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issues to save and retrive the image in android?

try {

                toDisk.compress(Bitmap.CompressFormat.JPEG, 100, new FileOutputStream(new File("/mnt/sdcard/image00"+saveimageid+".jpg")));

                saveimageid++;

            } catch (FileNotFoundException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

       

File imgFile = new  File("/mnt/sdcard/image001.jpg");

if(imgFile.exists()){

 

    Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getAbsolutePath());

 

    ImageView myImage = (ImageView) findViewById(R.id.ImageView01);

    myImage.setImageBitmap(myBitmap);

       

new File(String.format("/mnt/sdcard/image%03d.jpg", saveimageId))

       

File dir = new File("/mnt/sdcard/");

File[] images = dir.listFiles(new FilenameFilter() {

     @Override

     public boolean accept(final File dir, final String filename) {

         return filename.matches("image[0-9]+\.jpg");

     }

});