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 
17 package com.android.compatibility.common.preconditions;
18 
19 import android.app.KeyguardManager;
20 import android.content.Context;
21 import android.os.Build;
22 
23 /**
24  * ScreenLockHelper is used to check whether the device is protected by a locked screen.
25  */
26 public class ScreenLockHelper {
27 
28     /*
29      * This helper returns false for the Screen Lock set to 'Swipe' or 'None', as it seems there
30      * is no way to programmatically distinguish between the two.
31      */
isDeviceSecure(Context context)32     public static boolean isDeviceSecure(Context context) {
33         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
34             return true; // KeyguardManager.isDeviceSecure() added in M, skip this check
35         }
36         KeyguardManager km = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
37         return km.isDeviceSecure();
38     }
39 
40 }
41