What is Android?
Android is an operating system based on Linux with a Java programming interface. It provides tools, e.g. a compiler, debugger and a device emulator as well as its own Java Virtual machine (Dalvik Virtual Machine – DVM).
Android is officially guided by the Open Handset Alliance but in reality Google leads the project.
Android supports 2-D and 3-D graphics using the OpenGL libraries and supports data storage in a SQLite database.
Every Android applications runs in its own process and under its own user id which is generated automatically by the Android system during deployment. Therefore the application is isolated from other running applications and a misbehaving application cannot easily harm other Android applications.
The Android platform is a software stack for mobile devices including an operating system, middleware and key applications. Developers can create applications for the platform using the Android SDK. Applications are written using the Java programming language and run on Dalvik, a custom virtual machine designed for embedded use which runs on top of a Linux kernel.
An early look at the the Android SDK is also available. It includes sample projects with source code, development tools, an emulator, and of course all the libraries you’ll need to build an Android application.
Version history
Android is an operating system based on Linux with a Java programming interface. It provides tools, e.g. a compiler, debugger and a device emulator as well as its own Java Virtual machine (Dalvik Virtual Machine – DVM).
Android is officially guided by the Open Handset Alliance but in reality Google leads the project.
Android supports 2-D and 3-D graphics using the OpenGL libraries and supports data storage in a SQLite database.
Every Android applications runs in its own process and under its own user id which is generated automatically by the Android system during deployment. Therefore the application is isolated from other running applications and a misbehaving application cannot easily harm other Android applications.
The Android platform is a software stack for mobile devices including an operating system, middleware and key applications. Developers can create applications for the platform using the Android SDK. Applications are written using the Java programming language and run on Dalvik, a custom virtual machine designed for embedded use which runs on top of a Linux kernel.
An early look at the the Android SDK is also available. It includes sample projects with source code, development tools, an emulator, and of course all the libraries you’ll need to build an Android application.
Version history
Platform Version
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API Level
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VERSION_CODE
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2
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Android 1.0
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1
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Understanding Structure of android Application.
Android Layouts:
Android Tutorials:
Android Sample Code tutorials:
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