WebApr 11, 2024 · After trying all the possible solutions from blogs, forums, web pages, I've come up with this question. Initially I created a database with a table 'registrationTable', … WebHere is bitmap extension .convertToByteArray wrote in Kotlin. /** * Convert bitmap to byte array using ByteBuffer. */ fun Bitmap.convertToByteArray(): ByteArray { //minimum …
java - Android : How to read file in bytes? - Stack Overflow
WebDec 2, 2015 · byte bytes[] = new byte[(int) file.length()]; BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file)); DataInputStream dis = new DataInputStream(bis); dis.readFully(bytes); Blocks until a full read is complete, and doesn't require extra imports. WebFeb 15, 2016 · 2 Answers. byte [] bitmapdata; // let this be your byte array Bitmap bitmap = BitmapFactory.decodeByteArray (bitmapdata , 0, bitmapdata .length); Use BitmapFactory of Android for getting bitmap from byte array like : c# initialize dictionary
create Bitmap From Byte Array - Android Graphics - java2s.com
WebDec 7, 2012 · The goal is to convert a Bitmap to a byte [], pass it between activities in a Bundle of data, then reconvert it back to a Bitmap at a later stage for display in an Imageview.. The issue is that whenever I try this, I just get a null bitmap and the non-descriptive, unhelpful log output: 12-07 17:01:33.282: D/skia(2971): --- … WebApr 9, 2024 · Currentexercis.image represents the byte array from my database, and its value seems to be OK, however every time bitmap is null. This is the code from my other program where I convert the image into bytearray: Image img = Image.FromFile (opendlg.FileName); MemoryStream ms = new MemoryStream (); img.Save (ms, … WebFeb 13, 2012 · I am using Mono for Android, I would like to save a bitmap to a byte array So I can save it to a database. Searching in here I found the following piece of code: ByteArrayOutputStream bos = new ByteArrayOutputStream(); bitmap.compress(CompressFormat.PNG, 0, bos); byte[] bitmapdata = bos.toByteArray(); c++ initialize class variables in constructor