Android uses read_contacts to read phone contacts

Instance code:

Package Com.example.readcontacts;import Java.io.inputstream;import Java.util.arraylist;import Android.app.listactivity;import Android.content.contentresolver;import Android.content.contenturis;import Android.content.context;import Android.content.intent;import Android.database.cursor;import Android.graphics.bitmap;import Android.graphics.bitmapfactory;import Android.net.uri;import Android.os.Bundle; Import Android.provider.contactscontract;import Android.provider.contactscontract.commondatakinds.phone;import Android.provider.contactscontract.commondatakinds.photo;import Android.text.textutils;import Android.view.layoutinflater;import Android.view.view;import Android.view.viewgroup;import Android.widget.adapterview;import Android.widget.baseadapter;import Android.widget.imageview;import Android.widget.listview;import Android.widget.textview;import Android.widget.AdapterView.OnItemClickListener; public class Mainactivity extends Listactivity {Context mcontext = null;/** Get library phon table field **/privaTe static final string[] phones_projection = new string[] {phone.display_name, phone.number, photo.photo_id, Phone.CONTAC t_id};/** Contact display name **/private static final int phones_display_name_index = 0;/** phone number **/private static final int phones_n Umber_index = 1;/** Avatar ID **/private static final int phones_photo_id_index = 2;/** Contact's ID **/private static final int Phon Es_contact_id_index = 3;/** Contact name **/private arraylist<string> mcontactsname = new arraylist<string> ();/** Contact head like **/private arraylist<string> mcontactsnumber = new arraylist<string> ();/** contact human head like **/private ArrayList <Bitmap> Mcontactsphonto = new arraylist<bitmap> (); ListView Mlistview = null; Mylistadapter myadapter = null; @Overridepublic void OnCreate (Bundle savedinstancestate) {Mcontext = This;mlistview = This . Getlistview ();/** get phone contacts contact information **/getphonecontacts (); myadapter = new Mylistadapter (this); Setlistadapter (Myadapter) ; Mlistview.setonitemclicklistener (New Onitemclicklistener () {@OverridepuBlic void Onitemclick (adapterview<?> adapterview, View view,int position, long ID) {//Call system method to call Intent Dialintent = New Intent (Intent.action_call, Uri.parse ("Tel:" + mcontactsnumber.get (position))); StartActivity (dialintent);}); Super.oncreate (savedinstancestate);} /** Get phone contacts contact information **/private void getphonecontacts () {Contentresolver resolver = mcontext.getcontentresolver ();// Get phone contact Cursor phonecursor = resolver.query (phone.content_uri,phones_projection, NULL, NULL, NULL); if (phonecursor! = NULL) {while (Phonecursor.movetonext ()) {//Get phone number string phonenumber = Phonecursor.getstring (Phones_number_index);// When the mobile number is empty or an empty field skips the current loop if (Textutils.isempty (phonenumber)) continue;//Gets the contact name string ContactName = Phonecursor.getstring (Phones_display_name_index);//Get contact Idlong ContactID = Phonecursor.getlong (phones_contact_id_ INDEX);//Get contact head like Idlong photoid = Phonecursor.getlong (Phones_photo_id_index);//Get contact with head like Bitampbitmap Contactphoto = null;//PhotoID greater than 0 indicates that the contact has an avatar assuming that the person does not have an avatar set to give him a default if (photoID > 0) {uri uri = Contenturis.withappendedid (ContactsContract.Contacts.CONTENT_URI, ContactID); InputStream input = ContactsContract.Contacts.openContactPhotoInputStream (resolver, uri); Contactphoto = Bitmapfactory.decodestream ( input);} else {Contactphoto = Bitmapfactory.decoderesource (Getresources (), R.drawable.contact_photo);} Mcontactsname.add (ContactName); Mcontactsnumber.add (PhoneNumber); Mcontactsphonto.add (Contactphoto);} Phonecursor.close ();}} /** get phone SIM card contact everyone information **/private void getsimcontacts () {Contentresolver resolver = mcontext.getcontentresolver ();// Get Sims card Contact URI uri = uri.parse ("Content://icc/adn"); Cursor phonecursor = Resolver.query (URI, phones_projection, NULL, Null,null), if (phonecursor! = null) {while (phonecursor . MoveToNext ()) {//Get mobile number string phonenumber = Phonecursor.getstring (Phones_number_index);//When the mobile number is empty or the empty field skips the current loop if ( Textutils.isempty (PhoneNumber)) continue;//get contact name string contactName = Phonecursor.getstring (phones_display_name_ INDEX);//SIM card not connected to the head like McontactsnaMe.add (ContactName); Mcontactsnumber.add (PhoneNumber);} Phonecursor.close ();}} Class Mylistadapter extends Baseadapter {public Mylistadapter (context context) {Mcontext = context;} public int GetCount () {//Set drawing quantity return Mcontactsname.size ();} @Overridepublic Boolean areallitemsenabled () {return false;} Public Object getItem (int position) {return position;} public long getitemid (int position) {return position;} Public View GetView (int position, View Convertview, ViewGroup parent) {ImageView image = null; TextView title = null; TextView Text = null;if (Convertview = = NULL | | Position < mcontactsnumber.size ()) {Convertview = Layoutinflater.from (M Context). Inflate (r.layout.colorlist, null); image = (ImageView) Convertview.findviewbyid (r.id.color_image); title = ( TextView) Convertview.findviewbyid (r.id.color_title); text = (TextView) Convertview.findviewbyid (r.id.color_text);} Draw Contact Name Title.settext (mcontactsname.get (position));//Draw Contact Number Text.settext (Mcontactsnumber.get (position));// Draw Contact head like Image.setimAgebitmap (Mcontactsphonto.get (position)); return Convertview;}}} 

Note: User rights

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

Android uses read_contacts to read phone contacts