1.Android - Overview
What is Android?
Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies.
Android offers a unified approach to application development for mobile devices which means developers need only develop for Android, and their applications should be able to run on different devices powered by Android.
The first beta version of the Android Software Development Kit (SDK) was released by Google in 2007 where as the first commercial version, Android 1.0, was released in September 2008.
On June 27, 2012, at the Google I/O ...view middle of the document...
Multi-touch | Android has native support for multi-touch which was initially made available in handsets such as the HTC Hero. |
Multi-tasking | User can jump from one task to another and same time various application can run simultaneously. |
Resizable widgets | Widgets are resizable, so users can expand them to show more content or shrink them to save space |
Multi-Language | Supports single direction and bi-directional text. |
GCM | Google Cloud Messaging (GCM) is a service that lets developers send short message data to their users on Android devices, without needing a proprietary sync solution. |
Wi-Fi Direct | A technology that lets apps discover and pair directly, over a high-bandwidth peer-to-peer connection. |
Android Beam | A popular NFC-based technology that lets users instantly share, just by touching two NFC-enabled phones together. |
Android applications are usually developed in the Java language using the Android Software Development Kit.
Once developed, Android applications can be packaged easily and sold out either through a store such as Google Play,SlideME,Opera Mobile Store,Mobango,F-droid and the Amazon Appstore.
Android powers hundreds of millions of mobile devices in more than 190 countries around the world. It's the largest installed base of any mobile platform and growing fast. Every day more than 1 million new Android devices are activated worldwide.
This tutorial has been written with an aim to teach you how to develop and package Android application. We will start from environment setup for Android...