Android

2008年2月22日 (五) 13:49的版本

由 Google 牵头，携手国际上多家领先的移动服务提供商(包括中国移动通信、日本的DoCoMo) 共同组建开放手机联盟, 并推出 Android 综合移动设备平台。这是一个基于 Linux 的移动应用创新平台。同时也推出 Android SDK 软件开发工具包，开发者们可以利用 SDK 工具包开发基于 Android 平台的新应用。Google也正式宣布举办总奖金为 1000 万美元的 Android 开发者大赛，邀请开发者们为 Android 平台开发移动应用。

Android license: Apache V2: [Why Google chose the Apache Software License over GPLv2 for Android]

Google Android Architecture

Google 已将战线延伸至无线移动终端，可以预见这将是 Google 广告收入新的增长点。

有关 Google Android 架构介绍的视频信息:

• Androidology - Part 1 of 3 - Architecture Overview
• Androidology - Part 2 of 3 - Application Lifecycle
• Androidology - Part 3 of 3 - APIs

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

Links

• http://www.openhandsetalliance.com/
• http://code.google.com/android/
• http://code.google.com/p/android/
• http://android-developers.blogspot.com/
• http://download.huihoo.com/android/
• http://docs.huihoo.com/android/