1 /*
2  * Copyright (C) 2007 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 
17 package android.view;
18 
19 import android.annotation.DrawableRes;
20 import android.annotation.StringRes;
21 import android.graphics.drawable.Drawable;
22 
23 /**
24  * Subclass of {@link Menu} for sub menus.
25  * <p>
26  * Sub menus do not support item icons, or nested sub menus.
27  *
28  * <div class="special reference">
29  * <h3>Developer Guides</h3>
30  * <p>For information about creating menus, read the
31  * <a href="{@docRoot}guide/topics/ui/menus.html">Menus</a> developer guide.</p>
32  * </div>
33  */
34 
35 public interface SubMenu extends Menu {
36     /**
37      * Sets the submenu header's title to the title given in <var>titleRes</var>
38      * resource identifier.
39      *
40      * @param titleRes The string resource identifier used for the title.
41      * @return This SubMenu so additional setters can be called.
42      */
setHeaderTitle(@tringRes int titleRes)43     public SubMenu setHeaderTitle(@StringRes int titleRes);
44 
45     /**
46      * Sets the submenu header's title to the title given in <var>title</var>.
47      *
48      * @param title The character sequence used for the title.
49      * @return This SubMenu so additional setters can be called.
50      */
setHeaderTitle(CharSequence title)51     public SubMenu setHeaderTitle(CharSequence title);
52 
53     /**
54      * Sets the submenu header's icon to the icon given in <var>iconRes</var>
55      * resource id.
56      *
57      * @param iconRes The resource identifier used for the icon.
58      * @return This SubMenu so additional setters can be called.
59      */
setHeaderIcon(@rawableRes int iconRes)60     public SubMenu setHeaderIcon(@DrawableRes int iconRes);
61 
62     /**
63      * Sets the submenu header's icon to the icon given in <var>icon</var>
64      * {@link Drawable}.
65      *
66      * @param icon The {@link Drawable} used for the icon.
67      * @return This SubMenu so additional setters can be called.
68      */
setHeaderIcon(Drawable icon)69     public SubMenu setHeaderIcon(Drawable icon);
70 
71     /**
72      * Sets the header of the submenu to the {@link View} given in
73      * <var>view</var>. This replaces the header title and icon (and those
74      * replace this).
75      *
76      * @param view The {@link View} used for the header.
77      * @return This SubMenu so additional setters can be called.
78      */
setHeaderView(View view)79     public SubMenu setHeaderView(View view);
80 
81     /**
82      * Clears the header of the submenu.
83      */
clearHeader()84     public void clearHeader();
85 
86     /**
87      * Change the icon associated with this submenu's item in its parent menu.
88      *
89      * @see MenuItem#setIcon(int)
90      * @param iconRes The new icon (as a resource ID) to be displayed.
91      * @return This SubMenu so additional setters can be called.
92      */
setIcon(@rawableRes int iconRes)93     public SubMenu setIcon(@DrawableRes int iconRes);
94 
95     /**
96      * Change the icon associated with this submenu's item in its parent menu.
97      *
98      * @see MenuItem#setIcon(Drawable)
99      * @param icon The new icon (as a Drawable) to be displayed.
100      * @return This SubMenu so additional setters can be called.
101      */
setIcon(Drawable icon)102     public SubMenu setIcon(Drawable icon);
103 
104     /**
105      * Gets the {@link MenuItem} that represents this submenu in the parent
106      * menu.  Use this for setting additional item attributes.
107      *
108      * @return The {@link MenuItem} that launches the submenu when invoked.
109      */
getItem()110     public MenuItem getItem();
111 }
112