Android How to - Scale the bitmap

Question

We would like to know how to scale the bitmap.
Answer

/*  w  ww.j  a  v a 2 s . c o m*/
import android.graphics.Bitmap;

public class Main {

  /**
   * scale the bitmap to a long edge of 500
   * 
   * @param Bitmap
   * @return Bitmap
   */
  public static Bitmap scaleBmp(Bitmap bmp) {
    return scaleBmp(bmp, 500);
  }

  /**
   * scale the bitmap to a long edge of max
   * 
   * @param Bitmap
   * @param Integer
   * @return Bitmap
   */
  public static Bitmap scaleBmp(Bitmap bmp, int max) {
    float bmpWidth = bmp.getWidth();
    float bmpHeight = bmp.getHeight();
    if (bmpWidth < bmpHeight) {
      bmpWidth = (bmpWidth / bmpHeight) * max;
      bmpHeight = max;
    } else {
      bmpHeight = (bmpHeight / bmpWidth) * max;
      bmpWidth = max;
    }
    if (bmpWidth > 0 && bmpWidth > 0) {
      bmp = Bitmap.createScaledBitmap(bmp, (int) bmpWidth,
          (int) bmpHeight, true);
    }
    return bmp;
  }

}