Scale left/start, right/end, top, bottom drawables of EditText

Scale down drawable of EditText.java

 private Drawable getScaledDrawable(int drawableId){
        Drawable drawable = getResources().getDrawable(drawableId);
        drawable.setBounds(0, 0, (int) (drawable.getIntrinsicWidth() * 0.4),
                (int) (drawable.getIntrinsicHeight() * 0.4));
        return drawable;
    }
    
 /**
 * Scale down left drawable    
 * android:drawableLeft="@drawable/myIcon"
 * android:drawableStart="@drawable/myIcon"
 */
 myEditText.setCompoundDrawables(getScaledDrawable(), null, null, null);