Sample Interview Activity

MainActivity.java

public class MainActivity extends AppCompatActivity {

    private TextView _name;
    private TextView _address;
    private TextView _phoneNumber;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initViews();
        Contact contact = DataModel.getContact();
        if (contact != null) {
            setUpContact(contact);
        } else {
            new MainActivityLoader().load();
        }
    }

    private void initViews() {
        _name = (TextView) findViewById(R.id.name);
        _address = (TextView) findViewById(R.id.address);
        _phoneNumber = (TextView) findViewById(R.id.phoneNumber);
    }

    public class MainActivityLoader implements AbstractLoader {

        @Override
        public Contact doInBackground() {
            Contact contact = loadNetworkCotactSync();
            setUpContact(contact);
            return contact;
        }

        @Override
        public void doInForeground(Contact contact) {
            DataModel.persistContact(contact);
        }
    }

    private void setUpContact(Contact contact) {
        _name.setText(contact.getName());
        _address.setText(contact.getAddress());
        _phoneNumber.setText(contact.getPhoneNumber());
    }
}