| /* |
| * 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 com.android.pump.ui; |
| |
| import android.util.SparseBooleanArray; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.UiThread; |
| import androidx.recyclerview.widget.RecyclerView.RecycledViewPool; |
| import androidx.recyclerview.widget.RecyclerView.ViewHolder; |
| |
| import com.android.pump.R; |
| |
| @UiThread |
| public class CustomRecycledViewPool extends RecycledViewPool { |
| private static final int MAX_VIEWS = 17; |
| |
| private final SparseBooleanArray mInitialized = new SparseBooleanArray(); |
| |
| public CustomRecycledViewPool() { |
| setMaxRecycledViews(R.layout.header, 1); |
| setMaxRecycledViews(R.layout.movie, MAX_VIEWS); |
| } |
| |
| @Override |
| public void setMaxRecycledViews(int viewType, int maxViews) { |
| super.setMaxRecycledViews(viewType, maxViews); |
| mInitialized.put(viewType, true); |
| } |
| |
| @Override |
| public void putRecycledView(@NonNull ViewHolder scrap) { |
| int viewType = scrap.getItemViewType(); |
| if (!mInitialized.get(viewType)) { |
| setMaxRecycledViews(viewType, MAX_VIEWS); |
| throw new IllegalArgumentException("Unknown view type"); // TODO tuning only -- remove this |
| } |
| super.putRecycledView(scrap); |
| } |
| } |