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Home/ Questions/Q 6228273
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Editorial Team
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Editorial Team
Asked: May 24, 20262026-05-24T09:21:37+00:00 2026-05-24T09:21:37+00:00

How can I search all .pdf and .doc files present in the Android device

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How can I search all .pdf and .doc files present in the Android device through a programmatic way?

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  1. Editorial Team
    Editorial Team
    2026-05-24T09:21:40+00:00Added an answer on May 24, 2026 at 9:21 am

    Try using the below code. This will work for you.

     public void walkdir(File dir) {
        String pdfPattern = ".pdf";
    
        File listFile[] = dir.listFiles();
    
        if (listFile != null) {
            for (int i = 0; i < listFile.length; i++) {
    
                if (listFile[i].isDirectory()) {
                    walkdir(listFile[i]);
                } else {
                  if (listFile[i].getName().endsWith(pdfPattern)){
                                      //Do whatever you want
    
                  }
                }
            }
        }
    }
    

    To search on the whole SD card, call this function using:

    walkdir(Environment.getExternalStorageDirectory());
    
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