Hi, i’m fairly new to Xcode. That aside, running the pre written code on previews which only prints “hello world” Gives me a “TimeoutError: Timed out waiting for connection to DTServiceHub after 15.0 seconds.”How can i fix this? I really wanna try out the visual editor.
Xcode preview won’t run
It is a SwiftUI app ?
Could you post the exact code (ContentView and ContentView_preview) ?
You have certainly read this tutorial: https://developer.apple.com/documentation/swiftui/previews-in-xcode
Do you do as instructed ?
Hi,
Sorry to hear you are having problems getting previews working.
Best next step will be to file a feedback with diagnostics. We will need the diagnostics Xcode Previews generates in order to make sure we understand the error the previews system is encountering.
If you are having issues with macOS, catalyst or on-device iOS previews then download and install the logging profile for your device. Instructions and profiles are available here: https://developer.apple.com/bug-reporting/profiles-and-logs/?name=swift Attach the sysdiagnose to the radar as well as the diagnostics using the instructions below.
Then when you get an error in Xcode Previews, an error banner appears in the canvas
- Click the "Diagnostics" button in that banner
- In the sheet that appears, click "Generate Report" in the bottom left of the sheet
- Attach (or make from the folder) the resulting zip file to the bug (will be named something like
previews-diagnostics-0123456789.zip)