Android examples for Graphics:Color Darken
create Darker Color ColorMatrixColorFilter
//package com.java2s; import android.graphics.ColorMatrixColorFilter; public class Main { public static ColorMatrixColorFilter createDarkerColorFilter( float darkRatio) { final float[] array = new float[] { darkRatio, 0, 0, 0, 0, 0, darkRatio, 0, 0, 0, 0, 0, darkRatio, 0, 0, 0, 0, 0, 1, 0 }; return new ColorMatrixColorFilter(array); }/*from w ww . ja v a 2 s.c o m*/ }