Example_XXX为每章内容介绍所用源代码文件； Exercise_XXX为每章习题所提供的源代码样例。 包括 倒计时例程 对话框例程 动态列表例程 俄罗斯方块例程 蓝牙例程-Example_XXX for the content of each chapter, introduced by the source code file Exercise_XXX exercises for each chapter provides sample source code. Count

基于Symbian OS的手机开发与应用实践第12章代码。主要讲各种时钟，倒计时，计时器的使用。-Symbian OS-based mobile phone development and application of the Chapter 12 code of practice. The main speakers of various clock, countdown, timer use.

symbian手机开发 实现定时器功能 一个倒计时的软件开发-Development and implementation of symbian mobile phone features a countdown timer software development