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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_02) on Wed Mar 22 19:19:18 PST 2006 --><TITLE>Uses of Class javacard.framework.AID (Java Card API and Subsets)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Uses of Class javacard.framework.AID (Java Card API and Subsets)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java Card </b><br><font size="-1">v2.2.2</font></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV NEXT</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javacard/framework//class-useAID.html" target="_top"><B>FRAMES</B></A> <A HREF="AID.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><CENTER><H2><B>Uses of Class<br>javacard.framework.AID</B></H2></CENTER><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Packages that use <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#javacard.framework"><B>javacard.framework</B></A></TD><TD>Provides a framework of classes and interfaces for building,communicating with and working with Java Card technology-based applets. </TD></TR></TABLE> <P><A NAME="javacard.framework"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Uses of <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A> in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A></FONT></TH></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A> that return <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#getAID()">getAID</A></B>()</CODE><BR> Returns the Java Card runtime environment-owned instance of the <code>AID</code> object associated with the current applet context, or <code>null</code> if the <code>Applet.register()</code> method has not yet been invoked.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#getPreviousContextAID()">getPreviousContextAID</A></B>()</CODE><BR> Obtains the Java Card runtime environment-owned instance of the <code>AID</code> object associated with the previously active applet context.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#lookupAID(byte[], short, byte)">lookupAID</A></B>(byte[] buffer, short offset, byte length)</CODE><BR> Returns the Java Card runtime environment-owned instance of the <code>AID</code> object, if any, encapsulating the specified AID bytes in the <code>buffer</code> parameter if there exists a successfully installed applet on the card whose instance AID exactly matches that of the specified AID bytes.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A> with parameters of type <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javacard/framework/Shareable.html" title="interface in javacard.framework">Shareable</A></CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#getAppletShareableInterfaceObject(javacard.framework.AID, byte)">getAppletShareableInterfaceObject</A></B>(<A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A> serverAID, byte parameter)</CODE><BR> Called by a client applet to get a server applet's shareable interface object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javacard/framework/Shareable.html" title="interface in javacard.framework">Shareable</A></CODE></FONT></TD><TD><CODE><B>Applet.</B><B><A HREF="../../../javacard/framework/Applet.html#getShareableInterfaceObject(javacard.framework.AID, byte)">getShareableInterfaceObject</A></B>(<A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A> clientAID, byte parameter)</CODE><BR> Called by the Java Card runtime environment to obtain a shareable interface object from this server applet, on behalf of a request from a client applet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#isAppletActive(javacard.framework.AID)">isAppletActive</A></B>(<A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A> theApplet)</CODE><BR> This method is used to determine if the specified applet is active on the card.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B>AID.</B><B><A HREF="../../../javacard/framework/AID.html#RIDEquals(javacard.framework.AID)">RIDEquals</A></B>(<A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A> otherAID)</CODE><BR> Checks if the RID (National Registered Application provider identifier) portion of the encapsulated AID bytes within the <code>otherAID</code> object matches that of <code>this</code> <code>AID</code> object.</TD></TR></TABLE> <P><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java Card </b><br><font size="-1">v2.2.2</font></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV NEXT</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javacard/framework//class-useAID.html" target="_top"><B>FRAMES</B></A> <A HREF="AID.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A 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