In Eclipse with your project open:
1. In the Package Explorer right click on your project and select "Properties".
2. Select "Java Build Path" -> "Libraries".
3. "Add External JARs..." then select the DatePreference.jar file.
In your activity that descends from PreferenceActivity:
import org.bostonandroid.datepreference.DatePreference;
In your preference XML:
<org.bostonandroid.datepreference.DatePreference
android:key="dob" android:title="@string/dob"
android:defaultValue="1991.01.01" />
To quickly get the Date selected for "dob", in your PreferenceActivity:
DatePreference.getDateFor(
PreferenceManager.getDefaultSharePreferences(this),
"dob");
To set the date use .setDate(String).
To make the JAR:
With just the DatePreference source code loaded in Eclipse:
In the Package Explorer right click on the "default.jardesc" file and select "Create JAR"