How to install tools to develop Android Application?

How to install tools to develop Android Application?

Here we only use the lastest version (at this time) of the tools.

1. Download and install the lastest version of Eclipse IDE
2. Download and install the lastest version of JDK
3. Installing the Eclipse Plugin (ADT)
4. Download and install the lastest version of SDK

That's all you need. Let's begin to write the program.

For more detail, go here.