Android Open Source - GoogleGlass-XE16-LowFrequencyLiveCardBasketballScore Live Card Service

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From Project

Back to project page GoogleGlass-XE16-LowFrequencyLiveCardBasketballScore.

License

The source code is released under:

Apache License

Java Source Code

package com.digitalconstruction.LowFrequencyLiveCardBasketballScore;
/*w w  w  . j a  v a2 s  .com*/
import java.util.Random;

import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.widget.RemoteViews;

import com.google.android.glass.timeline.LiveCard;
import com.google.android.glass.timeline.LiveCard.PublishMode;

public class LiveCardService extends Service {

  private static final String LIVE_CARD_TAG = "LiveCardDemo";

  private LiveCard mLiveCard;
  private RemoteViews mLiveCardView;

  private int homeScore, awayScore;
  private Random mPointsGenerator;

  private final Handler mHandler = new Handler();
  private final UpdateLiveCardRunnable mUpdateLiveCardRunnable = new UpdateLiveCardRunnable();
  private static final long DELAY_MILLIS = 30000;

  @Override
  public void onCreate() {
    super.onCreate();
    mPointsGenerator = new Random();
  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    if (mLiveCard == null) {

      // Get an instance of a live card
      mLiveCard = new LiveCard(this, LIVE_CARD_TAG);

      // Inflate a layout into a remote view
      mLiveCardView = new RemoteViews(getPackageName(),
          R.layout.basketball_score);

      // Set up initial RemoteViews values
      homeScore = 0;
      awayScore = 0;
      mLiveCardView.setTextViewText(R.id.home_team_name_text_view,
          getString(R.string.home_team));
      mLiveCardView.setTextViewText(R.id.away_team_name_text_view,
          getString(R.string.away_team));
      mLiveCardView.setTextViewText(R.id.footer_text,
          getString(R.string.game_quarter));

      // Set up the live card's action with a pending intent
      // to show a menu when tapped
      Intent menuIntent = new Intent(this, MenuActivity.class);
      menuIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
          | Intent.FLAG_ACTIVITY_CLEAR_TASK);
      mLiveCard.setAction(PendingIntent.getActivity(this, 0, menuIntent,
          0));

      // Publish the live card
      mLiveCard.publish(PublishMode.REVEAL);

      // Queue the update text runnable
      mHandler.post(mUpdateLiveCardRunnable);
    }
    return START_STICKY;
  }

  @Override
  public void onDestroy() {
    if (mLiveCard != null && mLiveCard.isPublished()) {
      // Stop the handler from queuing more Runnable jobs
      mUpdateLiveCardRunnable.setStop(true);

      mLiveCard.unpublish();
      mLiveCard = null;
    }
    super.onDestroy();
  }

  /**
   * Runnable that updates live card contents
   */
  private class UpdateLiveCardRunnable implements Runnable {

    private boolean mIsStopped = false;

    /*
     * Updates the card with a fake score every 30 seconds as a
     * demonstration. You also probably want to display something useful in
     * your live card.
     * 
     * If you are executing a long running task to get data to update a live
     * card(e.g, making a web call), do this in another thread or AsyncTask.
     */
    public void run() {
      if (!isStopped()) {
        
        // Generate fake points.
        homeScore = mPointsGenerator.nextInt(120);
        awayScore = homeScore - (homeScore/10); //Celtics should be ahead by 10%, Larry Legend forever!

        // Update the remote view with the new scores.
        mLiveCardView.setTextViewText(R.id.home_score_text_view,
            String.valueOf(homeScore));
        mLiveCardView.setTextViewText(R.id.away_score_text_view,
            String.valueOf(awayScore));

        // Always call setViews() to update the live card's RemoteViews.
        mLiveCard.setViews(mLiveCardView);

        // Queue another score update in 30 seconds.
        mHandler.postDelayed(mUpdateLiveCardRunnable, DELAY_MILLIS);
      }
    }

    public boolean isStopped() {
      return mIsStopped;
    }

    public void setStop(boolean isStopped) {
      this.mIsStopped = isStopped;
    }
  }

  @Override
  public IBinder onBind(Intent intent) {
    /*
     * If you need to set up interprocess communication (activity to a
     * service, for instance), return a binder object so that the client can
     * receive and modify data in this service.
     * 
     * A typical use is to give a menu activity access to a binder object if
     * it is trying to change a setting that is managed by the live card
     * service. The menu activity in this sample does not require any of
     * these capabilities, so this just returns null.
     */
    return null;
  }
}

Java Source Code List

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