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 androidx.lifecycle; 18 19 import androidx.lifecycle.ClassesInfoCache.CallbackInfo; 20 import androidx.lifecycle.Lifecycle.Event; 21 22 /** 23 * An internal implementation of {@link GenericLifecycleObserver} that relies on reflection. 24 */ 25 class ReflectiveGenericLifecycleObserver implements GenericLifecycleObserver { 26 private final Object mWrapped; 27 private final CallbackInfo mInfo; 28 29 ReflectiveGenericLifecycleObserver(Object wrapped) { 30 mWrapped = wrapped; 31 mInfo = ClassesInfoCache.sInstance.getInfo(mWrapped.getClass()); 32 } 33 34 @Override 35 public void onStateChanged(LifecycleOwner source, Event event) { 36 mInfo.invokeCallbacks(source, event, mWrapped); 37 } 38 } 39
