ImageView to Byte[] convert &Vice a Vise in Xamarin Androd

Pranjet Solutions

Sir,

I am a big Fan of Yours. I am a beginner also. I want to develop a project in Xamarin Android, so that converts an image in ImageView to Byte[] & Vice a Vise in Xamarin Android.

Please Help me.

6 Replies

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Pranjet Solutions7y ago
ImageView imageView = (ImageView)FindViewById(Resource.Id.imageView1);
Bitmap bitmap = BitmapFactory.DecodeResource(getResources(), R.drawable.large_icon);
MemoryStream streamPIC = new MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
byte[] bytePhoto = streamPIC.ToArray();
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Mushtaq M A7y ago
can you share your code block
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Pranjet Solutions7y ago
Thanks Mushtaq...

But Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.large_icon); is not working till now.

I am using Xamarin Android...

R.. is used there?

Please help me..
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Mushtaq M A7y ago
I have updated my answer. check and let me know
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Pranjet Solutions7y ago
Thanks Mushtaq, but imageView.getDrawable()).getBitmap() is not working.

Please help on it.
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Mushtaq M A7y ago
Hi,

Try the below, which will be helpful for you.

ImageView to Byte Array
ImageView imageView = (ImageView) FindViewById(Resource.Id.imageView);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.large_icon);
MemoryStream stream = new MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
byte[] bitmapData = stream.ToArray();
Byte Array to ImageView
Bitmap bitmap = BitmapFactory.decodeByteArray(bitmapdata, 0, bitmapdata.length);
imageView.setImageBitmap(bitmap);
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