Learning Android（中文版）

前言..................................................................................xvii

第1章 Android概述............................................................1

概述..............................................................................................................................1

完整性.................................................................................................................1

开源平台.............................................................................................................2

为移动设备而设计.............................................................................................2

历史..............................................................................................................................3

Google的动机......................................................................................................3

开放手持设备联盟.............................................................................................3

Android的版本............................................................................................................4

总结..............................................................................................................................5

第2章 Android的架构......................................................... 7

架构概述......................................................................................................................7

Linux系统....................................................................................................................7

可移植性.............................................................................................................7

安全性.................................................................................................................8

丰富的特性.........................................................................................................8

本地库..........................................................................................................................9

Dalvik 虚拟机..............................................................................................................9

Android与Java...................................................................................................10

应用程序框架............................................................................................................11

应用程序....................................................................................................................12

APK文件...........................................................................................................12

应用程序签名...................................................................................................12

应用程序发布...................................................................................................12

总结............................................................................................................................13

第3章 快速入门...............................................................15

安装Android SDK.....................................................................................................15

设置PATH环境变量..........................................................................................16

安装 Eclipse.......................................................................................................16

Eclipse的工作区................................................................................................17

安装Android 开发工具.....................................................................................17

Hello, World程序.......................................................................................................18

创建新项目.......................................................................................................18

Manifest文件.....................................................................................................20

Layout（布局）XML代码...............................................................................21

Strings（字符串）文件....................................................................................21

R（资源）文件.................................................................................................22

Java源码文件....................................................................................................22

仿真器........................................................................................................................23

仿真器和真机...................................................................................................25

总结............................................................................................................................26

第4章 基本构件...............................................................27

什么是基本构件........................................................................................................27

一个实际的例子........................................................................................................27

活动（Activity）......................................................................................................28

活动的生命周期...............................................................................................28

Intent..........................................................................................................................30

服务（Service）........................................................................................................31

内容提供器（Content Provider）............................................................................32

广播接收器（Broadcast Receiver）........................................................................34

应用程序上下文（Application Context）...............................................................34

总结............................................................................................................................35

第5章 Yamba项目简介 ....................................................37

Yamba 应用程序.......................................................................................................37

设计原则....................................................................................................................39

项目设计....................................................................................................................40

第1部分：Android用户界面....................................................................................41

构建一个活动...................................................................................................41

网络和多线程...................................................................................................41

调试Android 程序.............................................................................................41

第2部分：首选项、文件系统、选项菜单及Intent................................................41

活动...................................................................................................................42

菜单系统与Intent..............................................................................................42

文件系统...........................................................................................................42

第3部分：Android服务............................................................................................42

服务...................................................................................................................42

应用程序对象...................................................................................................42

第4部分：使用数据库..............................................................................................43

SQLite及Android对它的支持...........................................................................43

再次重构代码...................................................................................................43

第5部分：列表（List）与适配器（Adapter）......................................................43

时间轴（Timeline）活动.................................................................................43

再重构一次.......................................................................................................44

第6部分：广播接收器（Broadcast Receiver）......................................................44

启动接收器与网络连接接收器.......................................................................44

时间轴（Timeline）接收器.............................................................................44

权限...................................................................................................................44

第7部分：内容提供器（Content Provider）..........................................................44

状态数据...........................................................................................................45

Android小部件..................................................................................................45

第8部分：系统服务..................................................................................................45

指南针与位置...................................................................................................45

Intent服务、提醒及通知..................................................................................45

总结............................................................................................................................46

第6章 Android用户界面 ...................................................47

创建用户界面的两种方法........................................................................................47

声明式的用户界面...........................................................................................47

编程式的用户界面...........................................................................................48

各取所长...........................................................................................................48

控件与布局................................................................................................................48

LinearLayout......................................................................................................49

TableLayout.......................................................................................................50

FrameLayout......................................................................................................50

RelativeLayout...................................................................................................50

AbsoluteLayout..................................................................................................50

启动Yamba项目........................................................................................................50

StatusActivity布局.....................................................................................................52

控件的重要属性...............................................................................................54

字符串资源.......................................................................................................56

StatusActivity Java类.................................................................................................56

编写具体应用的对象，以及初始化相关代码...............................................57

保存文件：编译代码和构建项目...................................................................59

添加库jtwitter.jar...............................................................................................60

更新Manifest文件，获取Internet权限.............................................................61

Android的日志机制..................................................................................................62

LogCat................................................................................................................63

Android的线程机制..................................................................................................65

单线程执行.......................................................................................................65

多线程执行.......................................................................................................66

AsyncTask..........................................................................................................67

其他UI事件...............................................................................................................70

添加图片与色彩........................................................................................................75

添加图片...........................................................................................................75

添加色彩...........................................................................................................78

多版本资源文件........................................................................................................80

优化用户界面............................................................................................................81

Hierarchy Viewer 工具......................................................................................82

总结............................................................................................................................83

第7章 首选项、文件系统、选项菜单及Intent .................. 85

首选项........................................................................................................................85

资源文件...........................................................................................................86

PrefsActivity类..................................................................................................89

修改Manifest文件.............................................................................................90

选项菜单....................................................................................................................91

菜单的资源文件...............................................................................................92

Android系统资源..............................................................................................93

更新StatusActivity，加载菜单.........................................................................93

更新StatusActivity，捕获菜单事件.................................................................94

字符串资源.......................................................................................................95

Shared Preferences.....................................................................................................96

文件系统简介............................................................................................................98

浏览文件系统...................................................................................................98

文件系统的分区...............................................................................................99

系统分区.........................................................................................................100

SDCard 分区....................................................................................................100

用户数据分区.................................................................................................100

文件系统的安全机制.....................................................................................101

总结..........................................................................................................................102

第8章 服务.....................................................................103

Yamba的Application对象........................................................................................104

YambaApplication类.......................................................................................104

更新Manifest文件...........................................................................................106

简化 StatusActivity..........................................................................................107

UpdaterService.........................................................................................................108

创建 UpdaterServiceJava类............................................................................108

更新Manifest文件...........................................................................................110

添加菜单项.....................................................................................................111

更新选项菜单的事件处理.............................................................................111

测试服务.........................................................................................................112

在服务中循环..........................................................................................................113

测试服务.........................................................................................................116

从 Twitter 读取数据................................................................................................117

测试服务.........................................................................................................121

总结..........................................................................................................................121

第9章 数据库.................................................................123

关于 SQLite.............................................................................................................123

DbHelper类..............................................................................................................124

数据库模式及其创建.....................................................................................124

4种主要操作...................................................................................................125

游标.................................................................................................................126

第一个例子..............................................................................................................127

修改UpdaterService.................................................................................................129

测试服务.........................................................................................................133

数据库约束.....................................................................................................135

重构数据库访问......................................................................................................136

总结..........................................................................................................................142

第10章 列表与适配器 ....................................................145

TimelineActivity......................................................................................................145

TimelineActivity的基本布局..................................................................................146

ScrollView简介................................................................................................146

创建TimelineActivity类..................................................................................147

关于适配器..............................................................................................................150

为TimelineActivity添加ListView...................................................................151

创建一个单行消息布局.................................................................................152

在TimelineActivity.java中创建适配器...........................................................153

TimelineAdapter......................................................................................................155

ViewBinder: 取代TimelineAdapter的更好选择.....................................................158

更新Manifest文件...................................................................................................160

程序初始设置.................................................................................................162

Base Activity............................................................................................................163

服务开关.........................................................................................................163

总结..........................................................................................................................170

第11章 广播接收器（Broadcast Receiver） ................. 171

关于Broadcast Receiver..........................................................................................171

BootReceiver............................................................................................................172

将BootReceiver注册到AndroidManifest文件................................................173

测试 BootReceiver..........................................................................................173

TimelineReceiver.....................................................................................................173

广播Intent................................................................................................................175

Network Receiver....................................................................................................177

添加用于发送和接收广播的自定义权限..............................................................180

在Manifest文件中声明权限...........................................................................180

为更新服务应用权限机制.............................................................................181

为TimelineReceiver应用权限机制.................................................................183

总结..........................................................................................................................183

第12章 内容提供器（Content Provider）...................... 185

创建Content Provider..............................................................................................185

定义URI...........................................................................................................186

插入数据.........................................................................................................187

更新数据.........................................................................................................188

删除数据.........................................................................................................189

查询数据.........................................................................................................190

获取数据类型.................................................................................................191

更新Android Manifest文件.............................................................................192

在小部件中使用Content Provider..........................................................................192

实现YambaWidget类.......................................................................................193

创建XML布局.................................................................................................196

创建AppWidgetProviderInfo文件...................................................................197

更新Manifest文件...........................................................................................197

测试小部件.....................................................................................................198

总结..........................................................................................................................198

第13章 系统服务...........................................................201

实例：指南针..........................................................................................................201

使用系统服务的一般步骤.............................................................................201

获取指南针的更新.........................................................................................202

指南针的主活动.............................................................................................203

自定义的表盘小部件.....................................................................................206

位置服务..................................................................................................................208

实例: Where Am I............................................................................................208

用上位置服务，重构Yamba..................................................................................213

更新首选项.....................................................................................................213

更新Yamba程序..............................................................................................214

更新Status Activity..........................................................................................215

Intent服务................................................................................................................219

Alarms..............................................................................................................222

在首选项中添加Interval选项.........................................................................223

更新BootReceiver............................................................................................224

发送通知..................................................................................................................226

总结..........................................................................................................................229

第14章 Android接口描述语言 ........................................231

实现远程服务..........................................................................................................231

编写AIDL........................................................................................................232

实现服务.........................................................................................................233

实现一个Parcel................................................................................................235

注册到Manifest文件.......................................................................................236

实现远程客户端......................................................................................................237

绑定到远程服务.............................................................................................238

测试运行.........................................................................................................241

总结..........................................................................................................................242

第15章 Native Development Kit (NDK) .........................243

NDK是什么.............................................................................................................243

NDK的功能.............................................................................................................244

工具链.............................................................................................................244

打包库文件.....................................................................................................244

文档与标准头文件.........................................................................................244

NDK实例：计算菲波那契数列.............................................................................245

FibLib...............................................................................................................246

JNI 头文件.......................................................................................................247

C 实现..............................................................................................................249

Makefile...........................................................................................................251

构建共享库.....................................................................................................251

Fibonacci Activity............................................................................................251

测试所有的工作.............................................................................................253

总结..........................................................................................................................254

索引.................................................................................255