Android 5.0快速API指南：精要开发参考

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《Android快速API参考》是一本由Onur Cinar编著的专业指南，专为Android 5.0 SDK的新开发者设计。本书旨在提供一个简洁、实用的代码和API参考手册，避免了技术行话、冗长示例和不必要的背景介绍，以帮助读者高效学习和开发。书中首先介绍了Android平台的基本概念，包括其操作系统、配套的本地库、应用运行时以及应用框架。对于有经验的Android程序员，它是一个精炼的语法参考资料，对新手则是一份易于理解的入门指南。全书共分为九章： 1. **Android平台简介**：简述Android系统的核心组件，如操作系统、应用程序接口（API）以及它们在整体系统架构中的作用。 2. **开发环境**：涵盖Android Studio IDE的使用，包括设置、配置和调试工具，确保读者熟悉开发流程。 3. **应用组件**：讲解Android应用程序的基础组成部分，如用户界面元素、通知机制和资源管理。 4. **应用资源**：详细介绍如何管理和使用应用程序的各种资源，包括布局、图片、文本和音频/视频等。 5. **布局与视图**：深入解析用户界面设计，包括XML布局文件和视图组件的创建与使用。 6. **数据存储**：教授如何利用Android提供的API持久化数据，如SQLite数据库和SharedPreferences。 7. **传感器与位置**：涵盖了设备定位、传感器读取和处理的相关API，这对于实时应用程序至关重要。 8. **媒体与相机**：指导读者如何录制和播放视频和音频，以及如何访问设备摄像头进行图像和视频捕捉。 9. **目录索引**：提供了详细的索引，便于读者快速查找所需的内容。本书适合于希望快速掌握Android开发的开发者，无论是为了日常项目还是扩展技能，都能从中找到所需的信息。小巧便携，是移动开发者随身携带的理想参考书籍。通过阅读这本书，读者不仅能了解官方Android SDK，还能提升开发效率和应用程序的质量。

CHAPTER 1: Android Platform

Android Support Library

Although targeting a lower API level increases the audience of your application,

it also limits the Android platform features that you can use within your

application. In order to overcome this trade-off, the Android Support Library

has been introduced. The Android Support Library package is a set of code

libraries that provide backward-compatible versions of recent Android APIs.

This means that your application can benefit from an Android API that is

only available in API Level 19 but can still target devices running API Level 4

and up. Including the Android Support Library in your Android application is

considered a best practice for Android application development.

Note The Android Support Library does not cover every new API, as

some of them may require additional operating system features that are

only supported by a specific Android platform release.

Each Android Support Library targets a different base API level and based

on that provides a different set of backward-compatible API features. You

should choose the support library flavor based on the set of features that

you will need. The Support Library Feature Guide

provides an overview of

support library flavors from which you can choose.

In the next chapters, you will learn how to include the Android Support

Library in your Android application.

Summary

This first chapter of the book covered the fundamentals of the Android

platform. As indicated earlier in this chapter, you will not be directly

interfacing with most of the core components that are presented in the

section “Platform Architecture,” although knowing these components will

make it easier for you to understand the Android framework functions that

will be covered in the next few chapters.

http://developer.android.com/tools/support-library/features.html.

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Android 5.0快速API指南：精要开发参考

AndroidQuickApisReference.pdf 英文原版

Android Quick APIs Reference.pdf 2015.1

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