What does the filter parameter to createScaledBitmap do?

Question

The declaration of android.graphics.Bitmap.createScaledBitmap is

public static Bitmap createScaledBitmap
  (Bitmap src, int dstWidth, int dstHei         


        

Answer 1

To expand on Karan's answer: As a general rule you won't see any difference if you're scaling your image down, but you will if you're scaling it up.

Passing filter = false will result in a blocky, pixellated image.

Passing filter = true will give you smoother edges.

However, as EIYeante pointed out in the comments, you might still see a difference. This is their example image.