1 /*
2  * Copyright 2021 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 package androidx.leanback.widget;
17 
18 import android.view.View;
19 import android.view.ViewGroup;
20 
21 import org.jspecify.annotations.NonNull;
22 import org.jspecify.annotations.Nullable;
23 
24 /**
25  * Interface for receiving notification when a child of this
26  * ViewGroup has been selected.
27  *
28  * @deprecated Use {@link OnChildViewHolderSelectedListener}
29  */
30 @Deprecated
31 public interface OnChildSelectedListener {
32     /**
33      * Callback method to be invoked when a child of this ViewGroup has been
34      * selected.
35      *
36      * @param parent   The ViewGroup where the selection happened.
37      * @param view     The view within the ViewGroup that is selected, or null if no
38      *                 view is selected.
39      * @param position The position of the view in the adapter, or NO_POSITION
40      *                 if no view is selected.
41      * @param id       The id of the child that is selected, or NO_ID if no view is
42      *                 selected.
43      */
onChildSelected(@onNull ViewGroup parent, @Nullable View view, int position, long id)44     void onChildSelected(@NonNull ViewGroup parent, @Nullable View view, int position, long id);
45 }
46