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Attaching to Webviews

Web browsers like Chrome, Safari, and Firefox allow you to debug any website.

You can attach to web browsers on your phone as well. Safari will list any connected iOS devices and their active Safari (tab) sessions to connect to. Chrome DevTools will list the same for Android.

You can even attach to a webview embedded in a native mobile app. Because it’s several layers deep, you have to make sure each stage is set up correctly. Mobile webviews run in separate processes, so you can’t debug them the same as your app; you have to connect via a desktop browser.

This was handy when working on eCommerce native apps that leveraged webviews for some UI.

- Karl

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