VS Debugger Known Issues and Limitations
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This article covers known issues and limitations related to Visual Studio Debugger in Visual Studio Tools for Apache Cordova 2015.
No debugger support for Windows Phone 8 (WP8)
There is currently no Visual Studio debugger support for Windows Phone 8. Developers can use the Weinre (Web Inspector Remote) project as described in this blog post from MS OpenTech as an alternative.
Debugger does not stop at breakpoints when the app is initially starting
Due to a race condition, the VS debugger will not consistently stop at breakpoints that occur prior to the first page load in Ripple or Android emulators or devices. This can be problematic when attempting to debug code tied to page "load" or "device ready" events on the very first page of your app. However, these breakpoints will be hit after refreshing the browser (Ripple) or executing
Debugger will not start
If, after upgrading Visual Studio, you see the error message, "The debugger cannot continue running the process. Unable to start debugging.", a library may have been corrupted. Try the following workaround. Close all VS instances, then go to %appdata%\username\Local\Microsoft\Phone Tools, and rename the CoreCon folder to another name such as CoreCon2. Then try restarting your app in VS.
DOM explorer shows Ripple HTML in addition to app HTML
No debugging Release versions of Android, iOS
When using the VS Debugger with Android 4.4+ emulators, devices, or Apache Ripple
VS debugger detaches when using Chrome Dev Tools: If you start up Chrome Dev Tools in Ripple when debugging from VS, Ripple will shut down. To use Chrome Dev Tools, start without debugging (Ctrl+F5).
- DOM Explorer Events and Changes panes are not available.
- If an HTML file only contains script that ran and was immediately unloaded, the HTML will never appear in the Solution Explorer.
- Only script blocks that contain code that can still run will be visible.
- An HTML file will appear only under Script Documents in Solution Explorer if the HTML file contains code that can still run in the engine.
When using the VS Debugger with Android < 4.4 emulators or devices
Unable to start program error: While debugging to devices with Android versions prior to 4.4, an error popup may display the error “Unable to start program” citing “adb.exe” as the cause. The app should still load and work on your device, without debugger support.
When using the jsHybugger plugin for debugging Android < 4.4
Limitations: The following limitations exist when using the VS debugger with jsHybugger:
- There is no support for Source Maps.
- While using the DOM explorer with jsHybugger, there is no support for:
- Deleting CSS properties.
- Selecting DOM elements by clicking on them.
- Add/edit/delete of element attributes.
- Add/edit of CSS rules.
- Forcing Hover and Visited Pseudo-class states.
- Edit as HTML.
- Shorthand property display is generally not supported.