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 
23 /**
24  * Interface for receiving notification when a child of this
25  * ViewGroup has been laid out.
26  */
27 public interface OnChildLaidOutListener {
28     /**
29      * Callback method to be invoked when a child of this ViewGroup has been
30      * added to the view hierarchy and has been laid out.
31      *
32      * @param parent   The ViewGroup where the layout happened.
33      * @param view     The view within the ViewGroup that was laid out.
34      * @param position The position of the view in the adapter.
35      * @param id       The id of the child.
36      */
onChildLaidOut(@onNull ViewGroup parent, @NonNull View view, int position, long id)37     void onChildLaidOut(@NonNull ViewGroup parent, @NonNull View view, int position, long id);
38 }
39