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MID Profile: Interface Control
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javax.microedition.media</FONT>
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Interface Control</H2>
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<DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../javax/microedition/media/control/ToneControl.html">ToneControl</A>, <A HREF="../../../javax/microedition/media/control/VolumeControl.html">VolumeControl</A></DD>
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<DT>public interface <B>Control</B></DL>
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A <code>Control</code> object is used to control some media processing functions. The set of operations are usually functionally related. Thus a <code>Control</code> object provides a logical grouping of media processing functions. <p> <code>Control</code>s are obtained from <code>Controllable</code>. The <code>Player</code> interface extends <code>Controllable</code>. Therefore a <code>Player</code> implementation can use the <code>Control</code> interface to extend its media processing functions. For example, a <code>Player</code> can expose a <code>VolumeControl</code> to allow the volume level to be set. <p> Multiple <code>Control</code>s can be implemented by the same object. For example, an object can implement both <code>VolumeControl</code> and <code>ToneControl</code>. In this case, the object can be used for controlling both the volume and tone generation. <p> The <code>javax.microedition.media.control</code> package specifies a set of pre-defined <code>Control</code>s.
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<DT><B>See Also: </B><DD><A HREF="../../../javax/microedition/media/Controllable.html"><CODE>Controllable</CODE></A>,
<A HREF="../../../javax/microedition/media/Player.html"><CODE>Player</CODE></A></DL>
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<font size="-1"><a href="mailto:midp-feedback@risc.sps.mot.com">Submit a comment or suggestion</a> Version 2.0 of MID Profile Specification<br>Java is a trademark or registered trademark of Sun Microsystems, Inc. in the US and other countries. Copyright (c) 1993-2002 Sun Microsystems, Inc. 901 San Antonio Road,Palo Alto, California, 94303, U.S.A. All Rights Reserved.</font>
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