Android examples for Graphics:Create Color
create Night Color ColorMatrixColorFilter
//package com.java2s; import android.graphics.ColorMatrixColorFilter; public class Main { private static final float DEFUALT_NIGHT_DARK_RATIO = 0.5f; public static ColorMatrixColorFilter createNightColorFilter() { return createDarkerColorFilter(DEFUALT_NIGHT_DARK_RATIO); }//w w w . ja v a2s . c o m 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); } }