ActivityChangedEvent.java revision 3b0224dc3c2e7ffb93dc56970395003d0e387545 
1/*
2 * Copyright (C) 2014 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
17package com.android.location.provider;
18
19import android.annotation.NonNull;
20
21import java.security.InvalidParameterException;
22import java.util.List;
23
24/**
25 * A class representing an event for Activity changes.
26 */
27public class ActivityChangedEvent {
28    private final List<ActivityRecognitionEvent> mActivityRecognitionEvents;
29
30    public ActivityChangedEvent(List<ActivityRecognitionEvent> activityRecognitionEvents) {
31        if (activityRecognitionEvents == null) {
32            throw new InvalidParameterException(
33                    "Parameter 'activityRecognitionEvents' must not be null.");
34        }
35
36        mActivityRecognitionEvents = activityRecognitionEvents;
37    }
38
39    @NonNull
40    public Iterable<ActivityRecognitionEvent> getActivityRecognitionEvents() {
41        return mActivityRecognitionEvents;
42    }
43
44    @Override
45    public String toString() {
46        StringBuilder builder = new StringBuilder("[ ActivityChangedEvent:");
47
48        for (ActivityRecognitionEvent event : mActivityRecognitionEvents) {
49            builder.append("\n    ");
50            builder.append(event.toString());
51        }
52        builder.append("\n]");
53
54        return builder.toString();
55    }
56}
57