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  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
<task id="GUID-0703C141-17C7-5918-9CF3-EF6CD408975B" xml:lang="en"><title>Phone
Security Code Tutorial</title><shortdesc>This tutorial describes how to set the security code in a Symbian
platform device. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>


<context id="GUID-FBCE9201-E2FB-44E5-A9A9-F68EC98FFA75"><p>A security code controls access to the phone and can take a number
of  forms, such as a phone password, or SIM PIN number. Phone security functions
use an <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita#GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8/GUID-81A8B1D4-E771-3720-B346-AD9A79861BDD"><apiname>RMobilePhone::TMobilePhoneSecurityCode</apiname></xref> flag to 
specify the type of the code.  </p></context>
<steps-unordered>
<step id="GUID-B969E22B-1055-5CF8-B95C-98F2486D0472"><cmd>To set a security
code, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::ChangeSecurityCode()</apiname></xref>. </cmd>
<info>This takes a <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::TMobilePhonePasswordChangeV1</apiname></xref> object
containing the old and new values. </info>
</step>
<step id="GUID-F7B814C8-F373-513D-9384-D218C0450798"><cmd>To verify an entered
code against the specified stored security code, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::VerifySecurityCode()</apiname></xref>. </cmd>
</step>
<step id="GUID-976CB6F4-D2B6-5A87-8226-B97A0A92B770"><cmd>To inform the phone
that the user has cancelled a request for a security code to be entered, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::AbortSecurityCode()</apiname></xref>. </cmd>
</step>
</steps-unordered>
<example><title>Phone security code example</title> <p>The following code
takes the parameters for old and new password values, and changes the phone
password. </p> <p>The code assumes <codeph>iMobilePhone</codeph> is an <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone</apiname></xref> object. </p> <codeblock id="GUID-1FFD20DF-F10D-5B13-9088-32529980E7CB" xml:space="preserve">void CClass::SetPasswordL(const TDesC&amp; aOldPassword, const TDesC&amp; aNewPassword)
    {
    TUint32 securityCaps;
    User::LeaveIfError(iMobilePhone.GetSecurityCaps(securityCaps));

    if (securityCaps &amp; RMobilePhone::KCapsLockPhone)
        {
        RMobilePhone::TMobilePhonePasswordChangeV1 passwordChange;
        passwordChange.iOldPassword = aOldPassword;
        passwordChange.iNewPassword = aNewPassword;
        RMobilePhone::TMobilePhoneSecurityCode securityCode = RMobilePhone::ESecurityCodePhonePassword;
        TRequestStatus status;
        iMobilePhone.ChangeSecurityCode(status, securityCode, passwordChange);
        User::WaitForRequest(status);
        User::LeaveIfError(status.Int());
        }
    }
</codeblock> </example>
</taskbody></task>