blob: 94c163f41ab764eedd42d754fb41d36591115180 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright (C) 2009 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.camera;
import android.app.Activity;
import android.os.Bundle;
import java.util.ArrayList;
public class MonitoredActivity extends Activity {
private final ArrayList<LifeCycleListener> mListeners =
new ArrayList<LifeCycleListener>();
public static interface LifeCycleListener {
public void onActivityCreated(MonitoredActivity activity);
public void onActivityDestroyed(MonitoredActivity activity);
public void onActivityStarted(MonitoredActivity activity);
public void onActivityStopped(MonitoredActivity activity);
}
public static class LifeCycleAdapter implements LifeCycleListener {
public void onActivityCreated(MonitoredActivity activity) {
}
public void onActivityDestroyed(MonitoredActivity activity) {
}
public void onActivityStarted(MonitoredActivity activity) {
}
public void onActivityStopped(MonitoredActivity activity) {
}
}
public void addLifeCycleListener(LifeCycleListener listener) {
if (mListeners.contains(listener)) return;
mListeners.add(listener);
}
public void removeLifeCycleListener(LifeCycleListener listener) {
mListeners.remove(listener);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
for (LifeCycleListener listener : mListeners) {
listener.onActivityCreated(this);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
for (LifeCycleListener listener : mListeners) {
listener.onActivityDestroyed(this);
}
}
@Override
protected void onStart() {
super.onStart();
for (LifeCycleListener listener : mListeners) {
listener.onActivityStarted(this);
}
}
@Override
protected void onStop() {
super.onStop();
for (LifeCycleListener listener : mListeners) {
listener.onActivityStopped(this);
}
}
}
|
