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anddev.org • View topic - Delete Files from directory based on directory size.

Delete Files from directory based on directory size.

Tutorials with advanced 'difficulty' and more Lines of Code.

Delete Files from directory based on directory size.

Postby Dannible » Fri May 14, 2010 4:46 pm

In my application I have a directory where I keep images temporarily. I would like to be able to delete the images from this directory when it reaches a certain size. I don't need it to delete the oldest first or anything like that. I just need to keep the size in check.


This is what I have:
Syntax: [ Download ] [ Hide ]
Using java Syntax Highlighting
  1. public void DelSomeCache(Long dirSize){
  2.  
  3.                 long dirFileSize = 0;
  4.  
  5.                
  6.  
  7.                 String sDir = Environment.getExternalStorageDirectory()+"/myDir";
  8.  
  9.                 File delDir = new File(sDir);  
  10.  
  11.                 String[] files = delDir.list();
  12.  
  13.        
  14.  
  15.                 for(int i=0;i<files.length;i++){
  16.  
  17.                         File ftdel = new File(files[i]);
  18.  
  19.                         long fileSize = ftdel.length();
  20.  
  21.                        
  22.  
  23.                         dirFileSize = dirFileSize + fileSize;
  24.  
  25.                        
  26.  
  27.                         if(dirFileSize>=dirSize){
  28.  
  29.                                 Log.i("Deleted",files[i]);
  30.  
  31.                                 ftdel.delete();
  32.  
  33.                         }
  34.  
  35.                 }
  36.  
  37.                
  38.  
  39.         }
Parsed in 0.011 seconds, using GeSHi 1.0.8.4


It does not seem to be working. I get a message in the LogCat that files were deleted, but when I check the files are still there. Any help with what i'm missing would be appreciated.
Dannible
Junior Developer
Junior Developer
 
Posts: 13
Joined: Fri Nov 13, 2009 11:43 pm

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