Java tutorial
//package com.java2s; import android.graphics.Color; public class Main { public static int saturate(int color, float saturation) { float[] hsv = new float[3]; Color.RGBToHSV(Color.red(color), Color.green(color), Color.blue(color), hsv); hsv[1] = saturation; return Color.HSVToColor(Color.alpha(color), hsv); } }