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MartinZikmundMartinZikmund
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feat(ContactPicker): Pick single contact on Android
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3 files changed

+310
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‎src/SamplesApp/SamplesApp.Droid/Properties/AssemblyInfo.cs

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[assembly: UsesPermission("android.permission.ACTIVITY_RECOGNITION")]
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[assembly: UsesPermission("android.permission.ACCESS_NETWORK_STATE")]
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[assembly: UsesPermission("android.permission.SET_WALLPAPER")]
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[assembly: UsesPermission("android.permission.READ_CONTACTS")]

‎src/Uno.UWP/ApplicationModel/Contacts/ContactPicker.Android.cs

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#nullable enable
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Android.App;
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using Android.Content;
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using Android.Database;
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using Android.Provider;
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using Uno.Extensions;
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using Uno.Helpers.Activities;
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using Uno.UI;
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using Windows.Extensions;
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namespace Windows.ApplicationModel.Contacts
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{
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public partial class ContactPicker
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{
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private static Task<bool> IsSupportedTaskAsync() => Task.FromResult(true);
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private async Task<Contact?> PickContactTaskAsync()
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{
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if (!await PermissionsHelper.CheckReadContactsPermission(default))
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{
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if (!await PermissionsHelper.TryGetReadContactsPermission(default))
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{
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throw new InvalidOperationException("android.permission.READ_CONTACTS permission is required");
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}
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}
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if (ContextHelper.Current == null)
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{
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throw new InvalidOperationException("Context is not initialized yet, API called too early in application lifecycle.");
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}
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using var intent = new Intent(Intent.ActionPick);
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intent.SetType(ContactsContract.CommonDataKinds.Phone.ContentType);
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var activity = await AwaitableResultActivity.StartAsync();
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var result = await activity.StartActivityForResultAsync(intent);
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if (result?.Intent?.Data is Android.Net.Uri contactUri)
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{
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using var contentResolver = Application.Context.ContentResolver;
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if (contentResolver != null)
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{
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var projection = new string[] { ContactsContract.ContactsColumns.LookupKey };
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using ICursor? cursorLookUpKey = contentResolver.Query(contactUri, projection, null, null, null);
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if (cursorLookUpKey?.MoveToFirst() == true)
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{
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var lookupKey = cursorLookUpKey.GetString(cursorLookUpKey.GetColumnIndex(projection[0]));
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if (lookupKey != null)
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{
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return LookupToContact(lookupKey, contentResolver);
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}
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}
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}
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}
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return null;
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}
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private static Contact LookupToContact(string lookupKey, ContentResolver contentResolver)
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{
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var contact = new Contact();
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ReadStructuredName(contact, lookupKey, contentResolver);
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//var displayName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.Contacts.InterfaceConsts.DisplayName));
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//if (contact.DisplayName != displayName)
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//{
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// contact.DisplayNameOverride = displayName ?? string.Empty;
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//}
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//contact.Notes = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Note.ContentItemType)) ?? string.Empty;
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//contact.Phones.AddRange(GetPhones(idQuery, contentResolver));
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//contact.Emails.AddRange(GetEmails(idQuery, contentResolver));
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//contact.Addresses.AddRange(GetAddresses(idQuery, contentResolver));
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return contact;
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}
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private static void ReadStructuredName(Contact contact, string lookupKey, ContentResolver contentResolver)
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{
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var contactWhere = ContactsContract.ContactsColumns.LookupKey + " = ?";
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var contactWhereParams = new[] { lookupKey };
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if (ContactsContract.Data.ContentUri != null)
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{
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using var cursor = contentResolver.Query(
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ContactsContract.Data.ContentUri,
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null,
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contactWhere,
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contactWhereParams,
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null
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);
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if (cursor?.MoveToFirst() == true)
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{
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contact.HonorificNamePrefix = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.Prefix)) ?? string.Empty;
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contact.FirstName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.GivenName)) ?? string.Empty;
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contact.MiddleName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.MiddleName)) ?? string.Empty;
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contact.LastName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.FamilyName)) ?? string.Empty;
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contact.HonorificNameSuffix = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.Suffix)) ?? string.Empty;
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contact.YomiGivenName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.PhoneticGivenName)) ?? string.Empty;
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contact.YomiFamilyName = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredName.PhoneticFamilyName)) ?? string.Empty;
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}
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}
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}
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private static IEnumerable<ContactPhone> GetPhones(string[] idQuery, ContentResolver contentResolver)
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{
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var contactPhones = new List<ContactPhone>();
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var uri = ContactsContract.CommonDataKinds.Phone.ContentUri?.BuildUpon()?.AppendQueryParameter(ContactsContract.RemoveDuplicateEntries, "1")?.Build();
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if (uri != null)
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{
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using ICursor? cursor = contentResolver.Query(
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uri,
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null,
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ContactsContract.Contacts.InterfaceConsts.Id + "=?",
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idQuery,
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null);
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if (cursor != null)
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{
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if (cursor.MoveToFirst())
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{
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do
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{
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var number = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Phone.Number));
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var phoneType = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Phone.InterfaceConsts.Type));
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var kind = TypeToContactPhoneKind(phoneType);
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contactPhones.Add(new ContactPhone()
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{
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Kind = kind,
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Number = number ?? string.Empty
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});
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}
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while (cursor.MoveToNext());
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}
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cursor.Close();
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}
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}
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return contactPhones;
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}
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private static IEnumerable<ContactEmail> GetEmails(string[] idQuery, ContentResolver contentResolver)
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{
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var contactEmails = new List<ContactEmail>();
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var uri = ContactsContract.CommonDataKinds.Email.ContentUri?.BuildUpon()?.AppendQueryParameter(ContactsContract.RemoveDuplicateEntries, "1")?.Build();
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if (uri != null)
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{
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using ICursor? cursor = contentResolver.Query(
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uri,
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null,
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ContactsContract.Contacts.InterfaceConsts.Id + "=?",
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idQuery,
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null);
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if (cursor != null)
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{
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if (cursor.MoveToFirst())
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{
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do
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{
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var address = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Email.Address));
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var emailType = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.Email.InterfaceConsts.Type));
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var kind = TypeToContactEmailKind(emailType);
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contactEmails.Add(new ContactEmail()
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{
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Kind = kind,
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Address = address ?? string.Empty
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});
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}
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while (cursor.MoveToNext());
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}
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cursor.Close();
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}
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}
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return contactEmails;
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}
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private static IEnumerable<ContactAddress> GetAddresses(string[] idQuery, ContentResolver contentResolver)
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{
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var contactAddresss = new List<ContactAddress>();
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var uri = ContactsContract.CommonDataKinds.StructuredPostal.ContentUri?.BuildUpon()?.AppendQueryParameter(ContactsContract.RemoveDuplicateEntries, "1")?.Build();
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if (uri != null)
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{
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using ICursor? cursor = contentResolver.Query(
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uri,
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null,
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ContactsContract.Contacts.InterfaceConsts.Id + "=?",
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idQuery,
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null);
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if (cursor != null)
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{
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if (cursor.MoveToFirst())
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{
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do
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{
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var city = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.City));
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var country = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.Country));
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var postalCode = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.Postcode));
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var region = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.Region));
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var street = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.Street));
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var addressType = cursor.GetString(cursor.GetColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.InterfaceConsts.Type));
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var kind = TypeToContactAddressKind(addressType);
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contactAddresss.Add(new ContactAddress()
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{
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Kind = kind,
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Country = country ?? string.Empty,
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Locality = city ?? string.Empty,
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PostalCode = postalCode ?? string.Empty,
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Region = region ?? string.Empty,
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StreetAddress = street ?? string.Empty
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});
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}
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while (cursor.MoveToNext());
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}
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cursor.Close();
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}
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}
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return contactAddresss;
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}
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private static ContactPhoneKind TypeToContactPhoneKind(string? type)
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{
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if (int.TryParse(type, out var typeInt))
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{
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if (Enum.IsDefined(typeof(PhoneDataKind), typeInt))
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{
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var PhoneType = (PhoneDataKind)typeInt;
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return PhoneType switch
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{
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PhoneDataKind.Assistant => ContactPhoneKind.Assistant,
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PhoneDataKind.CompanyMain => ContactPhoneKind.Company,
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PhoneDataKind.Main => ContactPhoneKind.Mobile,
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PhoneDataKind.Mobile => ContactPhoneKind.Mobile,
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PhoneDataKind.Home => ContactPhoneKind.Home,
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PhoneDataKind.FaxHome => ContactPhoneKind.HomeFax,
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PhoneDataKind.Pager => ContactPhoneKind.Pager,
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PhoneDataKind.Radio => ContactPhoneKind.Radio,
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PhoneDataKind.Work => ContactPhoneKind.Work,
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PhoneDataKind.WorkMobile => ContactPhoneKind.Work,
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PhoneDataKind.WorkPager => ContactPhoneKind.Work,
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PhoneDataKind.FaxWork => ContactPhoneKind.BusinessFax,
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_ => ContactPhoneKind.Other
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};
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}
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}
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return ContactPhoneKind.Other;
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}
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private static ContactEmailKind TypeToContactEmailKind(string? type)
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{
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if (int.TryParse(type, out var typeInt))
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{
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if (Enum.IsDefined(typeof(EmailDataKind), typeInt))
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{
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var EmailType = (EmailDataKind)typeInt;
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return EmailType switch
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{
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EmailDataKind.Home => ContactEmailKind.Personal,
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EmailDataKind.Mobile => ContactEmailKind.Personal,
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EmailDataKind.Work => ContactEmailKind.Work,
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_ => ContactEmailKind.Other
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};
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}
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}
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return ContactEmailKind.Other;
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}
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private static ContactAddressKind TypeToContactAddressKind(string? type)
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{
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if (int.TryParse(type, out var typeInt))
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{
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if (Enum.IsDefined(typeof(AddressDataKind), typeInt))
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{
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var addressType = (AddressDataKind)typeInt;
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return addressType switch
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{
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AddressDataKind.Home => ContactAddressKind.Home,
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AddressDataKind.Work => ContactAddressKind.Work,
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_ => ContactAddressKind.Other
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};
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}
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}
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return ContactAddressKind.Other;
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}
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}
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}

‎src/Uno.UWP/Generated/3.0.0.0/Windows.ApplicationModel.Contacts/ContactPicker.cs

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#pragma warning disable 114 // new keyword hiding
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namespace Windows.ApplicationModel.Contacts
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{
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#if __ANDROID__ || false || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
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#if false
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[global::Uno.NotImplemented]
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#endif
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public partial class ContactPicker
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}
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}
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#endif
68-
#if __ANDROID__ || false || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
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#if false
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[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
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public ContactPicker()
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{
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}
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#endif
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// Forced skipping of method Windows.ApplicationModel.Contacts.ContactPicker.DesiredFieldsWithContactFieldType.get
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#if __ANDROID__ || false || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
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#if false
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[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
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public global::Windows.Foundation.IAsyncOperation<global::Windows.ApplicationModel.Contacts.Contact> PickContactAsync()
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{

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