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<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright (C) 2014 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.

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public class MovieDetailsFragment extends DetailsFragment implements Palette.PaletteAsyncListener {
    
    ...
    ArrayObjectAdapter mRecommendationsAdapter = new ArrayObjectAdapter(new MoviePresenter());
    ...

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ...

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public class MovieDetailsFragment extends DetailsFragment implements Palette.PaletteAsyncListener {

    // Add the adapter and use the newly created Presenter to define how to render the objects
    ArrayObjectAdapter mCastAdapter = new ArrayObjectAdapter(new PersonPresenter());

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        // Adds the adapter and fetches the data

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public class PersonPresenter extends Presenter {

    Context mContext;

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent) {

        if (mContext == null) {
            // We do this to avoid creating a new ContextThemeWrapper for each one of the cards
            // If we look inside the ImageCardView they warn us about the same this.

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<?xml version="1.0" encoding="utf-8"?>
<resources>
    ... 
    <style name="PersonCardTheme" parent="Theme.Leanback">
        <item name="imageCardViewImageStyle">@style/PersonCardViewStyle</item>
    </style>

    <style name="PersonCardViewStyle" parent="Widget.Leanback.ImageCardView.ImageStyle">
        <item name="android:layout_width">180dp</item>
        <item name="android:layout_height">250dp</item>

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public void bind(MovieDetails movie) {
        if (movie != null && movie.getTitle() != null) {
            
            ...

            int primaryDarkColor = ContextCompat.getColor(itemView.getContext(), R.color.primary_dark);

            if (movie.getPaletteColors() != null) {
                movieTitleTV.setTextColor(movie.getPaletteColors().getTitleColor());
                mOverviewLabelTV.setTextColor(movie.getPaletteColors().getTitleColor());

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@Override
public void onGenerated(Palette palette) {
    PaletteColors colors = PaletteUtils.getPaletteColors(palette);
    mFullWidthMovieDetailsPresenter.setActionsBackgroundColor(colors.getStatusBarColor());
    mFullWidthMovieDetailsPresenter.setBackgroundColor(colors.getToolbarBackgroundColor());
    if (movieDetails != null) {
        this.movieDetails.setPaletteColors(colors);
    }
    notifyDetailsChanged();
}

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public class MovieDetailsFragment extends DetailsFragment 
            implements Palette.PaletteAsyncListener  // Implement the PaletteAsyncListener {

    // Change this from FullWidthDetailsOverviewRowPresenter to use our Custom one.
    private CustomMovieDetailsPresenter mFullWidthMovieDetailsPresenter;

    /**
     * Sets up the adapter for this Fragment
     */
    private void setUpAdapter() {

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public class PaletteUtils {

    public static PaletteColors getPaletteColors(Palette palette) {
        PaletteColors colors = new PaletteColors();

        //figuring out toolbar palette color in order of preference
        if (palette.getDarkVibrantSwatch() != null) {
            colors.setToolbarBackgroundColor(palette.getDarkVibrantSwatch().getRgb());
            colors.setTextColor(palette.getDarkVibrantSwatch().getBodyTextColor());
            colors.setTitleColor(palette.getDarkVibrantSwatch().getTitleTextColor());

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@Override
protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) {
    super.onBindRowViewHolder(holder, item);
    FullWidthDetailsOverviewRowPresenter.ViewHolder vh = (FullWidthDetailsOverviewRowPresenter.ViewHolder) holder;
    View v = vh.getOverviewView();
    v.setBackgroundColor(getBackgroundColor());
    v.findViewById(android.support.v17.leanback.R.id.details_overview_actions_background)
            .setBackgroundColor(getActionsBackgroundColor());
}