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<concept id="GUID-0F8D0399-58CD-4EB6-82DF-75D6BE5B0A84" xml:lang="en"><title>Application
framework concepts</title><prolog><metadata><keywords/></metadata></prolog><conbody>
<p>The application framework contains a set of libraries and components
provided by the Symbian platform to make common functions available to applications.
Examples of the available functionality include: </p>
<ul>
<li><p><xref href="GUID-07D2ED79-90B2-4ABC-A61F-108DAEE21955.dita">application
launching</xref></p></li>
<li><p><xref href="GUID-A9330FEF-C559-4E2B-B064-0151FDADEA8C.dita">event
handling</xref></p></li>
<li><p><xref href="GUID-E111C4E8-1342-4E87-ACB4-5B630AF1501C.dita">internationalization
and localization</xref></p></li>
<li><p><xref href="GUID-E402616A-7ED8-45AC-B836-99C3A3760B33.dita">keyboard</xref> and <xref href="GUID-4D2AA522-82AB-4D1E-9F1E-5C6A35DEF195.dita">pointer</xref> support</p>
</li>
</ul>
<p>All GUI-based applications use the application framework architecture,
which means you need to derive the application classes from base classes provided
by AVKON. For more information on the classes involved in the application
framework, see <xref href="GUID-BDDDF68F-F7C3-43AF-8B6C-C77C701FD2A9.dita">Framework
requirements for GUI applications</xref>.
For more information on the UI, see <xref href="GUID-0F593BE1-1220-4403-B04E-B8E8A9A49701.dita">UI concepts</xref>.</p>
<p>In addition, the following concepts are relevant in the context of the
application framework:</p>
<ul>
<li><p><xref href="GUID-5F749184-C804-41FC-BA81-038783BDC967.dita">Resources</xref></p>
</li>
<li><p><xref href="GUID-FE9017F4-4197-472F-A3E7-267169A51ABD.dita">Registration</xref></p>
</li>
</ul>
</conbody></concept>