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recyclerView.getRecycledViewPool()
            .setMaxRecycledViews(INT_VIEW_TYPE, INT_MAX_POOL_CAPACITY);

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RecyclerView.RecycledViewPool viewPool;

public OuterRecyclerViewAdapter(List<Item> items) {
    //получаем пул для внешнего списка
    viewPool = new RecyclerView.RecycledViewPool();
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    //для каждого вложенного списка задаем пул

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LinearLayoutManager.setInitialPrefetchItemCount(N);

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LinearLayoutManager.setInitialPrefetchItemCount(4);

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compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.facebook.android:facebook-android-sdk:4.28.0'

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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="center_horizontal"
    tools:context="io.github.ziginsider.facebooksdkdemo.MainActivity">

    <LinearLayout

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<uses-permission android:name="android.permission.INTERNET"/>

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<meta-data android:name="com.facebook.sdk.ApplicationId"
            android:value="@string/facebook_app_id" />

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<string name="facebook_app_id">add late</string>
<string name="facebook_login_protocol_scheme">add late</string>

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...
public final String TAG = this.getClass().getSimpleName();

protected void onCreate(Bundle savedInstanceState) {
    ...

    printKeyHash();
}

private void printKeyHash() {