Android SDK location

Question

I have Xamarin Studio, and I need to specify the Android SDK Location. I have previously had Xamarin Studio working on my pc, and for some reason, I need to enter this again

Answer 1

The question doesn't seem to require a programmatic solution, but my Google search brought me here anyway. Here's my C# attempt at detecting where the SDK is installed, based on the most common installation paths.

static string FindAndroidSDKPath()
{
    string uniqueFile = Path.Combine("platform-tools", "adb.exe"); // look for adb in Android folders
    string[] searchDirs =
    {
        // User/AppData/Local
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
        // Program Files
        Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles),
        // Program Files (x86) (it's okay if we're on 32-bit, we check if this folder exists first)
        Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) + " (x86)",
        // User/AppData/Roaming
        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)
    };
    foreach (string searchDir in searchDirs)
    {
        string androidDir = Path.Combine(searchDir, "Android");
        if (Directory.Exists(androidDir))
        {
            string[] subDirs = Directory.GetDirectories(androidDir, "*sdk*", SearchOption.TopDirectoryOnly);
            foreach (string subDir in subDirs)
            {
                string path = Path.Combine(subDir, uniqueFile);
                if (File.Exists(path))
                {
                    // found unique file at DIR/Android
                    return subDir;
                }
            }
        }
    }
    // no luck finding SDK! :(
    return null;
}

I need this because I'm writing an extension to a C# program to work with Android Studio/Gradle. Hopefully someone else will find this approach useful.