Android编程 第2版 英文2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

Android编程 第2版 英文PDF格式电子书版下载

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PartⅠ．Tools and Basics3

1． Installing the Android SDKand Prerequisites3

Installing the Android SDK and Prerequisites3

The Java Development Kit (JDK)4

The Eclipse Integrated Development Environment (IDE)5

The Android SDK7

Adding Build Targets to the SDK8

The Android Developer Tools (ADT) Plug-in for Eclipse9

Test Drive: Confirm That Your Installation Works12

Making an Android Project12

Making an Android Virtual Device (AVD)16

Running a Program on an AVD19

Running a Program on an Android Device20

Troubleshooting SDK Problems: No Build Targets21

Components of the SDK21

The Android Debug Bridge (adb)21

The Dalvik Debug Monitor Server (DDMS)21

Components of the ADT Eclipse Plug-in23

Android Virtual Devices25

Other SDK Tools26

Keeping Up-to-Date27

Keeping the Android SDK Up-to-Date28

Keeping Eclipse and the ADT Plug-in Up-to-Date28

Keeping the JDK Up-to-Date29

Example Code30

SDK Example Code30

Example Code from This Book30

On Reading Code31

2． Java for Android33

Android Is Reshaping Client-Side Java33

The Java Type System34

Primitive Types34

Objects and Classes35

Object Creation35

The Object Class and Its Methods37

Objects, Inheritance, and Polymorphism39

Final and Static Declarations41

Abstract Classes45

Interfaces46

Exceptions48

The Java Collections Framework51

Garbage Collection55

Scope55

Java Packages56

Access Modifiers and Encapsulation57

Idioms of Java Programming59

Type Safety in Java59

Using Anonymous Classes62

Modular Programming in Java64

Basic Multithreaded Concurrent Programming in Java67

Synchronization and Thread Safety68

Thread Control with wait() and notify() Methods71

Synchronization and Data Structures72

3． The Ingredients of an Android Application75

Traditional Programming Models Compared to Android75

Activities, Intents, and Tasks77

Other Android Components79

Service79

Content Providers80

BroadcastReceiver83

Component Life Cycles83

The Activity Life Cycle83

On Porting Software to Android85

Static Application Resources and Context86

Organizing Java Source87

Resources88

Application Manifests90

Initialization Parameters in AndroidManifest.xml91

Packaging an Android Application: The .apk File94

The Android Application Runtime Environment94

The Dalvik VM95

Zygote: Forking a New Process95

Sandboxing: Processes and Users95

The Android Libraries96

Extending Android98

The Android Application Template98

Overrides and Callbacks99

Polymorphism and Composition101

Extending Android Classes102

Concurrency in Android104

AsyncTask and the UI Thread105

Threads in an Android Process116

Serialization118

Java Serialization119

Parcelable120

Classes That Support Serialization124

Serialization and the Application Life Cycle125

4． Getting Your Application into Users' Hands127

Application Signing127

Public Key Encryption and Cryptographic Signing127

How Signatures Protect Software Users, Publishers, and Secure Communications129

Signing an Application130

Placing an Application for Distribution in the Android Market135

Becoming an Official Android Developer135

Uploading Applications in the Market136

Getting Paid138

Alternative Distribution139

Verizon Applications for Android139

Amazon Applications for Android141

Google Maps API Keys143

Specifying API-Level Compatibility144

Compatibility with Many Kinds of Screens144

Testing for Screen Size Compatibility145

Resource Qualifiers and Screen Sizes145

5． Eclipse forAndroid Software Development147

Eclipse Concepts and Terminology148

Plug-ins148

Workspaces149

Java Environments150

Projects151

Builders and Artifacts151

Extensions151

Associations153

Eclipse Views and Perspectives153

The Package Explorer View154

The Task List View154

The Outline View155

The Problems View155

Java Coding in Eclipse156

Editing Java Code and Code Completion156

Re factoring156

Eclipse and Android158

Preventing Bugs and Keeping Your Code Clean158

Static Analyzers158

Applying Static Analysis to Android Code163

Limitations of Static Analysis166

Eclipse Idiosyncrasies and Alternatives166

PartⅡ． About the Android Framework166

6． Building a View171

Android GUI Architecture171

The Model171

The View172

The Controller173

Putting It Together173

Assembling a Graphical Interface175

Wiring Up the Controller180

Listening to the Model182

Listening for Touch Events187

Multiple Pointers and Gestures190

Listening for Key Events192

Choosing an Event Handler193

Advanced Wiring: Focus and Threading195

The Menu and the Action Bar199

View Debugging and Optimization202

7． Fragments and Multiplatform Support205

Creating a Fragment206

Fragment Life Cycle209

The Fragment Manager210

Fragment Transactions211

The Support Package216

Fragments and Layout217

8． Drawing 2D and 3D Graphics225

Rolling Your Own Widgets225

Layout226

Canvas Drawing231

Drawables242

Bitmaps247

Bling248

Shadows, Gradients, Filters, and Hardware Acceleration251

Animation253

OpenGL Graphics258

9． Handling and Persisting Data263

Relational Database Overview263

SQLite264

The SQL Language264

SQL Data Definition Commands265

SQL Data Manipulation Commands268

Additional Database Concepts270

Database Transactions271

Example Database Manipulation Using sqlite3271

SQL and the Database-Centric Data Model for Android Applications275

The Android Database Classes276

Database Design for Android Applications277

Basic Structure of the SimpleVideoDbHelper Class277

Using the Database API: MJAndroid280

Android and Social Networking280

The Source Folder (src)282

Loading and Starting the Application283

Database Queries and Reading Data from the Database283

Modifying the Database287

PartⅢ． A Skeleton Application for Android295

10． A Framework for a Well-Behaved Application295

Visualizing Life Cycles296

Visualizing the Activity Life Cycle296

Visualizing the Fragment Life Cycle308

The Activity Class and Well-Behaved Applications311

The Activity Life Cycle and the User Experience311

Life Cycle Methods of the Application Class312

11． Buildinga User Interface315

Top-Level Design316

Fragment, Activity, and Scalable Design317

Visual Editing of User Interfaces319

Starting with a Blank Slate319

Laying Out the Fragments323

Lay Out Fragments Using the Visual Editor324

Multiple Layouts325

Folding and Unfolding a Scalable UI326

Decisions about Screen Size and Resolution326

Delegating to Fragment Classes330

Making Activity, Fragment, Action Bar, and Multiple Layouts Work To-gether333

Action Bar333

Tabs and Fragments333

The Other Activity336

12． Using Content Providers341

Understanding Content Providers342

Implementing a Content Provider343

Browsing Video with Finch344

Defining a Provider Public API345

Defining the CONTENT_URI346

Creating the Column Names348

Declaring Column Specification Strings348

Writing and Integrating a Content Provider350

Common Content Provider Tasks350

File Management and Binary Data352

Android MVC and Content Observation354

A Complete Content Provider: The SimpleFinchVideoContentProvider Code355

The SimpleFinch Video ContentProvider Class and Instance Variables355

Implementing the on Create Method357

Implementing the getType Method358

Implementing the Provider API358

Determining How Often to Notify Observers363

Declaring Your Content Provider363

13． A Content Provider as a Facade for a RESTful Web Service365

Developing RESTful Android Applications366

A "Network MVC"367

Summary of Benefits369

Code Example: Dynamically Listing and Caching YouTube Video Content370

Structure of the Source Code for the Finch YouTube Video Example371

Stepping Through the Search Application372

Step 1: Our UI Collects User Input373

Step 2: Our Controller Listens for Events373

Step 3: The Controller Queries the Content Provider with a managedQuery on the Content Provider/Model374

Step 4: Implementing the RESTful Request374

Constants and Initialization375

Creating the Database375

A Networked Query Method375

insert and ResponseHandlers388

File Management: Storing Thumbnails390

PartⅣ． Advanced Topics395

14． Search395

Search Interface395

Search Basics395

Search Dialog402

Search Widget403

Query Suggestions404

Recent Query Suggestions404

Custom Query Suggestions405

15． Location and Mapping411

Location-Based Services412

Mapping413

The Google Maps Activity413

The MapView and MapActivity414

Working with MapViews415

MapView and MyLocationOverlay Initialization415

Pausing and Resuming a MapActivity418

Controlling the Map with Menu Buttons419

Controlling the Map with the Keypad421

Location Without Maps422

The Manifest and Layout Files422

Connecting to a Location Provider and Getting Location Updates423

Updating the Emulated Location426

StreetView430

16． Multimedia433

Audio and Video433

Playing Audio and Video434

Audio Playback435

Video Playback437

Recording Audio and Video438

Audio Recording439

Video Recording442

Stored Media Content443

17． Sensors, NFC, Speech, Gestures, and Accessibility445

Sensors445

Position447

Other Sensors449

Near Field Communication (NFC)450

Reading a Tag451

Writing to a Tag457

P2P Mode and Beam459

Gesture Input461

Accessibility463

18． Communication, Identity, Sync, and Social Media467

Account Contacts467

Authentication and Synchronization470

Authentication471

Synchronization478

Bluetooth485

The Bluetooth Protocol Stack485

BlueZ: The Linux Bluetooth Implementation487

Using Bluetooth in Android Applications487

19． The Android Native Development Kit (NDK)501

Native Methods and JNI Calls502

Conventions in Native Method Calls502

Conventions on the Java Side503

The Android NDK504

Setting Up the NDK Environment504

Editing C/C++ Code in Eclipse504

Compiling with the NDK505

JNI, NDK, and SDK: A Sample App506

Native Libraries and Headers Provided by the NDK507

Building Your Own Custom Library Modules509

Native Activities512

Index519