FragmentViewHolder.java
/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.viewpager2.adapter;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import androidx.core.view.ViewCompat;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.RecyclerView.ViewHolder;
/**
* {@link ViewHolder} implementation for handling {@link Fragment}s. Used in
* {@link FragmentStateAdapter}.
*/
public final class FragmentViewHolder extends ViewHolder {
private FragmentViewHolder(FrameLayout container) {
super(container);
}
static FragmentViewHolder create(ViewGroup parent) {
FrameLayout container = new FrameLayout(parent.getContext());
container.setLayoutParams(
new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT));
container.setId(ViewCompat.generateViewId());
container.setSaveEnabled(false);
return new FragmentViewHolder(container);
}
FrameLayout getContainer() {
return (FrameLayout) itemView;
}
}