动态load dex

http://www.cnblogs.com/over140/archive/2011/11/23/2259367.html

dx --dex --output=test.jar dynamic.jar

DexClassLoader  loader = new DexClassLoader(dexPath, dexOutputDir,null,getClassLoader());

Class libProviderClazz = null;

libProviderClazz = cl.loadClass("com.dynamic.DynamicTest");

IDynamic lib = (IDynamic)libProviderClazz.newInstance();

lib.helloWorld()