UWebBrowser::LoadURL not work

Development Programming & Scripting UI
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1

a similar question: Web browser LoadURL - UI - Unreal Engine Forums

WebBrowser widget only show the content of InitialURL, LoadURL do nothing at all

2

Hey windywang,

We don’t have this issue on our end. We are able to both pass in a string as a URL, such as from a input box, as well as type a URL into the box and both work.

Also, as a reminder, this feature is still experimental. This means that it is a portion of the engine that is in active development and therefor can have issues.

Thank you for submitting a bug report, however at this time we believe that the issue you are describing is not actually a bug with the Unreal Engine, and so we are not able to take any further action on this. If you still believe this may be a bug, please provide steps for us to reproduce the issue, and we will continue our investigation.

3

I tested again, and found this issue only appears in a actor’s WidgetComponent, but it works in a screen HUD.

4
  1. create a Widget Blueprint, add a WebBrowser in the Canvas Panel
  2. set the InitialURL of WebBrowser to “about:blank”
  3. create an Actor Blueprint, add a Widget component
  4. set the WidgetClass of Widget component to the Widget Blueprint above
  5. in the BeginPlay of the actor, call LoadURL(“https://www.unrealengine.com”) of WebBrowser
  6. place the actor in the level
  7. play the game, the actor with web browser shows a white page
5

this bug still exist in 4.13

6

Hey windywang,

I followed your steps and the issue with our setup is that it tries to load https://www.unrealengine.com before the widget is done loading.

To fix this, follow this from the Actor class:

108782-496233_webbrowser.png
108782-496233_webbrowser.png1314×230 76 KB

7

is there a “done loading” event?

8

There is not.