Java tutorial
//package com.java2s; import android.os.Environment; import android.util.Log; import java.io.DataInputStream; import java.io.EOFException; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class Main { final private static String TAG = "IOHelper"; public static int[] readBin83PtIndex(String dir, String fileName) { int i = 0; int x = 0; int[] tab = new int[83]; File sdLien = Environment.getExternalStorageDirectory(); File inFile = new File(sdLien + File.separator + dir + File.separator + fileName); Log.d(TAG, "path of file : " + inFile); if (!inFile.exists()) { throw new RuntimeException("File doesn't exist"); } DataInputStream in = null; try { in = new DataInputStream(new FileInputStream(inFile)); } catch (FileNotFoundException e) { e.printStackTrace(); } try { x = in.readInt(); while (true) { tab[i] = x; i++; x = in.readInt(); } } catch (EOFException e) { try { Log.d(TAG, "close"); in.close(); } catch (IOException e1) { e1.printStackTrace(); } } catch (IOException e) { e.printStackTrace(); } finally { if (in != null) { try { //free ressources Log.d(TAG, "close"); in.close(); } catch (IOException e) { e.printStackTrace(); } } } return tab; } }