java - When saving bitmap, I get 3 copies -

i have save button imageview bitmap picture. when click it, 3 copies of same image, 2 of them 0 bytes. here's image:

and here's code:

public class photo_gallery extends activity implements onclicklistener{      button save;     imageview slika;       final file mydir = new file("/sdcard/pictures/sexyimages");     boolean success = false;       @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);          setcontentview(r.layout.photo_gallery);          initializevars();      }      private void initializevars() {          slika = (imageview) findviewbyid(r.id.imageview1);         save = (button) findviewbyid(r.id.bsave);           save.setonclicklistener(new onclicklistener() {              public void onclick(view v) {                  final random generator = new random();                 int n = 10000;                 n = generator.nextint(n);                 final string fname = "styleme-" + n + ".png";                  mydir.mkdirs();                  file image = new file(mydir, fname);                  bitmapdrawable drawable = (bitmapdrawable) slika.getdrawable();                 bitmap bitmap = drawable.getbitmap();                  // encode file png image.                 fileoutputstream outstream;                 try {                      outstream = new fileoutputstream(image);                     bitmap.compress(bitmap.compressformat.png, 100, outstream);                      /* 100 keep full quality of image */                      outstream.flush();                     outstream.close();                     success = true;                 } catch (filenotfoundexception e) {                     e.printstacktrace();                 } catch (ioexception e) {                     e.printstacktrace();                 }                  if (success) {                     toast.maketext(getapplicationcontext(), "image saved success @ /sdcard/pictures/sexyimages",                             toast.length_long).show();                 } else {                     toast.maketext(getapplicationcontext(),                             "error during image saving", toast.length_long).show();                 }              }         });      } 

and second queston....how refresh gallery app? know have implement code somewhere, don't know how:

environment.getexternalstoragedirectory();