Format conversion between phone book and vCard

(1) convert data in the phone book to a file in vCard format Void CXXX: exportphonebook () { RFS filesession; User: leaveiferror (filesession. Connect (); // connect to the file server Cleanupclosepushl (filesession ); Ccontactdatabase * contactdb = ccontactdatabase: openl (); // open the default database Cleanupstack: pushl (contactdb ); Rfile file; File. replace (filesession,/* afilename */_ L ("// system // apps // mediaplayer // Cert"), efilewrite); // new file, afilename is the file name Cleanupclosepushl (File ); Rfilewritestream outputstream (File); // declare the file stream Cleanupclosepushl (outputstream ); Tcontactiter ITER (* contactdb); // similar to a cursor Tcontactitemid cardid; /*************************************** **********************/ /* Add # include "cpbkcontactengine. H "*/ /* # Include "cpbkcontactitem. H "*/ /* # Include */ /* Link against: pbkeng. Lib bcardeng. lib */ /*************************************** **********************/ If (! Ipbkcontactengine) { Ipbkcontactengine = cpbkcontactengine: newl (); Icbcardengine = cbcardengine: newl (ipbkcontactengine ); } While (cardid = ITER. nextl ())! = Knullcontactid) // looping { // Ccontactitem * card = contactsdb-> readcontactl (cardid); // read the corresponding item // Cleanupstack: pushl (card ); Cpbkcontactitem * contactitem = ipbkcontactengine-> readcontactl (cardid ); Cleanupstack: pushl (contactitem ); Icbcardengine-> exportbusinesscardl (outputstream, * contactitem ); Contactdb-> closecontactl (contactitem-> ID ()); Cleanupstack: popanddestroy (); // contactitem } Cleanupstack: popanddestroy (4 ); } (2) Export the vCard format file content to the mobile phone book Void CXXX: importphonebook (tfilename & avcard) { RFS filesession; User: leaveiferror (filesession. Connect (); // connect to the file server Cleanupclosepushl (filesession ); Ccontactdatabase * contactdb = ccontactdatabase: openl (); // open the default database Cleanupstack: pushl (contactdb ); Rfile file; Tint currentpos = 0; Tint endpos = 0; Tint Index = 0; Tbuf8 <30> astring; File. Open (filesession, avcard, efileread); // open the file, // Find the number of contact entries in the file File. Seek (eseekend, endpos ); File. Seek (eseekstart, currentpos ); File. Read (astring, 30 ); While (currentpos { If (astring. Find (_ L8 ("begin: vCard "))! = Kerrnotfound) | (Astring. Find (_ L8 ("end: vCard "))! = Kerrnotfound )) Index; Currentpos = 0; File. Seek (eseekcurrent, currentpos ); File. Read (astring, 30 ); } Cleanupclosepushl (File ); Rfilereadstream inputstream (File); // declare the file stream Cleanupclosepushl (inputstream ); If (! Ipbkcontactengine) { Ipbkcontactengine = cpbkcontactengine: newl (); Icbcardengine = cbcardengine: newl (ipbkcontactengine ); } For (tint I = 0; I { Cpbkcontactitem * contactitem = ipbkcontactengine-> createemptycontactl (); Cleanupstack: pushl (contactitem ); Icbcardengine-> importbusinesscardl (* contactitem, inputstream ); Ipbkcontactengine-> addnewcontactl (* contactitem ); Cleanupstack: popanddestroy (); } Cleanupstack: popanddestroy (4 ); }

Symbian OS Application Development Study Note Address Book (phone book contacts ):

 

Http://www.cppblog.com/franksunny/archive/2009/04/14/54730.html

Operations on vCard and Symbian:

 

Http://www.cppblog.com/franksunny/archive/2008/09/13/61733.html

Http://baike.baidu.com/view/495045.htm

 

Symbian OS application development:

Http://blog.csdn.net/welcome_ck/archive/2005/01/06/242686.aspx

 

VCard 2.1 (rfc-2426) standard communication thin basic format

Http://www.cnblogs.com/qiubole/archive/2009/02/24/981981.html

 

VCard standard: rfc2426:

Http://www.rfc-editor.org/rfc/pdfrfc/rfc2426.txt.pdf

Getting contact info from default database:

 

Http://wiki.forum.nokia.com/index.php/Getting_contact_info_from_default_database

Getting contact database

 

Change event:

Http://wiki.forum.nokia.com/index.php/Getting_Contact_Database_Change_Event

Reading and editing a contact item:

Http://wiki.forum.nokia.com/index.php/Reading_and_Editing_a_Contact_Item

Encrypt-decrypt

 

Contact Database:

Http://wiki.forum.nokia.com/index.php/Encrypt-Decrypt_Contact_Database

 

Http://wiki.forum.nokia.com/index.php/%E5%B0%86vCard%E4%BF%A1%E6%81%AF%E5%AF%BC%E5%85%A5%E6%96%87%E4%BB%B6