Android

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What is 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
Features
• • Optimized graphics powered by a custom 2D graphics library; 3D graphics based onthe 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)
Features
• • GSM Telephony (hardware dependent)
• • Bluetooth, EDGE, 3G, and WiFi (hardware dependent)
• • Camera, GPS, compass, and accelerometer (hardware dependent)
• • Rich development environment including adevice emulator, tools for debugging, memory and performance profiling, and a plugin for the Eclipse IDE
Applications
• • Android will ship with a set of core applications including an email client, SMS program, calendar, maps, browser, contacts,and others. All applications are written using the Java programming language.
Linux Kernel
• • Android relies on Linux version 2.6 for coresystem services such as security, memory management, process management, network stack, and driver model. The kernel also acts as an abstraction layer between the hardware and the rest of the software stack.