Can not install NDK

[sensboston]

Steps to Reproduce

1. Run "Visual Studio 2017 Professional edition"
2. Open menu "Tools->Android->Android SDK Manager..."
3. Select tab "Tools", check box named "NDK", press "Apply" button

Expected Behavior

Android NDK should be downloaded, installed and functional

Actual Behavior

Always (regardless of NDK version selection or repo choice, MS or Google) I always get "Downloading NDK v17.1.4828580 failed"

Version Information

Details

Microsoft Visual Studio Professional 2017 Version 15.8.7 VisualStudio.15.Release/15.8.7+28010.2046 Microsoft .NET Framework Version 4.7.03056

Installed Version: Professional

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[grendello]

This is a Xamarin SDK Manager issue, I created a VSTS report for this issue.

[grendello]

/cc @joj and @sgmunn - SDK Manager should be updated once fix for this issue is available

[DmitriyKirakosyan]

@sensboston , could you attach the Android SDK Manager logs from C:\Users\<user.name>\AppData\Local\Xamarin\Logs\15.0?
You can also open the logs from Help->Xamarin->Open logs.

[sensboston]

I've got issue resolved by re-opening SDK Manager with "Administrator" privileges. So, it looks like Xamarin plugin runs it with insufficient privileges. BTW, it's a reproducible issue, not only one PC specific.

[DmitriyKirakosyan]

@sensboston Could you please check if the issue is reproducing if you restart the VS?
Also, could you still share the logs?

[joj]

@sensboston we automatically detect where the SDK is and open the SDK manager with privileges if needed. Where is your NDK being installed? And is that the path you have in SDK manager when you open it?

[joj]

@garuma maybe we should consider having the SDK manager have that logic instead of VS? (from my comment above)

[sensboston]

@DmitriyKirakosyan, current logs are useless, no information about error.
logs.zip

@joj, on this PC (see logs and screenshots) NDK is not installed, patch (in VS settings) is empty but marked by green checkmark.

[wsgraham]

I have what appears to be same issue. VS was new install 15.8.7 and it installed in C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional

• All the above items listed above I have tried. Logs have no details.

• Updated to VS to 15.9.2 yesterday same problem NDK fails to install.
  Attached Image vsfailed.png
  

• Installed Android studio 3.1.2 to see if NDK loads via android studio sdk manager and it loads to Users\name\appdata\local\android\sdk
  Attached image
  

I notice that if I try to alter the path of the SDK folder in Android studio to point to visual studio version of the SDK in C:\Program Files (x86)\Android\android-sdk then Android studio message objects to "whitespace" Is it just the whitespace causing error ??

Attached Image. changepath.png

[wsgraham]

Additional information to my comment. If I point to the android studio version of the SDK which happily installed the NDK within VS Options-Xamarin-android settings then VS is happy.
I also could manually install the NDK into the program files (x86) where VS defaulted to on its install and this also seems to work (as far as I can tell).
The only issue is that I would only like to run updates via VS android sdk manager not have to try and worry about incompatibilities that might occur VS versus Android

[mfeingol]

@wsgraham, @sensboston: did you ever find a workaround aside from manually installing an NDK yourself?

I'm seeing the same exact problem on a fairly clean install of Windows 10 and VS 2017. No clues as to what's going wrong in either logs or procmon.

[sensboston]

@mfeingol, I've got NDK installed by running VS2017 as "Administrator".