A Sample app (VIPER demo)
App Description:
Use Cases
- insert a new contact.
- delete an existing contact.
- see a list with all contacts.
- see the name, firstname, and phone number for each contact.
- see the total number of contacts in the app.
- call a contact directly from the app.
Data persistance
- each contact has a name with at least one character
- each contact has a firstname with at least one character
- each contact has a valid international phone number
- two or more contacts with the same name and firstname are possible