import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
class MyUtils {
public MyUtils() {
}
public static Drawable resizeImage(Context ctx, int resId, int w, int h) {
// load the origial Bitmap
Bitmap BitmapOrg = BitmapFactory.decodeResource(ctx.getResources(),
resId);
int width = BitmapOrg.getWidth();
int height = BitmapOrg.getHeight();
int newWidth = w;
int newHeight = newWidth * height / width;
// calculate the scale
float scaleWidth = ((float) newWidth) / width;
float scaleHeight = ((float) newHeight) / height;
// create a matrix for the manipulation
Matrix matrix = new Matrix();
// resize the Bitmap
matrix.postScale(scaleWidth, scaleHeight);
// if you want to rotate the Bitmap
// matrix.postRotate(45);
// recreate the new Bitmap
Bitmap resizedBitmap = Bitmap.createBitmap(BitmapOrg, 0, 0,
width, height, matrix, true);
// make a Drawable from Bitmap to allow to set the Bitmap
// to the ImageView, ImageButton or what ever
return new BitmapDrawable(resizedBitmap);
}
}