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 android.car.content.pm; 17 18 import android.annotation.SystemApi; 19 import android.app.Service; 20 import android.car.Car; 21 import android.car.annotation.AddedInOrBefore; 22 import android.content.Intent; 23 import android.os.Handler; 24 import android.os.IBinder; 25 import android.os.RemoteException; 26 import android.util.Log; 27 28 /** 29 * Service to be implemented by Service which wants to control app blocking policy. 30 * App should require android.car.permission.CONTROL_APP_BLOCKING to launch Service 31 * implementation. Additionally the APK should have the permission to be launched by Car Service. 32 * The implementing service should declare {@link #SERVICE_INTERFACE} in its intent filter as 33 * action. 34 * @hide 35 */ 36 @SystemApi 37 public abstract class CarAppBlockingPolicyService extends Service { 38 39 private static final String TAG = CarAppBlockingPolicyService.class.getSimpleName(); 40 41 @AddedInOrBefore(majorVersion = 33) 42 public static final String SERVICE_INTERFACE = 43 "android.car.content.pm.CarAppBlockingPolicyService"; 44 45 private final ICarAppBlockingPolicyImpl mBinder = new ICarAppBlockingPolicyImpl(); 46 private Handler mHandler; 47 48 /** 49 * Return the app blocking policy. This is called from binder thread. 50 * @return 51 */ 52 @AddedInOrBefore(majorVersion = 33) getAppBlockingPolicy()53 protected abstract CarAppBlockingPolicy getAppBlockingPolicy(); 54 55 @Override 56 @AddedInOrBefore(majorVersion = 33) onStartCommand(Intent intent, int flags, int startId)57 public int onStartCommand(Intent intent, int flags, int startId) { 58 return START_STICKY; 59 } 60 61 @Override 62 @AddedInOrBefore(majorVersion = 33) onBind(Intent intent)63 public IBinder onBind(Intent intent) { 64 Log.i(TAG, "onBind"); 65 return mBinder; 66 } 67 68 @Override 69 @AddedInOrBefore(majorVersion = 33) onUnbind(Intent intent)70 public boolean onUnbind(Intent intent) { 71 Log.i(TAG, "onUnbind"); 72 stopSelf(); 73 return false; 74 } 75 76 77 private class ICarAppBlockingPolicyImpl extends ICarAppBlockingPolicy.Stub { 78 79 @Override setAppBlockingPolicySetter(ICarAppBlockingPolicySetter setter)80 public void setAppBlockingPolicySetter(ICarAppBlockingPolicySetter setter) { 81 Log.i(TAG, "setAppBlockingPolicySetter will set policy"); 82 CarAppBlockingPolicy policy = CarAppBlockingPolicyService.this.getAppBlockingPolicy(); 83 try { 84 setter.setAppBlockingPolicy(policy); 85 } catch (RemoteException e) { 86 Car.handleRemoteExceptionFromCarService(CarAppBlockingPolicyService.this, e); 87 } 88 } 89 } 90 } 91