Reduce size of Bitmap to some specified pixel in Android

Question

I would like to reduce My Bitmap image size to maximum of 640px. For example I have Bitmap image of size 1200 x 1200 px .. How can I reduce it to 640px.

Answer 1

If you pass bitmap width and height then use:

public Bitmap getResizedBitmap(Bitmap image, int bitmapWidth, int bitmapHeight) {     return Bitmap.createScaledBitmap(image, bitmapWidth, bitmapHeight, true); } 

If you want to keep the bitmap ratio the same, but reduce it to a maximum side length, use:

public Bitmap getResizedBitmap(Bitmap image, int maxSize) {         int width = image.getWidth();         int height = image.getHeight();          float bitmapRatio = (float) width / (float) height;         if (bitmapRatio > 1) {             width = maxSize;             height = (int) (width / bitmapRatio);         } else {             height = maxSize;             width = (int) (height * bitmapRatio);         }          return Bitmap.createScaledBitmap(image, width, height, true); }