Symbian OS 应用开发之玩转通信录

核心提示：TBool aExportPrivateFields=ETrue：ETrue exports fields marked as private. EFalse does not export fields marked as private. See CContactItemField::SetPrivate().Le

TBool aExportPrivateFields=ETrue：ETrue exports fields marked as private. EFalse does not export fields marked as private. See CContactItemField::SetPrivate().

Leave codes：

KErrNotSupported aFormat.iUid is not KVersitEntityUidVCard.

KErrNotFound One or more of the contact items does not exist in the database.

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例程如下：

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RFs fileSession;

User::LeaveIfError(fileSession.Connect());//连接文件服务器

CleanupClosePushL(fileSession);

CContactDatabase* contactDb = CContactDatabase::OpenL();//打开默认数据库

CleanupStack::PushL(contactDb);

CContactIdArray* exportContact = CContactIdArray::NewL();//记录数据项数组

CleanupStack::PushL(exportContact);

RFile file;

file.Replace(fileSession,aFileName,EFileWrite);// 新建文件，aFileName是文件名字

CleanupClosePushL(file);

RFileWriteStream outputStream(file);//声明文件流

CleanupClosePushL(outputStream);

exportContact = iContacts;//iContacts是已初始化了相应导出属性的数组，需用类CCntFilter

//如：

//CCntFilter* filter = CCntFilter::NewLC();

//filter->SetContactFilterTypeALL(EFalse);

//filter->SetContactFilterTypeCard(ETrue);//按vCard格式导出

//contactDb->FilterDatabaseL(*filter); //按照该filter属性取出满足条件的相应项

TUid id;

id.iUid = KVersitEntityUidVCard;

contactDb->ExportSelectedContactsL(id,*exportContact, //导出到文件

aWriteStream,

CContactDatabase::EExcludeUid);

CleanupStack::PopAndDestroy(5);

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删除一个指定通信录项

这里可以使用类CPbkContactEngine，这个类可以很方便的完成各种操作，它相当于操作手机通信录的一个快速引擎