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MainFragment.java
/* * Copyright (c) 2017 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.example.android.assistantplayback; import android.os.Bundle; import android.support.v17.leanback.widget.ArrayObjectAdapter; import android.support.v17.leanback.widget.OnItemViewClickedListener; import android.support.v17.leanback.widget.Presenter; import android.support.v17.leanback.widget.Row; import android.support.v17.leanback.widget.RowPresenter; import android.support.v17.leanback.widget.VerticalGridPresenter; import com.example.android.assistantplayback.data.MockDatabase; import com.example.android.assistantplayback.model.Movie; /** Displays videos in a vertical grid. */ public final class MainFragment extends android.support.v17.leanback.app.VerticalGridFragment { private static final int NUM_COLUMNS = 3; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ArrayObjectAdapter mRowAdapter = new ArrayObjectAdapter(new VideoCardViewPresenter(getContext())); setAdapter(mRowAdapter); setTitle(getString(R.string.assistant_playback_videos)); setBadgeDrawable( getActivity().getResources().getDrawable(R.drawable.assistant_tv_banner, null)); VerticalGridPresenter gridPresenter = new VerticalGridPresenter(); gridPresenter.setNumberOfColumns(NUM_COLUMNS); setGridPresenter(gridPresenter); for (Movie movie : MockDatabase.getAllMovies()) { mRowAdapter.add(movie); } setOnItemViewClickedListener(new ItemViewClickedListener()); } private final class ItemViewClickedListener implements OnItemViewClickedListener { @Override public void onItemClicked( Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row) { Movie movie = (Movie) item; startActivity(VideoDetailsActivity.createIntent(getContext(), movie)); } } }