Java tutorial
/* * Copyright (C) 2013 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 com.android.mail.utils; import android.database.DataSetObservable; import android.support.v4.util.SparseArrayCompat; public class ObservableSparseArrayCompat<E> extends SparseArrayCompat<E> { private final DataSetObservable mDataSetObservable; public ObservableSparseArrayCompat() { super(); mDataSetObservable = new DataSetObservable(); } public ObservableSparseArrayCompat(final int initialCapacity) { super(initialCapacity); mDataSetObservable = new DataSetObservable(); } public DataSetObservable getDataSetObservable() { return mDataSetObservable; } private void notifyChanged() { mDataSetObservable.notifyChanged(); } @Override public void append(final int key, final E value) { super.append(key, value); notifyChanged(); } @Override public void clear() { super.clear(); notifyChanged(); } @Override public void delete(final int key) { super.delete(key); notifyChanged(); } @Override public void put(final int key, final E value) { super.put(key, value); notifyChanged(); } @Override public void remove(final int key) { super.remove(key); notifyChanged(); } @Override public void removeAt(final int index) { super.removeAt(index); notifyChanged(); } @Override public void removeAtRange(final int index, final int size) { super.removeAtRange(index, size); notifyChanged(); } @Override public void setValueAt(final int index, final E value) { super.setValueAt(index, value); notifyChanged(); } }