How to Resize a Bitmap in Android?

android bitmap base64
NullPointerException picture NullPointerException · Jan 29, 2011 · Viewed 451.8k times · Source

I have a bitmap taken of a Base64 String from my remote database, (encodedImage is the string representing the image with Base64):

profileImage = (ImageView)findViewById(R.id.profileImage);

byte[] imageAsBytes=null;
try {
    imageAsBytes = Base64.decode(encodedImage.getBytes());
} catch (IOException e) {e.printStackTrace();}

profileImage.setImageBitmap(
    BitmapFactory.decodeByteArray(imageAsBytes, 0, imageAsBytes.length)
);

profileImage is my ImageView

Ok, but I have to resize this image before showing it on my ImageView of my layout. I have to resize it to 120x120.

Can someone tell me the code to resize it?

The examples I found could not be applied to a base64 string obtained bitmap.

Answer

user432209 picture user432209 · Jan 29, 2011

Change:

profileImage.setImageBitmap(
    BitmapFactory.decodeByteArray(imageAsBytes, 0, imageAsBytes.length)

To:

Bitmap b = BitmapFactory.decodeByteArray(imageAsBytes, 0, imageAsBytes.length)
profileImage.setImageBitmap(Bitmap.createScaledBitmap(b, 120, 120, false));

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