git,python,ruby and so

#frist : git

#jni ndk javah from .class to .h ----javah -calsspath bin/classes;(android.jar path) C:\Users\dou\android-sdks\platforms\android-20\android.jar -d jni (packge name+className)com.example.hellojni.JniView ndk-build from .c file to .so