How to save Bitmap object to SD card in android

Bitmap logoBitmap = ((), .arcnote_logo);
ByteArrayOutputStream logoStream = new ByteArrayOutputStream();
boolean res = (,100,logoStream);
//Read the image into the logoStreambyte[] logoBuf = ();
//Save the image to byte[]Bitmap temp = (logoBuf,0,);
//Read the image from byte[] to generate Bitmap object tempsaveMyBitmap("tttt",temp);
//Save the image to the SD cardpublic void saveMyBitmap(String bitName,Bitmap mBitmap){
 File f = new File("/sdcard/" + bitName + ".png");
 try {
  ();
 } catch (IOException e) {
  // TODO Auto-generated catch block
 }
 FileOutputStream fOut = null;
 try {
  fOut = new FileOutputStream(f);
 } catch (Exception e) {
  ();
 }
 (, 100, fOut);
 try {
  ();
 } catch (IOException e) {
  ();
 }
 try {
  ();
 } catch (IOException e) {
  ();
 }
}