This section contains the solutions to the thought experiments and answers to the lesson review questions in this chapter.

Objective 2.1: Thought experiment

  1. Yes. A Windows Store app can act as a contact provider while including other features such as importing data from local and remote sources.

  2. One of the requirements of the ContactPickerUI class is that the application should not be in the snapped state. You should check the app’s view state and try to unsnap it if it is in the snapped state.

  3. Yes. If the calling application uses PickMultipleContactsAsync, users will be able to select more than one contact at any time. Users will be able to select one contact at a time if PickSingleContactAsync is used.

Objective 2.1: Review

  1. Correct answers: ...

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