Android

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。

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://android-developers.blogspot.com/