1 /*
2  * Copyright (C) 2015 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 package com.android.settingslib;
17 
18 import static android.os.UserManager.DISALLOW_CONFIG_TETHERING;
19 
20 import android.content.Context;
21 import android.net.ConnectivityManager;
22 import android.os.UserHandle;
23 
24 public class TetherUtil {
isTetherAvailable(Context context)25     public static boolean isTetherAvailable(Context context) {
26         final ConnectivityManager cm = context.getSystemService(ConnectivityManager.class);
27         final boolean tetherConfigDisallowed = RestrictedLockUtilsInternal
28                 .checkIfRestrictionEnforced(context, DISALLOW_CONFIG_TETHERING,
29                         UserHandle.myUserId()) != null;
30         final boolean hasBaseUserRestriction = RestrictedLockUtilsInternal.hasBaseUserRestriction(
31                 context, DISALLOW_CONFIG_TETHERING, UserHandle.myUserId());
32         return (cm.isTetheringSupported() || tetherConfigDisallowed) && !hasBaseUserRestriction;
33     }
34 }
35