Android Get mobile Contact information _android

Android how to get mobile phone contact information, this article for everyone to announce.

Get Mobile Contact Information step:

1. Get Contentresolver

Contentresolver resolver = Getcontentresolver ();

2, resolver.query (*) query information

Inquire about the URI:ContactsContract.RawContacts.CONTENT_URI of mobile phone contact person
Search for mobile phone contact URI:ContactsContract.CommonDataKinds.Phone.CONTENT_URI
Query the URI:ContactsContract.CommonDataKinds.Email.CONTENT_URI of a contact's mailbox

3, according to the contact name _id inquires the corresponding mobile phone number and the mailbox

Find raw_contact_id and contact _id entries in cell phone number and mailbox query

The main code is as follows:

Mainactivity.java

Package com.noonecode.contentresolvercontacts;
Import java.util.ArrayList;
Import Java.util.HashMap;
Import java.util.List;

Import Java.util.Map;
Import android.app.Activity;
Import Android.content.ContentResolver;
Import Android.database.Cursor;
Import Android.os.Bundle;
Import Android.provider.ContactsContract.CommonDataKinds.Email;
Import Android.provider.ContactsContract.CommonDataKinds.Phone;
Import android.provider.ContactsContract.RawContacts;
Import Android.widget.ListView;

Import Android.widget.SimpleAdapter;
 public class Mainactivity extends activity {private ListView mlvshow;
 Private list<map<string, string>> dataList;

 Private Simpleadapter adapter;
 @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);
 Setcontentview (R.layout.activity_main);
 Mlvshow = (ListView) Findviewbyid (r.id.lv_show);
 DataList = Getdatalist (); adapter = new Simpleadapter (this, dataList, r.layout.simple_contacts_item//, new StriNg[] {"Name", "number", "email"}//, new int[] {r.id.tv_name, r.id.tv_number, r.id.tv_email});
 Mlvshow.setadapter (adapter); /** * Load Data * * @return/private list<map<string, string>> getdatalist () {list<map<string,
 string>> list = new arraylist<map<string, string>> ();
 Contentresolver resolver = Getcontentresolver (); Cursor Cursor = Resolver.query (Rawcontacts.content_uri, new string[] {rawcontacts._id, rawcontacts.display_name_
 PRIMARY}//, NULL, NULL, NULL);
  while (Cursor.movetonext ()) {map<string, string> Map = new hashmap<string, string> (); String id = cursor.getstring (cursor.getcolumnindex (rawcontacts._id));/"_id" string name = Cursor.getstring (

  Cursor.getcolumnindex (rawcontacts.display_name_primary));//"Display_name" Map.put ("name", name); Contact number Cursor Phonecursor = Resolver.query (phone.content_uri//, new string[] {phone.number}//"data1", "raw_ Contact_id=? ", new string[] {ID}, NULL);
  if (Phonecursor.movetonext ()) {String number = phonecursor.getstring (Phonecursor.getcolumnindex (Phone.number));
  Map.put ("number", number); }//Contact mailbox Cursor emailcursor = Resolver.query (email.content_uri//, new string[] {email.address}//"data1",
  "Raw_contact_id=", new string[] {ID}, NULL);
  if (Emailcursor.movetonext ()) {String email = emailcursor.getstring (Emailcursor.getcolumnindex (email.address));
  Map.put ("email", email);
 } list.add (map);
 } return list;
 }
}

Master Layout Activity_main.xml

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android"
 xmlns:tools= "http:// Schemas.android.com/tools "
 android:layout_width=" match_parent "
 android:layout_height=" Match_parent "
 tools:context= "com.noonecode.contentresolvercontacts.MainActivity" >

 <listview
 android:id= "@ +id/lv_show "
 android:layout_width=" match_parent "
 android:layout_height=" match_parent "/>

</ Relativelayout>

Simple_contacts_item.xml

<?xml version= "1.0" encoding= "Utf-8"?> <relativelayout xmlns:android=
"http://schemas.android.com/apk" /res/android "
 android:layout_width=" match_parent "
 android:layout_height=" Match_parent "
 android: padding= "10DP" >

 <textview
 android:id= "@+id/tv_name"
 android:layout_width= "Wrap_content"
 android:layout_height= "Wrap_content"
 android:text= "name"
 android:textsize= "22sp"/>

 < TextView
 android:id= "@+id/tv_number"
 android:layout_width= "wrap_content"
 android:layout_height= "Wrap_content"
 android:layout_below= "@id/tv_name"
 android:text= "number"/>

 <textview
 Android:id= "@+id/tv_email"
 android:layout_width= "wrap_content"
 android:layout_height= "Wrap_content"
 android:layout_below= "@id/tv_name"
 android:layout_marginleft= "10DP"
 android:layout_torightof= " @id/tv_number "
 android:text=" email "/>

</RelativeLayout>

To read a contact's permissions:

<uses-permission android:name= "Android.permission.READ_CONTACTS"/>

Final Effect Diagram:

Attention:

Check to see if the permission to read the contact is given to the application;
This example reads the contact information in the main thread, which is inefficient, and if it is efficient, find other ways to do it.

SOURCE Download Address: Http://xiazai.jb51.net/201610/yuanma/AndroidContactsDemo (jb51.net). rar

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