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      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.app.Activity;
     22 import android.graphics.drawable.Drawable;
     23 import android.widget.AdapterView;
     24 
     25 /**
     26  * Extension of {@link Menu} for context menus providing functionality to modify
     27  * the header of the context menu.
     28  * <p>
     29  * Context menus do not support item shortcuts and item icons.
     30  * <p>
     31  * To show a context menu on long click, most clients will want to call
     32  * {@link Activity#registerForContextMenu} and override
     33  * {@link Activity#onCreateContextMenu}.
     34  *
     35  * <div class="special reference">
     36  * <h3>Developer Guides</h3>
     37  * <p>For information about creating menus, read the
     38  * <a href="{@docRoot}guide/topics/ui/menus.html">Menus</a> developer guide.</p>
     39  * </div>
     40  */
     41 public interface ContextMenu extends Menu {
     42     /**
     43      * Sets the context menu header's title to the title given in <var>titleRes</var>
     44      * resource identifier.
     45      *
     46      * @param titleRes The string resource identifier used for the title.
     47      * @return This ContextMenu so additional setters can be called.
     48      */
     49     public ContextMenu setHeaderTitle(@StringRes int titleRes);
     50 
     51     /**
     52      * Sets the context menu header's title to the title given in <var>title</var>.
     53      *
     54      * @param title The character sequence used for the title.
     55      * @return This ContextMenu so additional setters can be called.
     56      */
     57     public ContextMenu setHeaderTitle(CharSequence title);
     58 
     59     /**
     60      * Sets the context menu header's icon to the icon given in <var>iconRes</var>
     61      * resource id.
     62      *
     63      * @param iconRes The resource identifier used for the icon.
     64      * @return This ContextMenu so additional setters can be called.
     65      */
     66     public ContextMenu setHeaderIcon(@DrawableRes int iconRes);
     67 
     68     /**
     69      * Sets the context menu header's icon to the icon given in <var>icon</var>
     70      * {@link Drawable}.
     71      *
     72      * @param icon The {@link Drawable} used for the icon.
     73      * @return This ContextMenu so additional setters can be called.
     74      */
     75     public ContextMenu setHeaderIcon(Drawable icon);
     76 
     77     /**
     78      * Sets the header of the context menu to the {@link View} given in
     79      * <var>view</var>. This replaces the header title and icon (and those
     80      * replace this).
     81      *
     82      * @param view The {@link View} used for the header.
     83      * @return This ContextMenu so additional setters can be called.
     84      */
     85     public ContextMenu setHeaderView(View view);
     86 
     87     /**
     88      * Clears the header of the context menu.
     89      */
     90     public void clearHeader();
     91 
     92     /**
     93      * Additional information regarding the creation of the context menu.  For example,
     94      * {@link AdapterView}s use this to pass the exact item position within the adapter
     95      * that initiated the context menu.
     96      */
     97     public interface ContextMenuInfo {
     98     }
     99 }
    100