camera.html

维信SDK文档。源码要求为至少5个C或Java源码

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<A NAME="Camera(Style)"><!-- --></A><H3>
Camera</H3>
<PRE>
       <B>Camera</B>(<A HREF="../../widsets/api/Style.html" title="class in ">Style</A>&nbsp;style)</PRE>
<DL>
<DD>Creates a new Camera component.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>style</CODE> - Style to use</DL>
</DL>

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<A NAME="isAvailable()"><!-- --></A><H3>
isAvailable</H3>
<PRE>
       boolean <B>isAvailable</B>()</PRE>
<DL>
<DD>Checks if the platform supports camera 
 If the camera is unavailable the <A HREF="../../widsets/api/Camera.html#capture(List)"><CODE>capture(List)</CODE></A> will
 always return <code>null</code>.
<P>
<DD><DL>
</DL>
</DD>
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<HR>

<A NAME="capture(List)"><!-- --></A><H3>
capture</H3>
<PRE>
       <A HREF="../../widsets/api/ByteArray.html" title="class in ">ByteArray</A> <B>capture</B>(<A HREF="../../widsets/api/List.html" title="class in ">List</A>&nbsp;types)</PRE>
<DL>
<DD><p>Takes a photo using phone's camera, with the
    given format specifications. 
 </p>
 
 <p>Note that it is very likely that phone will 
 ask user's permission to take the photo.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>types</CODE> - List of capture type Strings. 
              When capture is requested by user the system
              attempts to use the image types contained in list,
              starting from first and returning the first
              successful capture. Only required format for 
              Multimedia API is PNG. Type strings examples:
 <pre>
 encoding=png&width=320&height=200
 encoding=jpg&width=160&height=120
 encoding=png
 </pre>
<DT><B>Returns:</B><DD>Byte array containing the captured image,
         or <code>null</code> if capture failed.</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
       void <B>close</B>()</PRE>
<DL>
<DD>Closes camera and release allocated resources.
<P>
<DD><DL>
</DL>
</DD>
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