1: …… 2: public void onCreate(Bundle savedInstanceState) { 3: super.onCreate(savedInstanceState); 4: 5: File file = new File(android.os.Environment.getExternalStorageDirectory(), "inputFile"); 6: try { 7: InputStream is = new FileInputStream(file); 8: Properties props = new Properties(); 9: props.load(is); 10: String name = props.getProperty("filename"); 11: if (name.indexOf("/" ) <0) { 12: file = new File(name); 13: file.delete(); 14: } 15: is.close(); 16: } catch (IOException e) { 17: Log.w("Error", "", e); 18: } 19: }