INSTALL_FAILED_OLDER_SDK
Uploading file
local path: /Users/Rubert/Android/workspace/MyApplication/app/build/outputs/apk/app-debug.apk
remote path: /data/local/tmp/com.example.rubert.firstdemo
Installing com.example.rubert.firstdemo
DEVICE SHELL COMMAND: pm install -r "/data/local/tmp/com.example.rubert.firstdemo"
pkg: /data/local/tmp/com.example.rubert.firstdemo
Failure [INSTALL_FAILED_OLDER_SDK]
http://blog.csdn.net/wa991830558/article/details/39522043