private async Task ShowContacts(ContactReader reader)
{
txtContacts.Text = ""; //reset text box
var batch = await reader.ReadBatchAsync();
while (batch.Contacts.Count != 0 &&
batch.Status == ContactBatchStatus.Success)
{
foreach (Contact c in batch.Contacts)
{
txtContacts.Text += c.FirstName + " " + c.LastName + "\n";
}
batch = await reader.ReadBatchAsync();
}
}
/// <summary>
/// Update displayed contacts.
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private async Task DisplayContactsFromReaderAsync(ContactReader reader)
{
Contacts.Clear();
ContactBatch contactBatch = await reader.ReadBatchAsync();
while (contactBatch.Contacts.Count != 0 &&
contactBatch.Status == ContactBatchStatus.Success)
{
foreach (Contact c in contactBatch.Contacts)
{
Contacts.Add(new ContactViewModel(c));
}
contactBatch = await reader.ReadBatchAsync();
}
}
public async Task <List <string> > getContacts()
{
List <string> listResults = new List <string>();
ContactStore store = null;
IReadOnlyList <ContactList> list = null;
ContactReader reader = null;
ContactBatch batch = null;
// *** This RequestStoreAsync() call is where the exception is thrown. All the cases below have the same issue. ***
//store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AllContactsReadWrite);
//store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AppContactsReadWrite);
store = await ContactManager.RequestStoreAsync();
list = await store.FindContactListsAsync();
foreach (ContactList contactList in list)
{
reader = contactList.GetContactReader();
batch = await reader.ReadBatchAsync();
foreach (Contact contact in batch.Contacts)
{
string fullname = contact.FullName; //+ ", " + contact.Name;// + ", " + contact.Emails.First().Address;
listResults.Add(fullname);
DisplayContact dc = new DisplayContact(contact);
vDisplayContact.Add(dc);
}
}
return(listResults);
}
async Task <ObservableCollection <Contact> > GetContactsAsync()
{
ContactStore store = await ContactManager.RequestStoreAsync(ContactStoreAccessType.AppContactsReadWrite);
//find contact list
ContactList contactlist = await store.CreateContactListAsync(Windows.ApplicationModel.Package.Current.DisplayName); //problem if it already exists
ContactReader contactreader = contactlist.GetContactReader();
ContactBatch contactbatch = await contactreader.ReadBatchAsync();
return(new ObservableCollection <Contact>(contactbatch.Contacts)); // store.FindContactsAsync()
}
/// <summary>
/// Displays the items from the contact store in the contacts view.
/// </summary>
/// <param name="reader">Contact store reader</param>
/// <param name="isGroup">
/// Boolean to decide if to show the list in a group or a flat list
/// Groups is shown by default and search
/// Flast list is shown during search
/// </param>
private async Task DisplayContactsFromReaderAsync(ContactReader reader, bool isGroup)
{
contactItems.Clear();
ContactBatch contactBatch = await reader.ReadBatchAsync();
if (contactBatch.Contacts.Count == 0)
{
Debug.WriteLine("Contact store empty");
ContactsStatusText = "We couldn't find any contacts.";
ShowContactListStatusText();
return;
}
while (contactBatch.Contacts.Count != 0)
{
//should batch add to avoid triggering callbacks
foreach (Contact c in contactBatch.Contacts)
{
ContactItem contactToAdd = new ContactItem(c.Id, c.DisplayName);
contactToAdd.SetImageAsync(c.Thumbnail);
contactItems.Add(contactToAdd);
}
contactBatch = await reader.ReadBatchAsync();
}
if (isGroup)
{
GroupsOfContacts = alphaGroupSorting(contactItems);
ShowContactGroup();
}
else
{
ListOfContacts = contactItems;
ShowContactList();
}
return;
}
private async Task DisplayContactsFromReaderAsync(ContactReader reader, bool isGroup)
{
contactItems.Clear();
ContactBatch contactBatch = await reader.ReadBatchAsync();
if (contactBatch.Contacts.Count == 0)
{
return;
}
while (contactBatch.Contacts.Count != 0)
{
foreach (Contact c in contactBatch.Contacts)
{
if (c.Phones.Count > 0 || c.Emails.Count > 0)
{
ContactItem contactToAdd = new ContactItem(c.Id, c.DisplayName);
contactToAdd.ContactEmails = c.Emails;
contactToAdd.ContactPhones = c.Phones;
contactToAdd.SetImageAsync(c.Thumbnail);
contactItems.Add(contactToAdd);
}
}
contactBatch = await reader.ReadBatchAsync();
}
if (isGroup)
{
groupsOfContacts = alphaGroupSorting(contactItems);
}
else
{
_contactsList = contactItems;
}
return;
}
private async Task <IReadOnlyList <Contact> > ListContactsAsync()
{
ContactStore store = await Store();
if (store != null)
{
ContactList list = await GetAsync();
if (list != null)
{
ContactReader reader = list.GetContactReader();
if (reader != null)
{
ContactBatch batch = await reader.ReadBatchAsync();
if (batch != null)
{
return(batch.Contacts);
}
}
}
}
return(null);
}
/// <summary>
/// Displays the items from the contact store in the contacts view.
/// </summary>
/// <param name="reader">Contact store reader</param>
/// <param name="isGroup">
/// Boolean to decide if to show the list in a group or a flat list
/// Groups is shown by default and search
/// Flast list is shown during search
/// </param>
private async Task DisplayContactsFromReaderAsync(ContactReader reader, bool isGroup)
{
contactItems.Clear();
ContactBatch contactBatch = await reader.ReadBatchAsync();
if (contactBatch.Contacts.Count == 0)
{
Debug.WriteLine("Contact store empty");
ContactsStatusText = "We couldn't find any contacts.";
ShowContactListStatusText();
return;
}
while (contactBatch.Contacts.Count != 0)
{
//should batch add to avoid triggering callbacks
foreach (Contact c in contactBatch.Contacts)
{
ContactItem contactToAdd = new ContactItem(c.Id, c.DisplayName);
contactToAdd.SetImageAsync(c.Thumbnail);
contactItems.Add(contactToAdd);
}
contactBatch = await reader.ReadBatchAsync();
}
if (isGroup)
{
GroupsOfContacts = alphaGroupSorting(contactItems);
ShowContactGroup();
}
else
{
ListOfContacts = contactItems;
ShowContactList();
}
return;
}