Java tutorial
/* * Copyright (C) 2014 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.appdevper.mediaplayer.model; import android.media.MediaMetadata; import android.support.v4.media.MediaMetadataCompat; import android.text.TextUtils; /** * Holder class that encapsulates a MediaMetadata and allows the actual metadata to be modified * without requiring to rebuild the collections the metadata is in. */ public class MutableMediaMetadata { public MediaMetadataCompat metadata; public final String trackId; public MutableMediaMetadata(String trackId, MediaMetadataCompat metadata) { this.metadata = metadata; this.trackId = trackId; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (o == null || o.getClass() != MutableMediaMetadata.class) { return false; } MutableMediaMetadata that = (MutableMediaMetadata) o; return TextUtils.equals(trackId, that.trackId); } @Override public int hashCode() { return trackId.hashCode(); } }