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Hi everyone,

If you're encountering the following error in Xcode while executing a simple webbrowser.open() command in your Python file, you're in the right place:

"BUG IN CLIENT OF UIKIT: The caller of UIApplication.openURL(:) needs to migrate to the non-deprecated UIApplication.open(:options:completionHandler:). Force returning false (NO)."

This issue arises because, starting from iOS 18, the UIApplication.openURL(:) method has been deprecated. If you created your project, dependencies, and the kivy-ios folder before iOS 18, every time you try to open a URL, the deprecated method will be called.

To resolve this issue without rebuilding the entire project and waiting for the kivy-ios toolchain to be updated, simply follow these steps:

At the very top of your main.py file remplace import webbrowser by :

from pyobjus import autoclass
from pyobjus.dylib_manager import load_framework

load_framework('/System/Library/Frameworks/UIKit.framework')

NSURL = autoclass('NSURL')
UIApplication = autoclass('UIApplication')


def open_url(url):
    nsurl = NSURL.URLWithString_(url)
    app = UIApplication.sharedApplication()


    options = {}
    app.openURL_options_completionHandler_(nsurl, options, None)

Then replace all your webbrowser.open(url) commands by open_url(url)

You no longer need webbrowser.

Hope it helped.

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