Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Color; public class Main { public static Bitmap convert(float[] normals, int width, int height) { int[] pixels = new int[width * height]; for (int i = 0; i < width * height; i++) { pixels[i] = Color.rgb((int) normals[4 * i + 0], (int) normals[4 * i + 1], (int) normals[4 * i + 2]); } return Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888); } }