String class generates standard string gadgets with
all editing facilities (clear, undo, etc.) enabled.
By default, string gadgets do not have any label next
to them. If you want to have a label next to your
string gadget, you need to put it into a
and then use Label class or Text class
class to put a label next to it.
Here is an XML example of a string gadget:
<string id="mystring" contents="Enter something!"/>