类的继承与多态

GPS定位，在android4.4下编译通过，可供参考学习(GPS positioning, android4.4 compiler, available for reference study)

android 日历的实现

有GPS导航，路径规划等功能

各种三角形，对于刚学得很有用，主要是循环，其中还有一个菱形-various triangle, just learning very useful, mainly cycle, in which there is a rhombus

图片同步上传法，内有仔细的标注，利于读者学习(Image sync upload method, with annotations carefully, good for readers to learn)

JAVA课程设计实例。多个大型系统源代码，如考试系统单机版、CS版、BS版。-Java curriculum design examples. Many large system source code, such as examination system standalone version, C S, B S version.

一个Java典型实例-a typical example of Java

基于serverSocket 和socket编写的及时聊天系统。有类似于tencent的qq界面，能实时监听用户的上下线。能发离线消息。有用户连接池。以及账号注册，修改等功能(ServerSocket and socket-based chat system written in a timely manner. Tencent similar to those of the qq interface, real-time monitor on the user' s offline. Offline messages can be issued. A user connection pool. As well as account registration, modification and other functions)

这是一款来自国外的开源股票分析源代码，非常不错的k线图形，适合用于开发自己的股票分析软件。

android ui design java