1 /* 2 * Copyright (C) 2021 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 android.car.builtin.app; 18 19 import android.annotation.SystemApi; 20 import android.car.builtin.annotation.AddedIn; 21 import android.car.builtin.annotation.PlatformVersion; 22 import android.car.builtin.util.Slogf; 23 import android.os.RemoteException; 24 import android.view.WindowManagerGlobal; 25 26 /** 27 * Wrapper class for {@code android.app.KeyguardManager}. Check the class for API documentation. 28 * 29 * @hide 30 */ 31 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) 32 public final class KeyguardManagerHelper { 33 34 private static final String TAG = "CAR.WM"; 35 36 /** 37 * Return whether the keyguard is currently locked. 38 * Note: CarService can't use KeyguardManager because KeyguardManager needs TrustManager and 39 * TrustService is disabled for User0. 40 * 41 * @return {@code true} if keyguard is locked. 42 */ 43 @AddedIn(PlatformVersion.TIRAMISU_0) isKeyguardLocked()44 public static boolean isKeyguardLocked() { 45 boolean locked = true; 46 try { 47 locked = WindowManagerGlobal.getWindowManagerService().isKeyguardLocked(); 48 } catch (RemoteException e) { 49 Slogf.w(TAG, "Failed to get Keyguard state", e); 50 } 51 return locked; 52 } 53 KeyguardManagerHelper()54 private KeyguardManagerHelper() { 55 throw new UnsupportedOperationException("contains only static members"); 56 } 57 } 58