目录
1 引言 .......................................................................................................................................................1
1.1 课题背景.........................................................................................................................................1
1.2 本课题研究的意义.........................................................................................................................1
1.3 本课题的研究思路和方法.............................................................................................................1
1.4 本文的主要工作.............................................................................................................................1
2 开发工具介绍 .......................................................................................................................................2
2.1 ANDROID 特征 .................................................................................................................................2
2.2 ANDROID 架构 .................................................................................................................................3
2.2.1 关键应用程序 .........................................................3
2.2.2 应用程序框架 .........................................................4
2.2.3 C/C++函数库 ..........................................................4
2.2.4 Java 程序运行环境 .....................................................4
2.2.5 Linux 内核 ............................................................4
2.3 ANDROID 应用的构成和工作机制 .................................................................................................4
2.3.1 Activity .............................................................5
1. 活动生命周期 .....................................................5
2. 活动之间的切换 ...................................................6
2.3.2 Intent Receiver ......................................................6
2.3.3 Service ..............................................................6
2.3.4 Content Provider .....................................................7
2.3.5 Rss 解析剖析 ..........................................................7
2.4 本章小结.........................................................................................................................................8
3 需求分析及设计方案...........................................................................................................................9
3.1 需求分析.........................................................................................................................................9
3.2 设计方案.........................................................................................................................................9
3.2.1 系统功能 .............................................................9
3.2.2 方案介绍 .............................................................9
4 系统运行及测试与分析.....................................................................................................................12
4.1 系统的运行...................................................................................................................................12
4.1.1 主界面运行 ..........................................................12
4.1.2 图片选择 .............................................................13
4.1.3 语言选择 .............................................................14
4.1.4 识别结果 .............................................................15