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 com.android.car.pm; 18 19 import android.accessibilityservice.AccessibilityService; 20 import android.view.accessibility.AccessibilityEvent; 21 22 import com.android.car.UpdatablePackageContext; 23 import com.android.car.UpdatablePackageDependency; 24 import com.android.car.internal.CarSafetyAccessibilityServiceImplBase; 25 26 import java.lang.reflect.Constructor; 27 28 /** Proxy for CarSafetyAccessibilityServiceImpl */ 29 public class CarSafetyAccessibilityService extends AccessibilityService { 30 private CarSafetyAccessibilityServiceImplBase mImpl; 31 32 @Override onAccessibilityEvent(AccessibilityEvent event)33 public void onAccessibilityEvent(AccessibilityEvent event) { 34 mImpl.onAccessibilityEvent(event); 35 } 36 37 @Override onInterrupt()38 public void onInterrupt() { 39 } 40 41 @Override onCreate()42 public void onCreate() { 43 UpdatablePackageContext updatablePackageContext = UpdatablePackageContext.create(this); 44 try { 45 Class implClass = updatablePackageContext.getClassLoader().loadClass( 46 UpdatablePackageDependency.CAR_ACCESSIBILITY_IMPL_CLASS); 47 // Use default constructor always 48 Constructor constructor = implClass.getConstructor(); 49 mImpl = (CarSafetyAccessibilityServiceImplBase) constructor.newInstance(); 50 } catch (Exception e) { 51 throw new RuntimeException("Cannot load impl class", e); 52 } 53 } 54 } 55