mac3.0环境搭建
export ANDROID_SDK_ROOT=/Users/sjxxpc/Documents/ADT/sdk
export ANDROID_NDK_ROOT=/Users/sjxxpc/Documents/NDK
export NDK_ROOT=/Users/sjxxpc/Documents/android-ndk-r9b
export ANT_ROOT=/Users/sjxxpc/Documents/ANT/bin
export PATH=$PATH:$ANDROID_SDK_ROOT
export PATH=$PATH:$ANDROID_NDK_ROOT
export PATH=$PATH:$NDK_ROOT
export PATH=$PATH:$ANT_ROOT