Java tutorial
//package com.java2s; import java.io.File; import java.util.ArrayList; import java.util.List; import android.os.Environment; import android.util.Log; public class Main { private static final String TAG = "NdroidHelper"; public static List grabFiles() { List<String> tFileList = new ArrayList<String>(); String p = Environment.getExternalStorageDirectory().getAbsolutePath() + "/nexsight/"; File f = new File(p); Log.d(TAG, "Read from " + p); File[] files = f.listFiles(); files = flipArray(files); if (files != null) { for (int i = 0; i < files.length; i++) { File file = files[i]; tFileList.add(file.getPath()); } } else { Log.w(TAG, "nothing found in " + p); } return tFileList; } public static File[] flipArray(File[] b) { for (int left = 0, right = b.length - 1; left < right; left++, right--) { // exchange the first and last File temp = b[left]; b[left] = b[right]; b[right] = temp; } return b; } }