Read contacts and Add contacts

Bean class Contact:

1 Importjava.util.ArrayList;2 Importjava.util.List;3 4  Public classContact {5     PrivateString name;6     PrivateString Email;7     PrivateString address;8     Privatelist<string> phone =NewArraylist<string>();9 Ten      PublicContact () { One         Super(); A         //TODO auto-generated Constructor stub -     } -  the      PublicContact (string name, string email, address string, list<string>phone) { -         Super(); -          This. Name =name; -          This. email =email; +          This. Address =address; -          This. Phone =phone; +     } A  at      PublicString GetName () { -         returnname; -     } -  -      Public voidsetName (String name) { -          This. Name =name; in     } -  to      PublicString Getemail () { +         returnemail; -     } the  *      Public voidsetemail (String email) { $          This. email =email;Panax Notoginseng     } -  the      PublicString getaddress () { +         returnaddress; A     } the  +      Public voidsetaddress (String address) { -          This. Address =address; $     } $  -      PublicList<string>Getphone () { -         returnphone; the     } - Wuyi      Public voidSetphone (list<string>phone) { the          This. Phone =phone; -     } Wu}

Contact

To read a contact:

1 Importjava.util.ArrayList;2 Importjava.util.List;3 4 Importandroid.app.Activity;5 ImportAndroid.content.ContentResolver;6 ImportAndroid.database.Cursor;7 ImportAndroid.net.Uri;8 ImportAndroid.os.Bundle;9 ImportAndroid.util.Log;Ten  Public classMainactivityextendsActivity { One     Private Static FinalString TAG = "Mainactivity"; A @Override -     protected voidonCreate (Bundle savedinstancestate) { -         Super. OnCreate (savedinstancestate); the Setcontentview (r.layout.activity_main); - readcontact (); -     } -  +      PublicList<contact>readcontact () { -List<contact>list; +Contentresolver resolver =getcontentresolver (); AUri Raw_contacturi = Uri.parse ("Content://com.android.contacts/raw_contacts"); atcursor cursor = resolver.query (Raw_contacturi,NewString[] {"contact_id" },  -                 NULL,NULL,NULL); -         if(Cursor! =NULL&& cursor.getcount () > 0) { -list=NewArraylist<contact>(); -              while(Cursor.movetonext ()) { -Integer contact_id = cursor.getint (0); inUri Datauri = Uri.parse ("Content://com.android.contacts/data"); -String selection = "raw_contact_id=?"; tostring[] Selectionargs =Newstring[] {string.valueof (contact_id)}; +Cursor cursor_data = Resolver.query (Datauri,NewString[] {"MimeType",  -"Data1"}, Selection, theSelectionargs,NULL); *                 if(Cursor_data! =NULL&& cursor_data.getcount () > 0) { $Contact Contact =NewContact ();Panax Notoginseng                      while(Cursor_data.movetonext ()) { -String mimetype = cursor_data.getstring (0); theString data1 = cursor_data.getstring (1); +                         if("Vnd.android.cursor.item/name". Equals (MimeType)) { A Contact.setname (data1); the}Else if("Vnd.android.cursor.item/postal-address_v2". Equals (MimeType)) { + contact.setaddress (data1); -}Else if("Vnd.android.cursor.item/email_v2". Equals (MimeType)) { $ Contact.setemail (data1); $}Else if("Vnd.android.cursor.item/phone_v2". Equals (MimeType)) { - Contact.getphone (). Add (data1); -                         } the List.add (contact); -LOG.I (TAG, "mimetype=" + mimetype + "\tdata1=" +data1);Wuyi                     } the cursor_data.close (); -                 } Wu             } - cursor.close (); AboutLOG.I (TAG, "----------"); $             returnlist; -         } -         return NULL; -     } A  +}

readcontact

To add a contact:

 Public voidwritecontact () {//1. Access to the content provider's tool classContentresolver resolver =Getcontentresolver (); //2. Get to the contact_id of the last contact in the contact database, and then add 1 is the contact_id of the exercises you are adding nowUri Raw_contact_uri = Uri.parse ("Content://com.android.contacts/raw_contacts"); Cursor Cursor= Resolver.query (Raw_contact_uri,Newstring[]{"contact_id"},NULL,                 NULL, "contact_id desc LIMIT 1"); Integer max_contact_id= 0; if(NULL! = Cursor &&Cursor.movetofirst ()) {max_contact_id= Cursor.getint (0); } max_contact_id= max_contact_id + 1; //3. Add contact_id to the Raw_contact tableContentvalues values =Newcontentvalues (); Values.put ("CONTACT_ID", max_contact_id); Raw_contact_uri=Resolver.insert (Raw_contact_uri, values); LOG.I (TAG,"Raw_contact_uri=" +Raw_contact_uri); //4. Add data (name, Email,address,phone and other information)//Note: One message is the same record, so multiple insert operations are performed when adding multiple information for a contactUri Data_uri = Uri.parse ("Content://com.android.contacts/data"); Values.clear (); //be sure to empty before reusing or it will affect the following insert OperationValues.put ("raw_contact_id", max_contact_id); Values.put ("MimeType", "Vnd.android.cursor.item/name"); Values.put ("Data1", "1505");                Resolver.insert (Data_uri, values); Values.clear (); //be sure to empty before reusing or it will affect the following insert OperationValues.put ("raw_contact_id", max_contact_id); Values.put ("MimeType", "VND.ANDROID.CURSOR.ITEM/EMAIL_V2"); Values.put ("Data1", "[Email protected],com");                Resolver.insert (Data_uri, values); Values.clear (); //be sure to empty before reusing or it will affect the following insert OperationValues.put ("raw_contact_id", max_contact_id); Values.put ("MimeType", "VND.ANDROID.CURSOR.ITEM/PHONE_V2"); Values.put ("Data1", "16824524");                Resolver.insert (Data_uri, values); Values.clear (); //be sure to empty before reusing or it will affect the following insert OperationValues.put ("raw_contact_id", max_contact_id); Values.put ("MimeType", "VND.ANDROID.CURSOR.ITEM/POSTAL-ADDRESS_V2"); Values.put ("Data1", "Xi ' an Road");    Resolver.insert (Data_uri, values); }

writecontact

Read contacts and Add contacts