Java tutorial
//package com.java2s; /* * Copyright 2012 Lars Werkman * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.graphics.Color; public class Main { /** * Concerts a String color (#ff882465) to an int color * * @throws NumberFormatException */ public static int convertToColorInt(String a, String r, String g, String b, boolean useAlpha) { int alpha = useAlpha ? Integer.parseInt(a, 16) : 0xff; int red = Integer.parseInt(r, 16); int green = Integer.parseInt(g, 16); int blue = Integer.parseInt(b, 16); return Color.argb(useAlpha ? alpha : -1, red, green, blue); } /** * Concerts a String color (#ff882465) to an int color * * @throws NumberFormatException */ public static int convertToColorInt(String argb, boolean useAlpha) throws NumberFormatException { if (argb.startsWith("#")) { argb = argb.replace("#", ""); } int alpha = -1, red = -1, green = -1, blue = -1; if (argb.length() == 8) { alpha = Integer.parseInt(argb.substring(0, 2), 16); red = Integer.parseInt(argb.substring(2, 4), 16); green = Integer.parseInt(argb.substring(4, 6), 16); blue = Integer.parseInt(argb.substring(6, 8), 16); } else if (argb.length() == 6) { alpha = 255; red = Integer.parseInt(argb.substring(0, 2), 16); green = Integer.parseInt(argb.substring(2, 4), 16); blue = Integer.parseInt(argb.substring(4, 6), 16); } return Color.argb(useAlpha ? alpha : -1, red, green, blue); } }