How to set Decoded bytes to Imageview

Question

I receive byte string in response but whenever i trying to convert it in bitmap it giving me null value.I am using below code for converting to bitmap.Anyone Help me?

byte[] decodedString = Base64.decode(strImageid, Base64.NO_WRAP);
        Bitmap decodedByte = BitmapFactory.decodeByteArray( decodedString, 0, decodedString.length);
holder.imageView.setImageBitmap(decodedByte);

See [this](https://stackoverflow.com/a/16648763/6611700) and [this](https://stackoverflow.com/a/7359244/6611700) — riyaz-ali, Feb 08 '18 at 08:00
@riyaz-ali i gone through the link which you provided but it gives me same issue — DevMobApp, Feb 08 '18 at 08:20

score 1 · Accepted Answer · answered Feb 08 '18 at 08:55

it's working fine using glide getting bitmap images.

private void applyProfilePicture(EmployeeViewHolder holder, List<AllRestaurantList> dataList, final int position) {
        if (!TextUtils.isEmpty(dataList.get(position).getImage())) {

            String imageBytes = dataList.get(position).getImage();
            byte[] imageByteArray = Base64.decode(imageBytes, Base64.DEFAULT);

            Glide.with(context)
                    .load(imageByteArray)
                    .asBitmap()
                    .into(holder.ivResIcon);

            /*Glide.with(context)
                    .load(dataList.get(position).getImage())
                    .thumbnail(0.5f)
                    .crossFade()

                    .diskCacheStrategy(DiskCacheStrategy.ALL)
                    .into(holder.ivResIcon);*/
           // holder.img.setColorFilter(null);
            //holder.iconText.setVisibility(View.GONE);
        } else {
            holder.ivResIcon.setImageResource(R.drawable.ic_perm_identity_gray_24dp);
            //holder.imgProfile.setColorFilter(dataList.getColor());
           // holder.iconText.setVisibility(View.VISIBLE);
        }
    }

thanks a lot . It slove my issue. But where i am wrong can you figure out. — DevMobApp, Feb 08 '18 at 09:20
I guess it is because of the `flags` you used while decoding the Base64 string. In the OP you have used `NO_WRAP` while in this answer it is `DEFAULT` and that's why the difference, although I'm not sure about it. Can you update your question with the Base64 string you are getting? — riyaz-ali, Feb 08 '18 at 10:19

score 0 · Answer 2 · answered Feb 08 '18 at 08:49

0

As mentioned in the comment's link If you have converted your image to string by using Base64. You should convert it back with Base64.

Im using this snippet maybe it helps u too.

byte[] data = Base64.decode(iconString, Base64.DEFAULT);
Bitmap imageBitmap = BitmapFactory.decodeByteArray(data, 0, data.length, null); // null for options
imageView.setImageBitmap(imageBitmap);

answered Feb 08 '18 at 08:49

yilmazburk

907
9
17

imageBitmap gives me null value. – DevMobApp Feb 08 '18 at 09:21

How to set Decoded bytes to Imageview

2 Answers2