1. Add the choice of a background color to the settings activity. Create a couple of new color resources in color.xml. Add these choices as a RadioGroup to the settings screen. You will have to modify the layout to place all the RadioGroups in a ScrollView so that you can see them all. Make the choice persist in a
SharedPreferences object. Use the following command in the
onCreate method of the settings activity to set the chosen background color:
2. Create a method in
ContactDataSource that will only update the Contact’s Address. Create a
ContactAddress object to pass data to the method.
3. Modify the
Contact table to include a field BFF ...