c# - 缺少 Android 组件 Xamarin

Question

我正在使用 Xamarin 在 Visual Studio 上开发适用于 Android 的应用程序，但在打开项目时出现以下错误:

Error       An error occurred trying to install required android components on Project 'Sample'.
Project 'Sample' requires the following components installed on your machine: 
Xamarin.Android.Support.Animated.Vector.Drawable
JavaLibraryReference: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/animated-vector-drawable/23.4.0/animated-vector-drawable-23.4.0.aar-23.4.0.0
AndroidResources: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/animated-vector-drawable/23.4.0/animated-vector-drawable-23.4.0.aar-23.4.0.0
Xamarin.Android.Support.v4
JavaLibraryReference: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/support-v4/23.4.0/support-v4-23.4.0.aar-23.4.0.0
JavaLibraryReference: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/support-v4/23.4.0/support-v4-23.4.0.aar-23.4.0.0
AndroidResources: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/support-v4/23.4.0/support-v4-23.4.0.aar-23.4.0.0
Xamarin.Android.Support.v7.AppCompat
JavaLibraryReference: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/appcompat-v7/23.4.0/appcompat-v7-23.4.0.aar-23.4.0.0
AndroidResources: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/appcompat-v7/23.4.0/appcompat-v7-23.4.0.aar-23.4.0.0
Xamarin.Android.Support.Vector.Drawable
JavaLibraryReference: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/support-vector-drawable/23.4.0/support-vector-drawable-23.4.0.aar-23.4.0.0
AndroidResources: https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip-m2repository/com/android/support/support-vector-drawable/23.4.0/support-vector-drawable-23.4.0.aar-23.4.0.0


Please double-click here to install it.

Intallation Errors: XA5209 Unzipping failed. Please download 'https://dl-ssl.google.com/android/repository/android_m2repository_r32.zip:m2repository/com/android/support/animated-vector-drawable/23.4.0/animated-vector-drawable-23.4.0.aar' and extract it to the 'C:\Users\muril\AppData\Local\Xamarin\Xamarin.Android.Support.Animated.Vector.Drawable\23.4.0.0\embedded' directory
XA5209 Reason: Could not find a part of the path 'C:\Users\muril\AppData\Local\Xamarin\Xamarin.Android.Support.Animated.Vector.Drawable\23.4.0.0\embedded\aapt\'.
XA5207 Please install package: 'Xamarin.Android.Support.Animated.Vector.Drawable' available in SDK installer. Java library file 'C:\Program Files (x86)\Android\android-sdk\extras\android\classes.jar' doesn't exist.
XA5207 Please install package: 'Xamarin.Android.Support.v4' available in SDK installer. Java library file 'C:\Program Files (x86)\Android\android-sdk\extras\android\classes.jar' doesn't exist.
XA5207 Please install package: 'Xamarin.Android.Support.v4' available in SDK installer. Java library file 'C:\Program Files (x86)\Android\android-sdk\extras\android\libs/internal_impl-23.4.0.jar' doesn't exist.
XA5207 Please install package: 'Xamarin.Android.Support.v7.AppCompat' available in SDK installer. Java library file 'C:\Program Files (x86)\Android\android-sdk\extras\android\classes.jar' doesn't exist.
XA5207 Please install package: 'Xamarin.Android.Support.Vector.Drawable' available in SDK installer. Java library file 'C:\Program Files (x86)\Android\android-sdk\extras\android\classes.jar' doesn't exist.           0   

我尝试了一些我在网上找到的教程，但没有成功，我已经尝试手动下载 zip，但没有成功，如果有人能帮助我，我将不胜感激。

Answer 1

支持库太旧。

1- 转到 NuGet

2- 点击“已安装”

3- 搜索 Xamarin.Android.Support

4- 更新到版本 25+

• Xamarin.Android.Support.Animated.Vector.Drawable
• Xamarin.Android.Support.v4
• Xamarin.Android.Support.v7.AppCompat
• Xamarin.Android.Support.Vector.Drawable