You can also specify a targetSdkVersion. This indicates what version of Android
you are thinking of as you are writing your code. If your application is run on a
newer version of Android, Android may do some things to try to improve
compatibility of your code with respect to changes made in the newer Android.
Nowadays, most Android developers should specify a target SDK version of 14 or
higher. We will start to explore more about the targetSdkVersion as we get deeper
into the book; for the moment, whatever your IDE gives you as a default value is
probably a fine starting point