public async Task<List<string>> GetContacts()
{
List<string> contactList = null;
try
{
await Task.Run(async () =>
{
contactList = new List<string>();
var book = new AddressBook(MainActivity.GetMainActivity());
if (!await book.RequestPermission())
{
Toast.MakeText(MainActivity.GetMainActivity(), "Permission denied.", ToastLength.Short);
return;
}
//foreach (Xamarin.Contacts.Contact contact in book.OrderBy(c => c.LastName))
try
{
book.OrderBy(c => c.DisplayName);
}
catch (Exception ex)
{
var test = ex.Message;
}
foreach (Xamarin.Contacts.Contact contact in book)
{
if (contact.FirstName != null && contact.FirstName.Trim().Length > 0 && contact.Phones != null && contact.Phones.Count() > 0)
contactList.Add(contact.FirstName);
}
});
}
catch (Exception ex)
{
var test = ex.Message;
}
return contactList;
}
private void AddContactsData(String contactFilter)
{
// Figure out where the SQLite database will be.
bool showAll = contactFilter != "Securecom users";
var conn = new SQLite.SQLiteConnection(AppDelegate._dbPath);
List<PushContact> pc = conn.Query<PushContact>("select * from PushContact");
conn.Close();
List<String> registeredContacts = new List<String>();
List<String> groups = new List<String>();
foreach (PushContact c in pc)
registeredContacts.Add(c.Number);
var phoneUtil = PhoneNumberUtil.GetInstance();
if (!showAll) {
Dictionary<String, List<String>> map = new Dictionary<String, List<String>>();
foreach (PushContact c in pc) {
String n = c.Name ?? c.Number;
if (!map.ContainsKey(n))
map[n] = new List<String>();
map[n].Add(c.Number);
}
foreach (KeyValuePair<String, List<String>> entry in map.OrderBy(c => c.Key)) {
String group = entry.Key.Substring(0, 1).ToUpper();
bool newGroup = !groups.Contains(group);
foreach (CustomCellGroup ccg in cellGroups) {
if (ccg.Name.Equals(group)) {
newGroup = false;
tableCellGroup = ccg;
}
}
ContactListCell cell = ContactListCell.Create();
cell.SetName(entry.Key);
foreach (String number in entry.Value) {
if (number.Contains("@"))
cell.SetEmail(number);
else
cell.SetPhone(number);
}
if (newGroup) {
tableCellGroup = new CustomCellGroup { Name = group };
cellGroups.Add(tableCellGroup);
}
tableCellGroup.Cells.Add(cell);
}
return;
}
AddressBook book = new AddressBook();
book.RequestPermission().ContinueWith(t => {
if (!t.Result) {
Console.WriteLine("Permission denied by user or manifest");
return;
}
}, TaskScheduler.FromCurrentSynchronizationContext());
foreach (Contact contact in book.OrderBy(c => c.DisplayName)) {
if (!showAll && registeredContacts.Count == 0)
break;
if (String.IsNullOrEmpty(contact.DisplayName))
continue;
String group = contact.DisplayName.Substring(0, 1).ToUpper();
bool newGroup = !groups.Contains(group);
foreach (CustomCellGroup ccg in cellGroups) {
if (ccg.Name.Equals(group)) {
newGroup = false;
tableCellGroup = ccg;
}
}
ContactListCell cell = ContactListCell.Create();
cell.SetName(contact.DisplayName);
cell.SetEmail(null);
cell.SetPhone(null);
if (contact.Phones.Any()) {
foreach (Phone p in contact.Phones) {
if (showAll) {
cell.SetPhone(p.Number);
cell.registeredState = ContactListCell.STATE_PENDING;
break;
}
if (p.Number.Contains("*") || p.Number.Contains("#"))
continue;
String number;
try {
number = phoneUtil.Format(phoneUtil.Parse(p.Number, AppDelegate.GetCountryCode()), PhoneNumberFormat.E164);
} catch (Exception e) {
continue;
}
if (!registeredContacts.Contains(number))
continue;
registeredContacts.Remove(number);
cell.SetPhone(p.Number);
cell.registeredState = ContactListCell.STATE_REGISTERED;
//conn.Execute("UPDATE PushContact Set Name = ? WHERE Number = ?", contact.DisplayName, number);
break;
}
}
if (contact.Emails.Any()) {
foreach (Email e in contact.Emails) {
if (showAll) {
cell.SetEmail(e.Address);
cell.registeredState = ContactListCell.STATE_PENDING;
break;
}
if (!registeredContacts.Contains(e.Address))
continue;
registeredContacts.Remove(e.Address);
cell.SetEmail(e.Address);
cell.registeredState = ContactListCell.STATE_REGISTERED;
//conn.Execute("UPDATE PushContact Set Name = ? WHERE Number = ?", contact.DisplayName, e.Address);
break;
}
}
if (cell._email == null && cell.mobile == null)
continue;
if (newGroup) {
tableCellGroup = new CustomCellGroup { Name = group };
cellGroups.Add(tableCellGroup);
}
tableCellGroup.Cells.Add(cell);
}
//conn.Close();
}
private void ProcessSearchOnAllContacts(string searchText)
{
List<CustomCellGroup> mCellGroups = new List<CustomCellGroup>();
CustomCellGroup mTableCellGroup = new CustomCellGroup();
AddressBook book = new AddressBook();
foreach (Contact contact in book.OrderBy(c => c.DisplayName)) {
if (String.IsNullOrEmpty(contact.DisplayName))
continue;
bool found = false;
//Decide contact group based on the first character
String group = contact.DisplayName.Substring(0, 1).ToUpper();
if (contact.DisplayName.ToLower().Contains(searchText)) {
found = true;
} else if (contact.Phones.Any()) {
foreach (Phone p in contact.Phones) {
String temp = p.Number
.Replace("(", string.Empty)
.Replace(")", string.Empty)
.Replace("-", string.Empty)
.Replace(" ", string.Empty);
found |= temp.Contains(searchText);
}
} else if (contact.Emails.Any()) {
foreach (Email e in contact.Emails) {
found |= e.Address.ToLower().Contains(searchText);
}
}
if (!found)
continue;
ContactListCell cell = ContactListCell.Create();
cell.SetName(contact.DisplayName);
foreach (Phone p in contact.Phones) {
cell.SetPhone(p.Number);
break;
}
foreach (Email e in contact.Emails) {
cell.SetEmail(e.Address);
break;
}
mTableCellGroup.Cells.Add(cell);
}
mTableCellGroup.Name = mTableCellGroup.Cells.Count == 0 ? "No Results" : "Search Results";
mCellGroups.Add(mTableCellGroup);
source = new CustomCellTableSource(mCellGroups);
source.RowSelectedAction = RowSelected;
table.Source = source;
}