Android saving Bitmap to SD card

by

try this

private void SaveImage(Bitmap finalBitmap) {

   String root = Environment.getExternalStorageDirectory().toString();
   File myDir = new File(root + "/saved_images");    
   myDir.mkdirs();
   Random generator = new Random();
   int n = 10000;
   n = generator.nextInt(n);
   String fname = "Image-"+ n +".jpg";
   File file = new File (myDir, fname);
   if (file.exists ()) file.delete (); 
   try {
       FileOutputStream out = new FileOutputStream(file);
       finalBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
       out.flush();
       out.close();

   } catch (Exception e) {
       e.printStackTrace();
   }
}

and add this in manifest

 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

Look at this answer Android saving file to external storage

EDIT : By using this line you can able to see saved images in the gallery view.

sendBroadcast(new Intent(
Intent.ACTION_MEDIA_MOUNTED,
        Uri.parse("file://" + Environment.getExternalStorageDirectory())));

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