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Android example source code file (ContentObservable.java)
The ContentObservable.java Android example source code/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.database; /** * A specialization of Observable for ContentObserver that provides methods for * invoking the various callback methods of ContentObserver. */ public class ContentObservable extends Observable<ContentObserver> { @Override public void registerObserver(ContentObserver observer) { super.registerObserver(observer); } /** * invokes dispatchUpdate on each observer, unless the observer doesn't want * self-notifications and the update is from a self-notification * @param selfChange */ public void dispatchChange(boolean selfChange) { synchronized(mObservers) { for (ContentObserver observer : mObservers) { if (!selfChange || observer.deliverSelfNotifications()) { observer.dispatchChange(selfChange); } } } } /** * invokes onChange on each observer * @param selfChange */ public void notifyChange(boolean selfChange) { synchronized(mObservers) { for (ContentObserver observer : mObservers) { observer.onChange(selfChange); } } } } Other Android examples (source code examples)Here is a short list of links related to this Android ContentObservable.java source code file: |
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