查看Android系统是User模式还是Eng模式

 root@itek82_wet_kk:/ # cat default.prop
 #
 # ADDITIONAL_DEFAULT_PROPERTIES
 #
 ro.secure=
 ro.allow.mock.location=
 persist.mtk.aee.aed=on
 ro.debuggable=
 ro.adb.secure=
 persist.sys.usb.config=mass_storage
 persist.service.acm.enable=
 ro.mount.fs=EXT4
 ro.persist.partition.support=no

ro.secure=1 &&　ro.debuggable=0 为User模式

ro.secure=0 &&　ro.debuggable=1 为Eng模式