Android 5.1 API 22 所有sdk文件下载地址
https://dl-ssl.google.com/android/repository/docs-22_r01.zip
http://dl.google.com/android/repository/android-22_r01.zip
https://dl-ssl.google.com/android/repository/samples-22_r05.zip
https://dl-ssl.google.com/android/repository/sys-img/android-tv/sysimg_atv_arm-22_r01.zip
https://dl-ssl.google.com/android/repository/sys-img/android-tv/sysimg_atv_x86-22_r01.zip
http://dl.google.com/android/repository/sys-img/google_apis/sysimg_arm-22_r01.zip
http://dl.google.com/android/repository/sys-img/google_apis/sysimg_x86_64-22_r01.zip
http://dl.google.com/android/repository/sys-img/google_apis/sysimg_x86-22_r01.zip
https://dl-ssl.google.com/android/repository/google_apis-22_r01.zip
http://dl.google.com/android/repository/sys-img/android/sysimg_arm-22_r01.zip
https://dl-ssl.google.com/android/repository/sys-img/android/sysimg_x86_64-22_r01.zip
https://dl-ssl.google.com/android/repository/sys-img/android/sysimg_x86-22_r01.zip
https://dl-ssl.google.com/android/repository/sources-22_r01.zip
http://dl-ssl.google.com/android/repository/build-tools_r22-windows.zip
下载完后,解压到Android SDK目录的temp文件夹下,打开Android SDK Manager,钩上 Android 5.1(API22)和其他标注有22的相关项,安装即可。