IntentCompat.java revision 1935ed3af7c6545bc38adfdc6026d87a3249222f 
1/*
2 * Copyright (C) 2011 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 android.support.v4.content;
18
19/**
20 * Helper for accessing newer features in Intent.
21 */
22public class IntentCompat {
23
24    private IntentCompat() {
25        /* Hide constructor */
26    }
27
28    /**
29     * Broadcast Action: Resources for a set of packages (which were
30     * previously unavailable) are currently
31     * available since the media on which they exist is available.
32     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
33     * list of packages whose availability changed.
34     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
35     * list of uids of packages whose availability changed.
36     * Note that the
37     * packages in this list do <em>not</em> receive this broadcast.
38     * The specified set of packages are now available on the system.
39     * <p>Includes the following extras:
40     * <ul>
41     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
42     * whose resources(were previously unavailable) are currently available.
43     * {@link #EXTRA_CHANGED_UID_LIST} is the set of uids of the
44     * packages whose resources(were previously unavailable)
45     * are  currently available.
46     * </ul>
47     *
48     * <p class="note">This is a protected intent that can only be sent
49     * by the system.
50     */
51    public static final String ACTION_EXTERNAL_APPLICATIONS_AVAILABLE =
52        "android.intent.action.EXTERNAL_APPLICATIONS_AVAILABLE";
53
54    /**
55     * Broadcast Action: Resources for a set of packages are currently
56     * unavailable since the media on which they exist is unavailable.
57     * The extra data {@link #EXTRA_CHANGED_PACKAGE_LIST} contains a
58     * list of packages whose availability changed.
59     * The extra data {@link #EXTRA_CHANGED_UID_LIST} contains a
60     * list of uids of packages whose availability changed.
61     * The specified set of packages can no longer be
62     * launched and are practically unavailable on the system.
63     * <p>Inclues the following extras:
64     * <ul>
65     * <li> {@link #EXTRA_CHANGED_PACKAGE_LIST} is the set of packages
66     * whose resources are no longer available.
67     * {@link #EXTRA_CHANGED_UID_LIST} is the set of packages
68     * whose resources are no longer available.
69     * </ul>
70     *
71     * <p class="note">This is a protected intent that can only be sent
72     * by the system.
73     */
74    public static final String ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE =
75        "android.intent.action.EXTERNAL_APPLICATIONS_UNAVAILABLE";
76
77    /**
78     * This field is part of
79     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
80     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
81     * and contains a string array of all of the components that have changed.
82     */
83    public static final String EXTRA_CHANGED_PACKAGE_LIST =
84            "android.intent.extra.changed_package_list";
85
86    /**
87     * This field is part of
88     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_AVAILABLE},
89     * {@link android.content.Intent#ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE}
90     * and contains an integer array of uids of all of the components
91     * that have changed.
92     */
93    public static final String EXTRA_CHANGED_UID_LIST =
94            "android.intent.extra.changed_uid_list";
95}
96