Android is a complex platform that includes an operating system, middleware, applications, and is extensible and customizable. It uses Java for development and provides IDEs like Eclipse and SDKs for building apps. Sample code shows how to create toggle buttons and checkboxes in an Android application.

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•Android is not just an operating system
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•Middleware
•Applications
•Platform bright and complex.
•Extensible and modular
•Customizable

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• JDK : jdk 5 – 6
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• IDE : eclipse / netbeans
• SDK: android / undroid

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what about a sample of code ?
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11. ToggleBoutton
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12. Checkbox
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