Groups > comp.lang.java.programmer > #8594

Re: optional operation

From	Lew <lewbloch@gmail.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: optional operation
Date	2011-10-06 06:47 -0700
Organization	http://groups.google.com
Message-ID	<10179923.1102.1317908858001.JavaMail.geo-discussion-forums@prcs9> (permalink)
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On Wednesday, October 5, 2011 11:46:11 PM UTC-7, bob wrote:

PLEASE do not top-post!

PLEASE stop embedding TAB characters in your listings!

Dude.  Really.

> Here's what I tried:
> 
> 			AssetManager am = this.getResources().getAssets();
> 
> 			AssetFileDescriptor afd = am.openFd(filename);
> 			FileInputStream fis = afd.createInputStream();
> 			FileChannel fchan = fis.getChannel();
> 			ByteBuffer inBuff = ByteBuffer.allocateDirect( 24121*4 );
> 			int bytesread = fchan.read( inBuff );
> 
> 			 FloatBuffer floatBuffer = inBuff.asFloatBuffer();
> 
> 			   float[] floats = new float[ 24121 ];
> 			   floatBuffer.get( floats);
> 			return floats;
> 
> However, I always get a BufferUnderflowException at
> floatBuffer.get( floats);
> 
> 10-05 23:37:07.400: ERROR/AndroidRuntime(3570): Caused by:
> java.nio.BufferUnderflowException
> 
> For some reason, floatBuffer thinks it has a capacity of 0 after it's
> created.
> 
> Any ideas?

buffer 'flip()'?

-- 
Lew

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optional operation bob <bob@coolgroups.com> - 2011-10-05 09:49 -0700
  Re: optional operation Patricia Shanahan <pats@acm.org> - 2011-10-05 10:30 -0700
    Re: optional operation bob <bob@coolgroups.com> - 2011-10-05 14:20 -0700
      Re: optional operation markspace <-@.> - 2011-10-05 15:51 -0700
        Re: optional operation markspace <-@.> - 2011-10-05 16:05 -0700
          Re: optional operation bob <bob@coolgroups.com> - 2011-10-05 23:46 -0700
            Re: optional operation Lew <lewbloch@gmail.com> - 2011-10-06 06:47 -0700

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