone back, you can also use blocks to navigate forward through your visited pages again.
You can set how tall the Web Viewer is using the height property and set how wide it is using the width property.
Height
Fill container - The Web Viewer fills the entire screen vertically
Fit contents - The Web Viewer’s height changes to fit the contents it contains
Relative size - The Web Viewer fills the specified percentage of the screen
Absolute size - Sizes the Web Viewer to a specified number of pixels
Width
Fill container - The Web Viewer fills the entire screen horizontally
Fit contents - The Web Viewer’s width changes to fit the contents it contains
Relative size - The Web Viewer fills the specified percentage of the screen
Absolute - Sizes the Web Viewer to a specified number of pixels
You change the spacing and positioning of the Web Viewer with the Margin and Padding properties.
Margin
You can specify how much space you want between the border and the contents of Web Viewer using either pixel or percent values.
Padding
You can specify how much space you want between the edges of the Web Viewer and the screen using either pixel or percent values.
You can toggle whether the Web Viewer automatically requests the user's location. Some websites require access to the user's location to work. However, if you do not plan on displaying a website that needs this permission in your app, then you may not want your app to request an unnecessary permission.
To set whether or not the Web Viewer requests the user's location, go to the Design tab and click on your Web Viewer. In the panel on the right hand side of the screen, click on the Advanced tab.
Scroll down until you see a switch labeled Geolocation Enabled. Use this switch to toggle whether your Web Viewer requests the user's location.
If you own the website being displayed in your Web Viewer, you can send and receive messages between your website and the Web Viewer using Javascript.
Go back to the previous page visited.
Move forward to the next page in your browser history.
Post a message.
Reload the web viewer.
Returns any message that was received after calling the Post Message function.
The set and get height blocks work with the Height property of the web viewer component. Acceptable input values are.
Number of Pixels
Percentage Height
"Fit Contents"
"Fill Container"
The Computed Heightblock returns the on-screen dimensions of the web viewer, after it has been rendered on-screen. The value returned is an integer, representing the size of the web viewer in pixels.
The set and get width blocks work with the Width property of the web viewer component. Acceptable input values are.
Number of Pixels
Percentage Width
"Fit Contents"
"Fill Container"
The Computed Widthblock returns the on-screen dimensions of the web viewer, after it has been rendered on-screen. The value returned is an integer, representing the size of the web viewer in pixels.
The set and get visible blocks are used to show or hide the entire button component. Acceptable values are:
True
False
The get URL block returns the "default" url in your project, i.e the value that you set in the designer. At this time it does not dynamically return the URL of the pages that is currently being displayed.
The Back block may not work when you test your app on the web, but will work when your app and in apps
You can see examples of sending/receiving messages and get further setup instructions .
You may also find the component useful for sending/receiving information between your app and a website.
The set URL block is used to change the web address that is displayed in the web viewer. Please note that this block need to be used in conjunction with the function and the web viewer only supports connections via https. If you try to use http your website will not be displayed.
