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Editorial Team
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Asked: 2026-05-30T19:32:04+00:00

I need to create a filter that would filter files in a folder by

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I need to create a filter that would filter files in a folder by extension. I prefer to create one filter that would combine several extensions and be case insensitive.

I am using FileNameExtensionFilter class from javax.swing

FileFilter filter = null;
filter = new FileNameExtensionFilter("Text file", "txt", "text");

which works fine on desktop but throws this on Android:

02-29 09:48:04.751: E/AndroidRuntime(25217): java.lang.NoClassDefFoundError: javax.swing.filechooser.FileNameExtensionFilter

Is there an alternative class that would work both on desktop and Android.

Thanks!

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1 Answer

  1. Editorial Team

    You could browse the code yourself and create your own version. There aren’t any swing dependencies apart from FileNameExtensionFilter itself and its superclass.

    http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/javax/swing/filechooser/FileNameExtensionFilter.java

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