1 <?xml version="1.0" encoding="utf-8"?>

     2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

     3 <!-- This component and the accompanying materials are made available under the terms of the License 

     4 "Eclipse Public License v1.0" which accompanies this distribution, 

     5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->

     6 <!-- Initial Contributors:

     7     Nokia Corporation - initial contribution.

     8 Contributors: 

     9 -->

    10 <!DOCTYPE task

    11   PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">

    12 <task id="GUID-7EA8047F-BD30-5100-9284-9A684500BFE6" xml:lang="en"><title>Registration

    13 Status Tutorial</title><shortdesc>This tutorial describes how to get the registration information

    14 with the telephony API for applications. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

    15 <context><p>The information about the network service like Roaming, Busy,

    16 Emergency calls only or No service is provided to the client applications. </p></context>

    17 

    18 

    19 <steps id="GUID-DB410EC7-09ED-5E05-892B-23333B678FB4">

    20 <step id="GUID-0AF5395D-6D56-5E83-BA77-BFF6EB2D2DEC"><cmd/>

    21 <info>create a new instance of <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony</apiname></xref>  </info>

    22 </step>

    23 <step id="GUID-F781DB86-2235-5A24-A2B7-C4F6C85C0340"><cmd/>

    24 <info>use <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::GetNetworkRegistrationStatus()</apiname></xref> to

    25 get the registration status information from the network </info>

    26 </step>

    27 <step id="GUID-0712E5C9-233B-5371-81C4-48A67AC38891"><cmd/>

    28 <info>use <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EGetNetworkRegistrationStatusCancel</apiname></xref> to

    29 cancel the asynchronous request </info>

    30 </step>

    31 <step id="GUID-D8A225B1-ED33-5AE4-B3DB-1826C796DB21"><cmd/>

    32 <info>use <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::ENetworkRegistrationStatusChange</apiname></xref> to

    33 get the notification of any changes to the registration status </info>

    34 </step>

    35 <step id="GUID-4CD5ED70-89D5-55AB-972F-26B1AC7C8205"><cmd/>

    36 <info>pass the enumeration <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::ENetworkRegistrationStatusChangeCancel</apiname></xref> to

    37 cancel the notification request. </info>

    38 </step>

    39 </steps>

    40 <example id="GUID-E42753A5-EF76-5B98-8E9E-8734C9ABFB66"><title>Registration

    41 status example</title> <codeblock id="GUID-84333DC0-97D7-5D8B-BFE7-F72793F38C6D" xml:space="preserve">#include &lt;e32base.h&gt;

    42 #include <Etel3rdParty.h>

    43 

    44 class CClientApp : public CActive

    45     { 

    46 

    47 private:

    48     CTelephony* iTelephony;

    49     CTelephony::TNetworkRegistrationV1 iNetworkRegistrationV1;

    50     CTelephony::TNetworkRegistrationV1Pckg iNetworkRegistrationV1Pckg;

    51 

    52 public:

    53     CClientApp(CTelephony* aTelephony);

    54     void SomeFunction();

    55 

    56 private:

    57     /*

    58        These are the pure virtual methods from CActive that  

    59        MUST be implemented by all active objects

    60        */

    61     void RunL();

    62     void DoCancel();

    63     };

    64 

    65 CClientApp::CClientApp(CTelephony* aTelephony)

    66     : CActive(EPriorityStandard),

    67       iTelephony(aTelephony),

    68       iNetworkRegistrationV1Pckg(iNetworkRegistrationV1)

    69     {

    70     //default constructor

    71     }

    72 

    73 void CClientApp::SomeFunction()

    74     {

    75     iTelephony->GetNetworkRegistrationStatus(iStatus, iNetworkRegistrationV1Pckg);

    76     SetActive();

    77     }

    78 

    79 void CClientApp::RunL()

    80     {

    81     if(iStatus==KErrNone)

    82        {

    83        CTelephony::TRegistrationStatus regStatus = iNetworkRegistrationV1.iRegStatus;

    84        }

    85     }

    86 

    87 void CClientApp::DoCancel()

    88     {

    89     iTelephony->CancelAsync(CTelephony::EGetNetworkRegistrationStatusCancel);

    90     }</codeblock> </example>

    91 </taskbody></task>