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/*
* Copyright (C) 2015 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 android.support.v17.leanback.supportleanbackshowcase.app.cards;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.support.v17.leanback.app.BrowseFragment;
import android.support.v17.leanback.supportleanbackshowcase.R;
import android.support.v17.leanback.supportleanbackshowcase.app.details.DetailViewExampleActivity;
import android.support.v17.leanback.supportleanbackshowcase.app.details.DetailViewExampleFragment;
import android.support.v17.leanback.supportleanbackshowcase.app.details.ShadowRowPresenterSelector;
import android.support.v17.leanback.supportleanbackshowcase.cards.presenters.CardPresenterSelector;
import android.support.v17.leanback.supportleanbackshowcase.models.Card;
import android.support.v17.leanback.supportleanbackshowcase.models.CardRow;
import android.support.v17.leanback.supportleanbackshowcase.utils.CardListRow;
import android.support.v17.leanback.supportleanbackshowcase.utils.Utils;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.HeaderItem;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.ListRow;
import android.support.v17.leanback.widget.OnItemViewClickedListener;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.PresenterSelector;
import android.support.v17.leanback.widget.Row;
import android.support.v17.leanback.widget.RowPresenter;
import android.support.v17.leanback.widget.SearchOrbView;
import android.support.v4.app.ActivityOptionsCompat;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;
import com.google.gson.Gson;
/**
* This fragment will be shown when the "Card Examples" card is selected at the home menu. It will
* display multiple card types.
*/
public class CardExampleFragment extends BrowseFragment {
private ArrayObjectAdapter mRowsAdapter;
@Override public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setupUi();
setupRowAdapter();
}
private void setupUi() {
setHeadersState(HEADERS_ENABLED);
setHeadersTransitionOnBackEnabled(true);
setSearchAffordanceColors(
new SearchOrbView.Colors(getResources().getColor(R.color.search_color),
getResources().getColor(R.color.search_bright_color),
getResources().getColor(R.color.search_icon_color)));
setBrandColor(getResources().getColor(R.color.fastlane_background));
setTitle(getString(R.string.card_examples_title));
setOnSearchClickedListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getActivity(), getString(R.string.implement_search),
Toast.LENGTH_LONG).show();
}
});
setOnItemViewClickedListener(new OnItemViewClickedListener() {
@Override
public void onItemClicked(Presenter.ViewHolder viewHolder, Object item, RowPresenter.ViewHolder viewHolder1, Row row) {
if (!(item instanceof Card)) return;
if (!(viewHolder.view instanceof ImageCardView)) return;
ImageView imageView = ((ImageCardView) viewHolder.view).getMainImageView();
Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity(),
imageView, DetailViewExampleFragment.TRANSITION_NAME).toBundle();
Intent intent = new Intent(getActivity().getBaseContext(),
DetailViewExampleActivity.class);
Card card = (Card) item;
int imageResId = card.getLocalImageResourceId(getContext());
intent.putExtra(DetailViewExampleFragment.EXTRA_CARD, imageResId);
startActivity(intent, bundle);
}
});
prepareEntranceTransition();
}
private void setupRowAdapter() {
mRowsAdapter = new ArrayObjectAdapter(new ShadowRowPresenterSelector());
setAdapter(mRowsAdapter);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
createRows();
startEntranceTransition();
}
}, 500);
}
private void createRows() {
String json = Utils
.inputStreamToString(getResources().openRawResource(R.raw.cards_example));
CardRow[] rows = new Gson().fromJson(json, CardRow[].class);
for (CardRow row : rows) {
mRowsAdapter.add(createCardRow(row));
}
}
private ListRow createCardRow(final CardRow cardRow) {
// Build main row using the ImageCardViewPresenter.
PresenterSelector presenterSelector = new CardPresenterSelector(getActivity());
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(presenterSelector);
for (Card card : cardRow.getCards()) {
listRowAdapter.add(card);
}
HeaderItem header = new HeaderItem(cardRow.getTitle());
return new CardListRow(header, listRowAdapter, cardRow);
}
}
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