Fetch Files from sdcard-Android

"Android Code Snippet":
fetch files from sdcard android:

    File file[] = Environment.getExternalStorageDirectory().listFiles();
 recursiveFileFind(file);

    public void recursiveFileFind(File[] file1){
    int i = 0;
    String filePath="";

        if(file1!=null){
        while(i!=file1.length){
            filePath = file1[i].getAbsolutePath();
         if(file1[i].isDirectory()){
          File file[] = file1[i].listFiles();
                recursiveFileFind(file);
         }
            i++;
            Log.d(i+"", filePath);
        }

      }
    }