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CustomRowsFragment.java
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CustomRowsFragment.java
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package com.sgottard.tvdemoapp;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v17.leanback.app.RowsFragment;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.HeaderItem;
import android.support.v17.leanback.widget.ListRow;
import android.support.v17.leanback.widget.ListRowPresenter;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import java.util.Collections;
import java.util.List;
import java.util.Random;
/**
* Created by Sebastiano Gottardo on 08/11/14.
*/
public class CustomRowsFragment extends RowsFragment {
private final int NUM_ROWS = 5;
private final int NUM_COLS = 15;
private ArrayObjectAdapter rowsAdapter;
private CardPresenter cardPresenter;
// CustomHeadersFragment, scaled by 0.9 on a 1080p screen, is 600px wide.
// This is the corresponding dip size.
private static final int HEADERS_FRAGMENT_SCALE_SIZE = 300;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = super.onCreateView(inflater, container, savedInstanceState);
int marginOffset = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, HEADERS_FRAGMENT_SCALE_SIZE, getResources().getDisplayMetrics());
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) v.getLayoutParams();
params.rightMargin -= marginOffset;
v.setLayoutParams(params);
v.setBackgroundColor(getRandomColor());
return v;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
loadRows();
setCustomPadding();
}
private void loadRows() {
rowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
cardPresenter = new CardPresenter();
List<Movie> list = MovieList.setupMovies();
int i;
for (i = 0; i < NUM_ROWS; i++) {
if (i != 0) {
Collections.shuffle(list);
}
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
for (int j = 0; j < NUM_COLS; j++) {
listRowAdapter.add(list.get(j % 5));
}
HeaderItem header = new HeaderItem(i, MovieList.MOVIE_CATEGORY[i], null);
rowsAdapter.add(new ListRow(header, listRowAdapter));
}
setAdapter(rowsAdapter);
}
private void setCustomPadding() {
getView().setPadding(Utils.dpToPx(-24, getActivity()), Utils.dpToPx(128, getActivity()), Utils.dpToPx(48, getActivity()), 0);
}
private int getRandomColor() {
Random rnd = new Random();
return Color.argb(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
}
public void refresh() {
getView().setPadding(Utils.dpToPx(-24, getActivity()), Utils.dpToPx(128, getActivity()), Utils.dpToPx(300, getActivity()), 0);
}
}