playerlistener.html

是MIDP 的API 查詢文件, 大家可以看一下裡面的index.html, 再用Package 或 Class 名字來查.

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<A NAME="STARTED"><!-- --></A><H3>
STARTED</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>STARTED</B></PRE>
<DL>
<DD>Posted when a <code>Player</code> is started.
 When this event is received, the <code>eventData</code> parameter
 will be a <code>Long</code> object designating the media
 time when the <code>Player</code> is started.
 <p>
 Value <code>started</code> is assigned to <code>STARTED</code>.</DL>
<HR>

<A NAME="STOPPED"><!-- --></A><H3>
STOPPED</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>STOPPED</B></PRE>
<DL>
<DD>Posted when a <code>Player</code> stops in response to the
 <code>stop</code> method call.
 When this event is received, the <code>eventData</code> parameter
 will be a <code>Long</code> object designating the media 
 time when the <code>Player</code> stopped.
 <p>
 Value <code>stopped</code> is assigned to <code>STOPPED</code>.</DL>
<HR>

<A NAME="END_OF_MEDIA"><!-- --></A><H3>
END_OF_MEDIA</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>END_OF_MEDIA</B></PRE>
<DL>
<DD>Posted when a <code>Player</code> has reached the
 end of the media.
 When this event is received, the <code>eventData</code> parameter
 will be a <code>Long</code> object designating the media 
 time when the <code>Player</code> reached end of media and stopped.
 <p>
 Value <code>endOfMedia</code> is assigned to 
 <code>END_OF_MEDIA</code>.</DL>
<HR>

<A NAME="DURATION_UPDATED"><!-- --></A><H3>
DURATION_UPDATED</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>DURATION_UPDATED</B></PRE>
<DL>
<DD>Posted when the duration of a <code>Player</code> is updated.
 This happens for some media types where the duration cannot
 be derived ahead of time.  It can only be derived after the
 media is played for a period of time -- for example, when it 
 reaches a key frame with duration info; or when it reaches 
 the end of media.
 <p>
 When this event is received, the <code>eventData</code> parameter
 will be a <code>Long</code> object designating the duration 
 of the media.
 <p>
 Value <code>durationUpdated</code> is assigned to 
 <code>DURATION_UPDATED</code>.</DL>
<HR>

<A NAME="DEVICE_UNAVAILABLE"><!-- --></A><H3>
DEVICE_UNAVAILABLE</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>DEVICE_UNAVAILABLE</B></PRE>
<DL>
<DD>Posted when the system or another higher priority
 application has temporarily taken control of an
 exclusive device which was 
 previously available to the <code>Player</code>.  
 <p>
 The <code>Player</code> will be in the <i>REALIZED</i> 
 state when this event is received.
 <p>
 This event must
 be followed by either a <code>DEVICE_AVAILABLE</code>
 event when the device becomes available again,
 or an <code>ERROR</code> event if the device
 becomes permanently unavailable.
 <p>
 The <code>eventData</code> parameter is a <code>String</code>
 specifying the name of the device.
 <p>
 Value <code>deviceUnavailable</code> is assigned to 
 <code>DEVICE_UNAVAILABLE</code>.</DL>
<HR>

<A NAME="DEVICE_AVAILABLE"><!-- --></A><H3>
DEVICE_AVAILABLE</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>DEVICE_AVAILABLE</B></PRE>
<DL>
<DD>Posted when the system or another higher priority
 application has released an exclusive device 
 which is now available to the <code>Player</code>.
 <p>
 The <code>Player</code> will be in the <i>REALIZED</i> 
 state when this event is received.  The application
 may acquire the device with the 
 <code>prefetch</code> or <code>start</code> method.
 <p>
 A <code>DEVICE_UNAVAILABLE</code> event must
 preceed this event.
 <p>
 The <code>eventData</code> parameter is a <code>String</code>
 specifying the name of the device.
 <p>
 Value <code>deviceAvailable</code> is assigned to 
 <code>DEVICE_AVAILABLE</code>.</DL>
<HR>

<A NAME="VOLUME_CHANGED"><!-- --></A><H3>
VOLUME_CHANGED</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>VOLUME_CHANGED</B></PRE>
<DL>
<DD>Posted when the volume of an audio device is changed.
 When this event is received, the <code>eventData</code> parameter
 will be a <a href="control/VolumeControl.html">
 <code>VolumeControl</code></a>
 object.  The new volume
 can be queried from the <code>VolumeControl</code>.
 <p>
 Value <code>volumeChanged</code> is assigned to 
 <code>VOLUME_CHANGED</code>.</DL>
<HR>

<A NAME="ERROR"><!-- --></A><H3>
ERROR</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>ERROR</B></PRE>
<DL>
<DD>Posted when an error had occurred.
 When this event is received, the <code>eventData</code> parameter
 will be a <code>String</code> object specifying the error message.
 <p>
 Value <code>error</code> is assigned to <code>ERROR</code>.</DL>
<HR>

<A NAME="CLOSED"><!-- --></A><H3>
CLOSED</H3>
<PRE>
public static final <A HREF="../../../java/lang/String.html">String</A> <B>CLOSED</B></PRE>
<DL>
<DD>Posted when a <code>Player</code> is closed.
 When this event is received, the <code>eventData</code> parameter
 is null.
 <p>
 Value <code>closed</code> is assigned to <code>CLOSED</code>.</DL>

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<A NAME="playerUpdate(javax.microedition.media.Player, java.lang.String, java.lang.Object)"><!-- --></A><H3>
playerUpdate</H3>
<PRE>
public void <B>playerUpdate</B>(<A HREF="../../../javax/microedition/media/Player.html">Player</A>&nbsp;player,
                         <A HREF="../../../java/lang/String.html">String</A>&nbsp;event,
                         <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;eventData)</PRE>
<DL>
<DD>This method is called to deliver an event to a registered
 listener when a <code>Player</code> event is observed.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>player</CODE> - The player which generated the event.<DD><CODE>event</CODE> - The event generated as defined by the enumerated types.<DD><CODE>eventData</CODE> - The associated event data.</DL>
</DD>
</DL>
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<font size="-1"><a href="mailto:[e-mail]">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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