Converting Byte Array to Bitmap android

Question

I'am trying convert Byte Array to Bitmap to show in imageView in android, I am taking byte data from method but When I run the below function,I am taking null value of Bitmap, how can I take bitmap value from byte[] array

 private CameraProxy.CameraDataCallBack callBack = new CameraProxy.CameraDataCallBack() {

        @Override
        public void onDataBack(byte[] data, long length) {
            // TODO Auto-generated method stub
            Log.i(TAG, "length . " + length);

            Log.i("data",""+data);

            Bitmap bitmap = BitmapFactory.decodeByteArray(data,0,data.length);
            im.setImageBitmap(bitmap);




        }
    };

is it the sdk public? are you sure that the byte array is argb? — Blackbelt, Dec 12 '18 at 11:28
you can't convert *just any* byte array to bitmap. Are you sure that `byte[] data` is a bitmap byte array? — Vladyslav Matviienko, Dec 12 '18 at 11:29
how can understand that, it returns me like this "data:{88,84,83,80,82,81, + 1382390 more}" — Rıdvan, Dec 12 '18 at 11:31
https://github.com/onejay09/android_packages_apps_Camera2/blob/master/src/com/android/camera/AndroidCameraManagerImpl.java have good look at this .you will find your ans. — Muhammad Ahsan, Dec 12 '18 at 11:33
it returns me NV21 format ,I solved my problem ,thanks for your help. — Rıdvan, Dec 13 '18 at 07:31

score 0 · Answer 1 · answered Dec 12 '18 at 11:37

0

These code works for me.

            bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(),                       
            selectedImage);

            img = findViewById(R.id.imageView);

            //img.setImageBitmap(bitmap);

            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
            byteArray = stream.toByteArray();

answered Dec 12 '18 at 11:37

Taqi Tahmid Tanzil

300
3
17

you are doing exactly opposite of what being asked. – Rahul Dec 12 '18 at 12:54

Converting Byte Array to Bitmap android

1 Answers1