1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.util; 18 19 import android.content.res.Resources; 20 import android.graphics.Bitmap; 21 import android.graphics.Canvas; 22 import android.graphics.PorterDuff.Mode; 23 import android.graphics.drawable.Drawable; 24 import android.os.UserHandle; 25 26 import com.android.internal.R; 27 28 /** 29 * Helper class that generates default user icons. 30 */ 31 public class UserIcons { 32 33 private static final int[] USER_ICON_COLORS = { 34 R.color.user_icon_1, 35 R.color.user_icon_2, 36 R.color.user_icon_3, 37 R.color.user_icon_4, 38 R.color.user_icon_5, 39 R.color.user_icon_6, 40 R.color.user_icon_7, 41 R.color.user_icon_8 42 }; 43 44 /** 45 * Converts a given drawable to a bitmap. 46 */ 47 public static Bitmap convertToBitmap(Drawable icon) { 48 if (icon == null) { 49 return null; 50 } 51 final int width = icon.getIntrinsicWidth(); 52 final int height = icon.getIntrinsicHeight(); 53 Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 54 Canvas canvas = new Canvas(bitmap); 55 icon.setBounds(0, 0, width, height); 56 icon.draw(canvas); 57 return bitmap; 58 } 59 60 /** 61 * Returns a default user icon for the given user. 62 * 63 * Note that for guest users, you should pass in {@code UserHandle.USER_NULL}. 64 * 65 * @param resources resources object to fetch user icon / color. 66 * @param userId the user id or {@code UserHandle.USER_NULL} for a non-user specific icon 67 * @param light whether we want a light icon (suitable for a dark background) 68 */ 69 public static Drawable getDefaultUserIcon(Resources resources, int userId, boolean light) { 70 int colorResId = light ? R.color.user_icon_default_white : R.color.user_icon_default_gray; 71 if (userId != UserHandle.USER_NULL) { 72 // Return colored icon instead 73 colorResId = USER_ICON_COLORS[userId % USER_ICON_COLORS.length]; 74 } 75 Drawable icon = resources.getDrawable(R.drawable.ic_account_circle, null).mutate(); 76 icon.setColorFilter(resources.getColor(colorResId, null), Mode.SRC_IN); 77 icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); 78 return icon; 79 } 80 } 81
