Android Overview

最新推荐文章于 2025-12-05 09:24:48 发布

原创最新推荐文章于 2025-12-05 09:24:48 发布 · 178 阅读

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#移动开发 #数据库 #开发工具

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本文介绍了Android系统的多项关键特性，包括应用框架、Dalvik虚拟机、集成浏览器、图形优化、多媒体支持等，并概述了其系统架构。

特性：
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

架构：
[img]http://developer.android.com/images/system-architecture.jpg[/img]