public IEnumerator <Contact> GetEnumerator()
{
Android.Net.Uri table = (this.rawContacts)
? ContactsContract.RawContacts.ContentUri
: ContactsContract.Contacts.ContentUri;
string query = null;
string[] parameters = null;
string sortString = null;
string[] projections = null;
if (this.translator != null)
{
table = this.translator.Table;
query = this.translator.QueryString;
parameters = this.translator.ClauseParameters;
sortString = this.translator.SortString;
if (this.translator.Projections != null)
{
projections = this.translator.Projections
.Where(p => p.Columns != null)
.SelectMany(t => t.Columns)
.ToArray();
if (projections.Length == 0)
{
projections = null;
}
}
if (this.translator.Skip > 0 || this.translator.Take > 0)
{
StringBuilder limitb = new StringBuilder();
if (sortString == null)
{
limitb.Append(ContactsContract.ContactsColumns.LookupKey);
}
limitb.Append(" LIMIT ");
if (this.translator.Skip > 0)
{
limitb.Append(this.translator.Skip);
if (this.translator.Take > 0)
{
limitb.Append(",");
}
}
if (this.translator.Take > 0)
{
limitb.Append(this.translator.Take);
}
sortString = (sortString == null) ? limitb.ToString() : sortString + limitb;
}
}
ICursor cursor = null;
try
{
cursor = this.content.Query(table, projections, query, parameters, sortString);
if (cursor == null)
{
yield break;
}
foreach (Contact contact in ContactHelper.GetContacts(cursor, this.rawContacts, this.content, this.resources, BatchSize))
{
yield return(contact);
}
}
finally
{
if (cursor != null)
{
cursor.Close();
}
}
}
public IEnumerator <Contact> GetEnumerator()
{
return(ContactHelper.GetContacts(!PreferContactAggregation, this.content, this.resources).GetEnumerator());
}
