Can'；在AppData中找不到android.jar
我得到了这个错误：Can'；在AppData中找不到android.jar,android,xamarin,Android,Xamarin,我得到了这个错误： C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(2,2): Error: Could not find android.jar for API Level 21. This means the Android SDK platform for API Level 21 is not installed. Either install it in the Android
C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(2,2): Error: Could not find android.jar for API Level 21. This means the Android SDK platform for API Level 21 is not installed. Either install it in the Android SDK Manager (Tools > Open Android SDK Manager...), or change your Xamarin.Android project to target an API version that is installed. (C:\Users\Chris\AppData\Local\Android\android-sdk\platforms\android-21\android.jar missing.) (Camera2Basic)
当我转到我的AppData时，我在任何文件夹中都找不到任何名为android的文件夹，这就是发生此错误的原因。尝试从SDK安装android SDK平台API 21，如下所述：是的，我已经这样做了。安卓SDK管理器在哪里下载其软件包？