VoidSDKEasy free Android development framework, which aims to develop a simple, rapid development of Android applications, including Android mvc, simple sqlite orm, ioc module encapsulation Android httpclitent the http module with quickly build file caching function without considering cache file format, can be very easy to implement caching, file-based caching module also implements the picture cache function, when loading images in the android on oom problems and misalignment problems loading pictures easily resolved. He also includes a utility class to develop a mobile phone application frequently, such as log management, configuration file management, android download module, network change detection tools, etc.