1 /*
2  * Copyright (C) 2017 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.settingslib.development;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.os.Build;
22 import android.os.UserManager;
23 import android.provider.Settings;
24 import android.support.v4.content.LocalBroadcastManager;
25 
26 public class DevelopmentSettingsEnabler {
27 
28     public static final String DEVELOPMENT_SETTINGS_CHANGED_ACTION =
29             "com.android.settingslib.development.DevelopmentSettingsEnabler.SETTINGS_CHANGED";
30 
DevelopmentSettingsEnabler()31     private DevelopmentSettingsEnabler() {
32     }
33 
setDevelopmentSettingsEnabled(Context context, boolean enable)34     public static void setDevelopmentSettingsEnabled(Context context, boolean enable) {
35         Settings.Global.putInt(context.getContentResolver(),
36                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, enable ? 1 : 0);
37         LocalBroadcastManager.getInstance(context)
38                 .sendBroadcast(new Intent(DEVELOPMENT_SETTINGS_CHANGED_ACTION));
39     }
40 
isDevelopmentSettingsEnabled(Context context)41     public static boolean isDevelopmentSettingsEnabled(Context context) {
42         final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
43         final boolean settingEnabled = Settings.Global.getInt(context.getContentResolver(),
44                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED,
45                 Build.TYPE.equals("eng") ? 1 : 0) != 0;
46         final boolean hasRestriction = um.hasUserRestriction(
47                 UserManager.DISALLOW_DEBUGGING_FEATURES);
48         final boolean isAdminOrDemo = um.isAdminUser() || um.isDemoUser();
49         return isAdminOrDemo && !hasRestriction && settingEnabled;
50     }
51 }
52