Mobile Application Development

This book is a collection of Mobile applications development basic code:

This book is based on code and basic questions related to mobile application development.
like: -
1-HELLO WORLD.
2-Implicit Intent.
3-Explicit Intent.
4-Calculator.
5-Toast Message.
6-Phone Call by Button.
7- Switch on/off Wi-Fi by Toggle Button.
8-ListView.
9-Login Validation.
10-Notification.
11-Battery and Charging Status.