Android 5.1 API 22 All SDK files
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
After downloading, unzip to the Android SDK directory under the Temp folder, open the Android SDK Manager, hooked on Android 5.1 (API22) and other labeled 22 related items, installed.
Android 5.1 API 22 All SDK files