Android examples for Graphics:Color Filter
ColorFilter for darker color
//package com.java2s; import android.graphics.ColorMatrixColorFilter; public class Main { public static ColorMatrixColorFilter createDarkerColorFilter( float aDarkRatio) { final float[] array = new float[] { aDarkRatio, 0, 0, 0, 0, 0, aDarkRatio, 0, 0, 0, 0, 0, aDarkRatio, 0, 0, 0, 0, 0, 1, 0 }; return new ColorMatrixColorFilter(array); }//from ww w .j a v a2s . c o m }