How to query contact information in Android
In this article, the editor introduces in detail "how to query contact information in Android". The content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to query contact information in Android" can help you solve your doubts.
The main function of Android to query contact information is to query the name, telephone number and e-mail address of the contact.
String columns [] = new String [] {People._ID, People.NAME
People.NUMBER, People.PRIMARY_EMAIL_ID
People.PRIMARY_ORGANIZATION_ID, People.
PRIMARY_PHONE_ID, People.DISPLAY_NAME
People.IM_ACCOUNT, People.IM_HANDLE, People.PHONETIC_NAME, People.TYPE}
Uri mContacts = People.CONTENT_URI
Cursor cur = managedQuery (mContacts, columns, / / data field to be returned
Null, / / WHERE clause
Parameters of the null, / / WHERE clause
People.NAME / / Order-by clause
);
If (cur.moveToFirst ()) {
Cursor newcur = null
Do {
/ / get the value of the field
String name = cur.getString (cur.getColumnIndex (People.NAME))
String phoneNo = cur.getString (cur.getColumnIndex (People.NUMBER))
String peopleId = cur.getString (cur.getColumnIndex (People._ID))
String [] PROJECTION = new String [] {Contacts.ContactMethods._ID
Contacts.ContactMethods.KIND, Contacts.ContactMethods.DATA}
Newcur = managedQuery (Contacts.ContactMethods.CONTENT_URI
PROJECTION, Contacts.ContactMethods.PERSON_ID + "=\"
+ cur.getLong (cur.getColumnIndex (People._ID)) + "\", null, null)
StartManagingCursor (newcur)
String email = ""
If (newcur.moveToFirst ()) {
Email = newcur.getString (newcur.getColumnIndex
(Contacts.ContactMethods.DATA))
}
Log.info ("name =" + name + "
PhoneNo = "+ phoneNo +" email = "+ email)
If (email! = null & &! ".equals (email) & &
Email.trim () .length ()! = 0) {
/ / contact mail can be obtained here
}
} while (cur.moveToNext ())
If (newcur! = null) {
Newcur.close (); / / close it when you run out of it.
}
}
If (cur! = null)
Cur.close (); / / close it when you run out of it.
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