/// <summary>
/// Search for contacts
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
internal async Task SearchForTextAsync(string text)
{
if (!String.IsNullOrWhiteSpace(text))
{
ContactQueryOptions option = new ContactQueryOptions(text, ContactQuerySearchFields.All);
ContactReader reader = store.GetContactReader(option);
await DisplayContactsFromReaderAsync(reader);
}
// A null query string is beeing treated as query for "*"
else
{
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader);
}
}
/// <summary>
/// Loads up the contact store using the contactsRT APIs.
/// Checks to make sure the store can be loaded and errors out accordingly
/// </summary>
private async Task LoadContactsFromStoreAsync()
{
//Try loading the contact atore
try
{
store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AllContactsReadOnly);
}
catch (Exception ex)
{
ContactsStatusText = "We couldn't load the contact store.";
Debug.WriteLine("Potential contact store bug: " + ex, "error");
}
//If we can access the store without crashing (There seems to be a bug with the store).
//Check to make sure we actually have access.
if (store == null)
{
//Launch the settings app to fix the security settings
Debug.WriteLine("Could not open contact store, is app access disabled in privacy settings?", "error");
return;
}
Debug.WriteLine("Contact store opened for reading successfully.", "informational");
//Load the contacts into the ListView on the page
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader, true);
return;
}
private async Task LoadContactsFromStoreAsync()
{
try {
store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AllContactsReadOnly);
} catch (Exception ex) {
Debug.WriteLine("Potential contact store bug: " + ex, "error");
}
if (store == null)
{
MessageDialog connectionWarning =
new MessageDialog("The app needs access to your contacts in order to function correctly. " +
"Please grant it access using the options in the settings menu ",
"Lost Connection to Store");
await connectionWarning.ShowAsync();
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-contacts"));
return;
}
store.ChangeTracker.Enable();
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader, true);
return;
}
private async Task SearchForTextAsync(string ContactFilter)
{
if (store == null)
{
await LoadContactsFromStoreAsync();
return;
}
if (!string.IsNullOrWhiteSpace(ContactFilter))
{
ContactQueryOptions option = new ContactQueryOptions(ContactFilter, ContactQuerySearchFields.All);
ContactReader reader = store.GetContactReader(option);
await DisplayContactsFromReaderAsync(reader, false);
}
else
{
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader, true);
}
return;
}
/// <summary>
/// Processes contact search.
/// </summary>
/// <param name="ContactFilter">Takes in the string inputed by the user</param>
private async Task SearchForTextAsync(string ContactFilter)
{
if (store == null)
{
//Shouldn't happen, and I don't want to deal with opening the store in multiple locations
await LoadContactsFromStoreAsync();
return;
}
//A null query string is being treated as a query for "*"
if (!string.IsNullOrWhiteSpace(ContactFilter))
{
ContactQueryOptions option = new ContactQueryOptions(ContactFilter, ContactQuerySearchFields.All);
ContactReader reader = store.GetContactReader(option);
await DisplayContactsFromReaderAsync(reader, false);
}
else
{
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader, true);
}
return;
}
/// <summary>
/// Load contacts from contact manager.
/// Add <uap:Capability Name="contacts" /> to manifest
/// </summary>
/// <returns></returns>
public async Task LoadContactsAsync()
{
store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AllContactsReadOnly);
if (store == null) // check every time because user can deactivate access at any time
{
LostConnectionToStore(this, new EventArgs());
return;
}
Debug.WriteLine("Contact store opend for writing successfully.", "information");
// Load contacts into ListView on the page
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader);
// Start tracking changes to the store once the list is loaded into memory
store.ChangeTracker.Enable();
store.ContactChanged += Store_ContactChanged;
}
/// <summary>
/// Loads up the contact store using the contactsRT APIs.
/// Checks to make sure the store can be loaded and errors out accordingly
/// </summary>
private async Task LoadContactsFromStoreAsync()
{
//Try loading the contact atore
try
{
store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AllContactsReadOnly);
}
catch (Exception ex)
{
ContactsStatusText = "We couldn't load the contact store.";
Debug.WriteLine("Potential contact store bug: " + ex, "error");
}
//If we can access the store without crashing (There seems to be a bug with the store).
//Check to make sure we actually have access.
if (store == null)
{
//Launch the settings app to fix the security settings
Debug.WriteLine("Could not open contact store, is app access disabled in privacy settings?", "error");
return;
}
Debug.WriteLine("Contact store opened for reading successfully.", "informational");
//Load the contacts into the ListView on the page
ContactReader reader = store.GetContactReader();
await DisplayContactsFromReaderAsync(reader, true);
return;
}