I've got a feeling I upgraded to Visual Studio 2015 RTM too early. Visual Studio Emulator for Android would no longer launch, claiming that the pre-release version had expired.
I ran the RTM installer, allowing it to replace Release Candidate components as needed. The process ran smoothly, but now after upgrading, Cordova projects will no longer deploy or debug.
With the Release Candidate, the toolbar's green Start button had a dropdown for choice of device. Now with RTM version, this button is just labelled "Start" and its dropdown provides no options for device selection. Instead, the only option in the dropdown is "Start". As I change the selection in the "Solution Platform" dropdown, located left of this Start button, the Start button still provides no choices. See images below.
I've confirmed that Visual Studio Emulator for Android is functional. I've got the profile '5" Lollipop (5.0) XXHDPI Phone' working.
For a comparison, I've also added a new Windows Phone 8.1 project to my solution and confirmed that project allows selecting a Debug Target. In the toolbar, the word Start is replaced with "Emulator 8.1 WVGA 4 inch 512MB". With this project as the Startup Project, the Debug menu now has "Start Debugging" enabled. This project starts as expected.
Since the Visual Studio Emulator for Android is functional, and Visual Studio successfully targets the Windows Phone emulator, it seems there's a misconfiguration related to Visual Studio's Cordova project type. The linkage between a VS2015 Cordova project and its "device" targets is missing.
Tools for Apache Cordova's Dependency checker found missing Android SDK components. I've added these, satisfying Dependency Checker.
1>  npm WARN installMany normalize-package-data was bundled with npm@1.3.4, but bundled package wasn't found in unpacked tree
UPDATE 3: The images below show the Visual Studio 2015 components installed. I tried adding Visual C++ Mobile Development, but saw no change in Cordova, so I removed it.
UPDATE 4: When I logged into a new local user account, I'm able to debug against the Visual Studio Emulator for Android. This tells me that the problem is likely specific to my primary Windows account's profile. I could probably fix this by deleting my profile and starting fresh.
I'm getting the same issue, except in my case I never installed the VS2015 RC. I already had the latest VS2013 Community installed. Uninstalled 2013 as best I could, installed VS2015 community and get the same debug error for Cordova projects. – Elyas Jul 27 '15 at 8:16
This worked for me, Thx. The same Answer gave Leo one Hour earlier in stackoverflow.com/questions/31530014/… – gReX Jul 29 '15 at 9:18
That solved it, thanks. Had repaired then uninstalled/reinstalled VS 2015 the whole day! MS should really fix that, instead of this stupid error message to rename the CoreCon folder as a suggestive fix. – philk Aug 7 '15 at 0:24
Solved for me as well... I was removing VS2013 and corresponding cordova CTPs from the same machine that installed VS2015 RTM. – xinqiu Aug 24 '15 at 8:52
@Subhag Oak -- sorry to try and ask an unrelated question but do you have any insight as to why a Visual Studio 2015 project wouldn't be able to create an app package via the Project -> Store menu? Here's the reference to the issue I and others are facing: stackoverflow.com/questions/28194022/… – Stephen Tetreault Dec 14 '15 at 22:14
I think then you have to install google chrome: msdn "The installer does not install Google Chrome, which is required if you want to run the Apache Ripple simulator for iOS and Android, and it does not install Apple iTunes, which is required for deploying an app to an iOS device connected to your Windows PC."
Thanks for your suggestions. I've worked through these. They helped me fix some config problems, but the initial problem remains. I'm not sure what StackOverflow considers a duplicate, but the question you reference focuses specifically on Android, not mentioning Windows and Windows Phone which are also failing here. You could click "flag" if it has "serious problems." – BillVo Jul 26 '15 at 4:54
I've added images showing the VS2015 components installed. I've already got the Windows Phone 8.1 emulator installed and working with an empty WP project, so I don't see "Download Emulator 8.1..." When you install that, will your Cordova project let you pick that emulator? I see no options on Start dropdown except "Start". – BillVo Jul 27 '15 at 1:55
The solutions above didn't work me. But after searching the net for hours, I came to this solution that worked like a charm:
@SubhagOak solution to rename CoreCon folder worked for me too, even tho a slightly different pre-deployment scenario. Could not deploy from VS2015 to Android device via USB debuging. Error notification was generated via VS pop up basiclly stating Could Not Find File but no errors were listed in VS Error Console. It only generated a pop up. Received this error after opening a new local branch of a newly cloned local GIThub repo created using VS2015 Teamwork Explorer.
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