如何显示一次性欢迎屏幕？

In my android app, I need to design a Welcome Screen which will be shown to the user only once after the app is installed and opened. The app in question is a database driven app and I would love to include some 3 - 4 screens to help the user create re-usable resources for use within the app and a few tips. They would be Dialog Alerts with the last welcome screen showing the "Do Not Show Again" checkbox.In my android app, I need to design a Welcome S