Android read contacts

Set read permission

<Uses-permission android: name = "android. permission. READ_CONTACTS"/>
<Uses-permission android: name = "android. permission. WRITE_CONTACTS"/>

 

Main Code

Public void readContacts (){

Cursor cursor = this. getContentResolver (). query (
ContactsContract. Contacts. CONTENT_URI, null );

Int contactIdIndex = 0;

Int nameIndex = 0;

If (cursor. getCount ()> 0 ){

ContactIdIndex = cursor
. GetColumnIndex (ContactsContract. Contacts. _ ID );

NameIndex = cursor
. GetColumnIndex (ContactsContract. Contacts. DISPLAY_NAME );

}

While (cursor. moveToNext ()){

String contactId = cursor. getString (contactIdIndex );

String name = cursor. getString (nameIndex );

Toast. makeText (this, name, 1000). show ();

Cursor phones = this. getContentResolver (). query (
ContactsContract. CommonDataKinds. Phone. CONTENT_URI, null,
ContactsContract. CommonDataKinds. Phone. CONTACT_ID + "=? ",
New String [] {contactId}, null );

If (phones. moveToNext ()){

Int phoneIndex = phones. getColumnIndex (ContactsContract. CommonDataKinds. Phone. NUMBER );

String phoneNumber = phones. getString (phoneIndex );

Toast. makeText (this, phoneNumber, 1000). show ();
}

Phones. close ();


Cursor email = this. getContentResolver (). query (ContactsContract. CommonDataKinds. Email. CONTENT_URI, null, ContactsContract. CommonDataKinds. Email. CONTACT_ID + "=? ",
New String [] {contactId}, null );

If (email. moveToNext ()){

Int emailIndex = email. getColumnIndex (ContactsContract. CommonDataKinds. Email. DATA );

String emailAddress = email. getString (emailIndex );

Toast. makeText (this, emailAddress, 1000). show ();
}

Email. close ();

}

}