Hello world. Follow steps under the sections “Create an AVD” and “Create a New Android Project” at http://developer.android.com/resources/tutorials/hello-world.html Don’t do anything under the section “Construct the UI”
This is a class name in the package
These say that this class is the entry point into the app.
That is, the OS can call this activity by using the name and category.
This particular name and category means it is the entry point
String actionName = "edu.udel.eleg454.helloandroid.ShowSecondView";
Intent intent = new Intent(actionName);