Introduction - 1.1 Techo. Introduction
- 1.2 Android - Introduction
- 1.3 Architecture
- 1.4 Application Components
- 1.5 Hello World Example
- 1.6 Project Structure
- 1.7 Android Tools
- 1.8 App Workflow
- 1.9 Multiple Screens Support
- 1.10 Organizing Project
- 1.11 App Debugging
- 1.12 Interview Questions
- 1.13 Creating Emulator and Mobile
- 1.14 Road Map
Android Introduction
Android is a complete set of software for mobile devices such as tablet computers, notebooks, smartphones, electronic book readers, set-top boxes etc.It contains a linux-based Operating System, middleware and key mobile applications.The project responsible for developing the Android system is called the Android Open Source Project (AOSP) and is primarily lead by Google.
Why Learn Android Development?
Android is fast becoming one of the biggest platforms for programmers today. There is a huge demand for skilled Android Developers all over the world. Most businesses across multiple domains are building Android Apps both for enterprise and retail products. Whether you are student or in the IT industry, possessing Android Development skills will help you take the next big leap in your career.
App types
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.The code names of android ranges from A to L currently, such as Aestro, Blender, Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwitch, Jelly Bean, KitKat and Lollipop. Let's understand the android history in a sequence.
| Platform Version | API Level | VERSION_CODE |
|---|---|---|
| Android 5.0 | 21 | LOLLIPOP |
| Android 4.4W | 20 | KITKAT_WATCH |
| Android 4.4 | 19 | KITKAT |
| Android 4.1 - 4.3 | 16-18 | JELLY_BEAN |
| Android 4.0 - 4.0.4 | 14-15 | ICE_CREAM_SANDWICH |
| Android 3.0 - 3.3 | 11-13 | HONEYCOMB |
| Android 2.3 - Android 2.3.4 | 9-10 | GINGERBREAD |
| Android 2.2.x | 8 | FROYO |
| Android 2.0-2.1 | 5-7 | ECLAIR |
| Android 1.6 | 4 | DONUT |
| Android 1.5 | 3 | CUPCAKE |