Android Open Source - BuildingForAndroidTV T V Search Fragment

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License

The source code is released under:

MIT License

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Java Source Code

package com.sgottard.tvdemoapp;
/*from w w w .  jav a 2s . co m*/
import android.os.Bundle;
import android.os.Handler;
import android.support.v17.leanback.app.SearchFragment;
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.support.v17.leanback.widget.ObjectAdapter;
import android.support.v17.leanback.widget.OnItemClickedListener;
import android.support.v17.leanback.widget.Row;
import android.text.TextUtils;

/**
 * Created by Sebastiano Gottardo on 19/10/14.
 */
public class TVSearchFragment extends SearchFragment implements SearchFragment.SearchResultProvider {

  private static final int SEARCH_DELAY_MS = 300;
  private ArrayObjectAdapter mRowsAdapter;
  private Handler mHandler = new Handler();
  private SearchRunnable mDelayedLoad;

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

    mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
    setSearchResultProvider(this);
    setOnItemClickedListener(getDefaultItemClickedListener());
    mDelayedLoad = new SearchRunnable();
  }

  @Override
  public ObjectAdapter getResultsAdapter() {
    return mRowsAdapter;
  }

  @Override
  public boolean onQueryTextChange(String newQuery) {
    mRowsAdapter.clear();
    if (!TextUtils.isEmpty(newQuery)) {
      mDelayedLoad.setSearchQuery(newQuery);
      mHandler.removeCallbacks(mDelayedLoad);
      mHandler.postDelayed(mDelayedLoad, SEARCH_DELAY_MS);
    }
    return true;
  }

  @Override
  public boolean onQueryTextSubmit(String query) {
    mRowsAdapter.clear();
    if (!TextUtils.isEmpty(query)) {
      mDelayedLoad.setSearchQuery(query);
      mHandler.removeCallbacks(mDelayedLoad);
      mHandler.postDelayed(mDelayedLoad, SEARCH_DELAY_MS);
    }
    return true;
  }

  private OnItemClickedListener getDefaultItemClickedListener() {
    return new OnItemClickedListener() {
      @Override
      public void onItemClicked(Object o, Row row) {
        Utils.showToast(getActivity(), "Do something");
      }
    };
  }

  private class SearchRunnable implements Runnable {

    // we won't use it
    private String query;

    public void setSearchQuery(String query) {
      this.query = query;
    }

    @Override
    public void run() {
      // you should fetch your data here and update the adapter
      // accordingly
      mRowsAdapter.clear();
      ArrayObjectAdapter adapter = new ArrayObjectAdapter(new CardPresenter());
      adapter.addAll(0, MovieList.list);
      HeaderItem header = new HeaderItem(0, getResources().getString(R.string.search_results), null);
      mRowsAdapter.add(new ListRow(header, adapter));
    }
  }

}

Java Source Code List