Stuff about Android

最新推荐文章于 2025-11-27 17:09:28 发布

最新推荐文章于 2025-11-27 17:09:28 发布 · 224 阅读

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#移动开发 #数据库 #java

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本文介绍了Android操作系统的概览，强调其作为移动设备软件堆栈的角色，涵盖了操作系统、中间件及关键应用等内容。文章还详细列出了Android平台的主要特性，包括应用框架、Dalvik虚拟机、集成浏览器等，并概述了开发环境的组成部分。

Foreword:

long time no technical stuff,as the plan,I will focus on the mobile dev stuff.I know I don't catch the trend of industry quickly but I will try.finally get some time to see what's Android.

the defined by official website:

What's Android?

Android is a software stack for mobile devices that includes an operating system, middleware and key applications. The Android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the Java programming language.

Features

Application framework enabling reuse and replacement of components
Dalvik virtual machine optimized for mobile devices
Integrated browser based on the open source WebKit engine
Optimized graphics powered by a custom 2D graphics library; 3D graphics based on the OpenGL ES 1.0 specification (hardware acceleration optional)
SQLite for structured data storage
Media support for common audio, video, and still image formats (MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, GIF)
GSM Telephony (hardware dependent)
Bluetooth, EDGE, 3G, and WiFi (hardware dependent)
Camera, GPS, compass, and accelerometer (hardware dependent)
Rich development environment including a device emulator, tools for debugging, memory and performance profiling, and a plugin for the Eclipse IDE