I had to set the `ANDROID_NDK_HOME` environment variable to `C:\Users\nathanaldensr\AppData\Local\An

N

So, to summarize:

Install OpenJDK 8 (I installed OpenLogic's). Choose not to include Java in
```
PATH
```
```
PATH
```
and do not set
```
JAVA_HOME
```
JAVA_HOME
```
JAVA_HOME
```
JAVA_HOME
. This is needed to run
```
sdkmanager.bat
```
sdkmanager.bat
```
sdkmanager.bat
```
sdkmanager.bat
later.
Install Microsoft's OpenJDK 11. Choose to include Java in
```
PATH
```
```
PATH
```
and set
```
JAVA_HOME
```
JAVA_HOME
```
JAVA_HOME
```
JAVA_HOME
. This is needed by Silk.NET.
Install Android Studio.
In Android Studio, install Android 11.0 SDK platform, Android 8.0 SDK platform, Android SDK build tools 28.0.2, and NDK 21.0.6113669.
Set the
```
ANDROID_HOME
```
ANDROID_HOME
```
ANDROID_HOME
```
ANDROID_HOME
user environment variable to
```
C:\Users\<user>\AppData\Local\Android\Sdk
```
C:\Users\<user>\AppData\Local\Android\Sdk
```
C:\Users\<user>\AppData\Local\Android\Sdk
```
C:\Users\<user>\AppData\Local\Android\Sdk
.
Set the
```
ANDROID_NDK_HOME
```
```
ANDROID_NDK_HOME
```
user environment variable to
```
C:\Users\<user>\AppData\Local\Android\Sdk\ndk\21.0.6113669
```
C:\Users\<user>\AppData\Local\Android\Sdk\ndk\21.0.6113669
```
C:\Users\<user>\AppData\Local\Android\Sdk\ndk\21.0.6113669
```
C:\Users\<user>\AppData\Local\Android\Sdk\ndk\21.0.6113669
.

Open PowerShell (might need administrator) and run the following to accept all licenses (path to OpenJDK 8 might differ based on which one was installed):

$env:JAVA_HOME="C:\Program Files\OpenJDK\jdk-8.0.262.10-hotspot"
& "C:\Users\<user>\AppData\Local\Android\Sdk\tools\bin\sdkmanager.bat" --licenses

$env:JAVA_HOME="C:\Program Files\OpenJDK\jdk-8.0.262.10-hotspot"
& "C:\Users\<user>\AppData\Local\Android\Sdk\tools\bin\sdkmanager.bat" --licenses

$env:JAVA_HOME="C:\Program Files\OpenJDK\jdk-8.0.262.10-hotspot"
& "C:\Users\<user>\AppData\Local\Android\Sdk\tools\bin\sdkmanager.bat" --licenses

$env:JAVA_HOME="C:\Program Files\OpenJDK\jdk-8.0.262.10-hotspot"
& "C:\Users\<user>\AppData\Local\Android\Sdk\tools\bin\sdkmanager.bat" --licenses

P

Perksey•10/17/21, 4:46 PM

man what a mess

N

Nathan Alden, Sr.OP•10/17/21, 4:46 PM

Might be able to use

%USERPROFILE%

%USERPROFILE%

%USERPROFILE%

%USERPROFILE% to abstract away the root folders.

P

Perksey•10/17/21, 4:47 PM

Well I reckon it depends

P

Perksey•10/17/21, 4:47 PM

As there are so many ways to get the Android SDK

P

Perksey•10/17/21, 4:47 PM

e.g. I think Visual Studio’s manager puts it somewhere in program files

N

Nathan Alden, Sr.OP•10/17/21, 4:47 PM

I also am getting just a couple of failures during build related to not having Android SDK Platform 31 installed, even though I clearly have it.

N

Nathan Alden, Sr.OP•10/17/21, 4:48 PM

C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\31.0.101-preview.9.16\tools\Xamarin.Android.Common.targets(525,2): error XA5207: Could not find android.jar for API level 31. This means the Android SDK platform for API level 31 is not installed. Either install it in the Android SDK Manager (Tools > Android > Android SDK Manager...), or change the Xamarin.Android project to target an API version that is installed.

C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\31.0.101-preview.9.16\tools\Xamarin.Android.Common.targets(525,2): error XA5207: Could not find android.jar for API level 31. This means the Android SDK platform for API level 31 is not installed. Either install it in the Android SDK Manager (Tools > Android > Android SDK Manager...), or change the Xamarin.Android project to target an API version that is installed.

C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\31.0.101-preview.9.16\tools\Xamarin.Android.Common.targets(525,2): error XA5207: Could not find android.jar for API level 31. This means the Android SDK platform for API level 31 is not installed. Either install it in the Android SDK Manager (Tools > Android > Android SDK Manager...), or change the Xamarin.Android project to target an API version that is installed.

C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\31.0.101-preview.9.16\tools\Xamarin.Android.Common.targets(525,2): error XA5207: Could not find android.jar for API level 31. This means the Android SDK platform for API level 31 is not installed. Either install it in the Android SDK Manager (Tools > Android > Android SDK Manager...), or change the Xamarin.Android project to target an API version that is installed.

N

Nathan Alden, Sr.OP•10/17/21, 4:48 PM

N

Nathan Alden, Sr.OP•10/17/21, 4:49 PM

This error appears to be .NET-specific.

P

Perksey•10/17/21, 4:51 PM

Grrr

P

Perksey•10/17/21, 4:51 PM

So I have no idea how Xamarin locates Android SDK

P

Perksey•10/17/21, 4:52 PM

You’ve definitely got everything installed though, so it’s defo a Xamarin problem

P

Perksey•10/17/21, 4:53 PM

Documentation is useful /s

N

Nathan Alden, Sr.OP•10/17/21, 4:53 PM

lmao

N

Nathan Alden, Sr.OP•10/17/21, 4:57 PM

Found it.

https://github.com/xamarin/xamarin-android/blob/main/src/Xamarin.Android.Build.Tasks/Utilities/MonoAndroidHelper.cs#L440

N

Nathan Alden, Sr.OP•10/17/21, 4:58 PM

This is the method that points to: https://github.com/xamarin/xamarin-android-tools/blob/eaec4e3ac7f8073dac93412b2a13b3a571c48e0a/src/Xamarin.Android.Tools.AndroidSdk/AndroidSdkInfo.cs#L99

N

Nathan Alden, Sr.OP•10/17/21, 4:59 PM

Code is too deep for me to determine how it works on GitHub.

P

Perksey•10/17/21, 5:00 PM

ahhhh here is the juicy code https://github.com/xamarin/xamarin-android-tools/blob/eaec4e3ac7f8073dac93412b2a13b3a571c48e0a/src/Xamarin.Android.Tools.AndroidSdk/Sdks/AndroidSdkWindows.cs

N

Nathan Alden, Sr.OP•10/17/21, 5:06 PM

Rider also reports it:

P

Perksey•10/17/21, 5:06 PM

??????????

N

Nathan Alden, Sr.OP•10/17/21, 5:06 PM

This is so weird.

N

Nathan Alden, Sr.OP•10/17/21, 5:06 PM

This is Rider's SDK manager:

P

Perksey•10/17/21, 5:07 PM

program files... hmm...

N

Nathan Alden, Sr.OP•10/17/21, 5:07 PM

And Android Studio:

N

Nathan Alden, Sr.OP•10/17/21, 5:07 PM

Right, I think this is because of the environment variables I was forced to set.

N

Nathan Alden, Sr.OP•10/17/21, 5:07 PM

Perhaps.

N

Nathan Alden, Sr.OP•10/17/21, 5:07 PM

I'm working on no adequate docs, so...

N

Nathan Alden, Sr.OP•10/17/21, 5:07 PM

I'll fiddle.

N

Nathan Alden, Sr.OP•10/17/21, 5:08 PM

Looks like Rider is actually not using my environment variables.

N

Nathan Alden, Sr.OP•10/17/21, 5:08 PM

N

Nathan Alden, Sr.OP•10/17/21, 5:08 PM

I will switch Rider over to my user location.

N

Nathan Alden, Sr.OP•10/17/21, 5:09 PM

Now Rider matches Android Studio:

N

Nathan Alden, Sr.OP•10/17/21, 5:09 PM

So that's a critical part of the setup process.

N

Nathan Alden, Sr.OP•10/17/21, 5:09 PM

I have no idea where that configured directory is actually stored on my computer.

P

Perksey•10/17/21, 5:11 PM

ngl it really pisses me off that xamarin just doesn't respect ANDROID_HOME

N

Nathan Alden, Sr.OP•10/17/21, 5:11 PM

I am watching the error number in Rider drop from 10000+ to hopefully zero, slowly.

P

Perksey•10/17/21, 5:12 PM

oh yeah no that won't happen

P

Perksey•10/17/21, 5:12 PM

rider still doesn't properly support source generators, or at least on the grand scale at which we're using them, so any partial method will have an error

P

Perksey•10/17/21, 5:13 PM

in addition i think there's still some function pointer bugs it has on .NET Standard 2.0, so thousands of further errors there

N

Nathan Alden, Sr.OP•10/17/21, 5:14 PM

I may have to upgrade my RAM total:

N

Nathan Alden, Sr.OP•10/17/21, 5:15 PM

Sheesh.

P

Perksey•10/17/21, 5:18 PM

hah, yeah it gets up there fast

P

Perksey•10/17/21, 5:18 PM

i only have 16GB

N

Nathan Alden, Sr.OP•10/17/21, 5:18 PM

Same.

R

Redhacker2•10/17/21, 5:45 PM

Yeah

R

Redhacker2•10/17/21, 5:45 PM

Same

R

Redhacker2•10/17/21, 5:46 PM

Especially gets up there when you're making a voxel game

R

roeyskoe•10/17/21, 6:21 PM

VS2022 regularly uses 10+gb of ram when I work with silk

R

roeyskoe•10/17/21, 6:21 PM

Nyt I also have 48gb of it to use ¯\_(ツ)_/¯

I had to set the `ANDROID_NDK_HOME` environment variable to `C:\Users\nathanaldensr\AppData\Local\An

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