2 * Copyright (C) 2013 Koushik Dutta (@koush)
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.koushikdutta.superuser;
19 import java.lang.reflect.Method;
21 import android.annotation.SuppressLint;
22 import android.content.Context;
23 import android.content.pm.PackageInfo;
24 import android.content.pm.PackageManager;
25 import android.graphics.drawable.Drawable;
26 import android.os.UserManager;
28 import com.koushikdutta.superuser.util.ImageCache;
31 public static Drawable loadPackageIcon(Context context, String pn) {
33 PackageManager pm = context.getPackageManager();
34 PackageInfo pi = context.getPackageManager().getPackageInfo(pn, 0);
35 Drawable ret = ImageCache.getInstance().get(pn);
38 ImageCache.getInstance().put(pn, ret = pi.applicationInfo.loadIcon(pm));
41 catch (Exception ex) {
46 @SuppressLint("NewApi")
47 public static boolean supportsMultipleUsers(Context context) {
48 final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
50 Method supportsMultipleUsers = UserManager.class.getMethod("supportsMultipleUsers");
51 return (Boolean)supportsMultipleUsers.invoke(um);
53 catch (Exception ex) {
58 @SuppressLint("NewApi")
59 public static boolean isAdminUser(Context context) {
60 final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
62 Method getUserHandle = UserManager.class.getMethod("getUserHandle");
63 int userHandle = (Integer)getUserHandle.invoke(um);
64 return userHandle == 0;
66 catch (Exception ex) {