Android Technically What Is It

Android - Technically what is it?

(an overivew of what is Android and its uniqueness is discussed in another post below)


1. It is an operating system for mobile
   
2. Interestingly, it is not yet another OS, but component based
   OS
   
3. It has an integrated Java Virtual Machine
   
4. System interfaces are exposed only through Java libraries
   
5. It is based on the Linux Kernel
   
6. An Android SDK is provided to let developers build applications on top of the OS but not extend the OS itself
   
7. The SDK includes
   
   
   
   • Android packages
     
   • sample files
     
   • Documentation
     
   • A Simulator

The offical site of Android broadly classfies the technical parts of the OS as
consisting of

1. Linux Kernel
   
2. Android Runtime
   
3. Libraries
   
4. Application Framework
   

over which the core applications run as well as the applications developed by anyone using this framework

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Android 3 0 Honeycomb Overview

Google released its tablet-targeted Android version 3.0 (Honeycomb) with a totally new interdace and concepts.
here are the major updates:

• API level: 11.

Action Bar:
a new concept instead of the old title bar, very si,ilar to the task bar in Windows

Fragments API:

the Fragment is a new component allowing you to construct an Activity from multiple separate activities or from several invisible worker services.

System Clipboard:
The system provides more copy-paste capabalities, allowing the user to copy text, urls, images or any user-defined type through content providers.

Drag and Drop

The drag and drop operation enables you to move data in a visualized way. giving you the control over the diferrent drag and drop events.

App widgets:
Android 3.0 supports several new widget classes for more interactive app widgets on the users Home screen, including: GridView, ListView, StackView, ViewFlipper, and AdapterViewFlipper.

Status bar notifications:

new notifications system including the ability to configure the notification layouts and notifications large icons.

Content Loaders:
new API to load data asynchronously using the Loader class.

New UI and Graphics frameworks.

for more info regadring the honeycomb sdk please refer to this link.

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