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• Elacarte Presto Tablets

  14 mars 2013, par Multimedia Mike — General

  I visited an Applebee’s restaurant this past weekend. The first thing I spied was a family at a table with what looked like a 7-inch tablet. It’s not an uncommon sight. However, as I moved through the restaurant, I noticed that every single table was equipped with such a tablet. It looked like this :

  
  
  

  For a computer nerd like me, you could probably guess that I was be far more interested in this gadget than the cuisine. The thing said “Presto” on the front and “Elacarte” on the back. Putting this together, we get the website of Elacarte, the purveyors of this restaurant tablet technology. Months after the iPad was released on 2010, I remember stories about high-end restaurants showing their wine list via iPads. This tablet goes well beyond that.

  How was it ? Well, confusing, mostly. The hostess told us we could order through the tablet or through her. Since we already knew what we wanted, she just manually took our order and presumably entered it into the system. So, right away, the question is : Do we order through a human or through a computer ? Or a combination ? Do we have to use the tablet if we don’t want to ?

  Hardware
  When picking up the tablet, it’s hard not to notice that it is very heavy. At first, I suspected that it was deliberately weighted down as some minor attempt at an anti-theft measure. But then I remembered what I know about power budgets of phones and tablets– powering the screen accounts for much of the battery usage. I realized that this device needs to drive the screen for about 14 continuous hours each day. I.e., the weight must come from a massive battery.

  The screen is good. It’s a capacitive touchscreen, so nice and responsive. When I first spied the device, I felt certain it would be a resistive touchscreen (which is more accurately called a touch-and-press-down screen). There is an AC adapter on the side of the tablet. This is the only interface to the device :

  
  
  

  That looks to me like an internal SATA connector (different from an eSATA connector). Foolishly, I didn’t have a SATA cable on me so I couldn’t verify.

  User Interface
  The interface options are : Order, Games, Neighborhood, and Pay. One big benefit of accessing the menu through the Order option is that each menu item can have a picture. For people who order more by picture than text description, this is useful. Rather, it would be, if more items had pictures. I’m not sure there were more pictures than seen in the print menu.
  
  For Games, there were a variety of party games. The interface clearly stated that we got to play 2 free games. This implied to me that further games cost money. We tried one game briefly and the food came.

  2 more options : Neighborhood– I know I dug into this option, but I forget what it was. Maybe it discussed local attractions. Finally, Pay. This thing has an integrated credit card reader. There is no integrated printer, though, so if you want one, you will have to request one from a human.

  Experience
  So we ordered through a human since we didn’t feel like being thrust into this new paradigm when we just wanted lunch. The staff was obviously amenable to that. However, I got a chance to ask them a lot of questions about the particulars. Apparently, they have had this system for about 5 months. It was confirmed that the tablets do, in fact, have gargantuan batteries that have to last through the restaurant’s entire business hours. Do they need to be charged every night ? Yes, they do. But how ? The staff described this several large charging blocks with many cables sprouting out. Reportedly, some units still don’t make it through the entire day.

  When it was time to pay, I pressed the Pay button on the interface. The bill I saw had nothing in common with what we ordered (actually, it was cheaper, so perhaps I should have just accepted it). But I pointed it out to a human and they said that this happens sometimes. So they manually printed my bill. There was a dollar charge for the game that was supposed to be free. I pointed this out and they removed it. It’s minor, I know, but it’s still worth trying to work out these bugs.

  One of the staff also described how a restaurant doesn’t need to employ as many people thanks to the tablet. She gave a nervous, awkward, self-conscious laugh when she said this. All I could think of was this Dilbert comic strip in which the boss realizes that his smartphone could perform certain key functions previously handled by his assistant.

  Not A New Idea
  Some people might think this is a totally new concept. It’s not. I was immediately reminded of my university days in Boulder, Colorado, USA, circa 1997. The local Taco Bell and Arby’s restaurants both had touchscreen ordering kiosks. Step up, interact with the (probably resistive) touchscreen, get a number, and step to the counter to change money, get your food, and probably clarify your order because there is only so much that can be handled through a touchscreen.

  What I also remember is when they tore out those ordering kiosks, also circa 1997. I don’t know the exact reason. Maybe people didn’t like them. Maybe there were maintenance costs that made them not worth the hassle.

  Then there are the widespread self-checkout lanes in grocery stores. Personally, I like those, though I know many don’t. However, this restaurant tablet thing hasn’t won me over yet. What’s the difference ? Perhaps that automated lanes at grocery stores require zero external assistance– at least, if you do everything correctly. Personally, I work well with these lanes because I can pretty much guess the constraints of the system and I am careful not to confuse the computer in any way. Until they deploy serving droids, or at least food conveyors, there still needs to be some human interaction and I think the division between the human and computer roles is unintuitive in the restaurant case.

  I don’t really care to return to the same restaurant. I’ll likely avoid any other restaurant that has these tablets. For some reason, I think I’m probably supposed to be the ideal consumer of this concept. But the idea will probably perform all right anyway. Elacarte’s website has plenty of graphs demonstrating that deploying these tablets is extremely profitable.

• Android FFmpegPlayer Streaming Service onClick notification

  8 octobre 2013, par agony

  I have a MainActivity class that displays the list of streams available for my project and the StreamingActivity class where the streaming is done.

  If the user selected an item from the list it will start the StreamingActivity and start playing the stream.
  I'm having trouble to continue streaming music when the user pressed the notification and returning it to the StreamingActivity class if the user pressed or clicked the home menu or when the app goes to onDestroy().

  I'm using FFmpegPlayer for my project 'coz it requires to play mms :// live streams for local FM station.

  Here's my code :

  public class StreamingActivity extends BaseActivity  implements ActionBar.TabListener,
  
  PlayerControlListener, IMediaPlayerServiceClient {
  
  
  
  
  
  private StatefulMediaPlayer mMediaPlayer;
  
  private FFmpegService mService;
  
  private boolean mBound;
  
  
  
  public static final String TAG = "StationActivity";
  
  
  
  private static Bundle mSavedInstanceState;
  
  
  
  private static PlayerFragment mPlayerFragment;
  
  private static DJListFragment mDjListFragment;
  
  
  
  private SectionsPagerAdapter mSectionsPagerAdapter;
  
  private ViewPager mViewPager;
  
  
  
  private String stream = "";
  
  private String fhz = "";
  
  private String page = "0";
  
  
  
  private Dialog shareDialog;
  
      private ProgressDialog dialog;
  
  
  
  private boolean isStreaming;
  
  
  
  
  
  /*************************************************************************************************************/
  
  
  
  @Override
  
  public void onCreate(Bundle savedInstanceState){
  
      super.onCreate(savedInstanceState);
  
      setContentView(R.layout.activity_station);
  
  
  
      Bundle bundle = getIntent().getExtras();
  
      if(bundle !=null){
  
          fhz = bundle.getString("fhz");
  
          stream = bundle.getString("stream");
  
      } 
  
  
  
      Log.d(TAG, "page: " + page + " fhz: " + fhz + " stream: " + stream + " isStreaming: " + isStreaming);
  
  
  
      getSupportActionBar().setTitle("Radio \n" + fhz);
  
      getSupportActionBar().setDisplayHomeAsUpEnabled(true);
  
      getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
  
  
  
      mPlayerFragment = (PlayerFragment) Fragment.instantiate(this, PlayerFragment.class.getName(), null);
  
      mDjListFragment = (DJListFragment) Fragment.instantiate(this, DJListFragment.class.getName(), null);
  
  
  
      mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
  
  
  
      mViewPager = (ViewPager) findViewById(R.id.pager);
  
      mViewPager.setAdapter(mSectionsPagerAdapter);
  
      mViewPager.setCurrentItem(Integer.parseInt(page));
  
  
  
      mSavedInstanceState = savedInstanceState;
  
  
  
      Tab playingTab = getSupportActionBar().newTab();
  
      playingTab.setText(getString(R.string.playing_label));
  
      playingTab.setTabListener(this);
  
  
  
      Tab djTab = getSupportActionBar().newTab();
  
      djTab.setText(getString(R.string.dj_label));
  
      djTab.setTabListener(this);
  
  
  
      getSupportActionBar().addTab(playingTab);
  
      getSupportActionBar().addTab(djTab);
  
  
  
      // When swiping between different sections, select the corresponding
  
      // tab. We can also use ActionBar.Tab#select() to do this if we have
  
      // a reference to the Tab.
  
      mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
  
          @Override
  
          public void onPageSelected(int position) {
  
              StationActivity.this.getSupportActionBar().setSelectedNavigationItem(position);
  
          }
  
      });
  
  
  
      if (mSavedInstanceState != null) {
  
          getSupportActionBar().setSelectedNavigationItem(mSavedInstanceState.getInt("tab", 0));
  
      }
  
  
  
      dialog = new ProgressDialog(this);
  
  
  
      bindToService();
  
  
  
      UriBean.getInstance().setStream(stream);
  
      Log.d(TAG ,"stream: " + UriBean.getInstance().getStream());
  
  
  
  }
  
  
  
  /********************************************************************************************************/
  
  
  
  public class SectionsPagerAdapter extends FragmentPagerAdapter {
  
      public SectionsPagerAdapter(FragmentManager fm) {
  
          super(fm);
  
      }
  
  
  
      @Override
  
      public Fragment getItem(int position) {
  
          if (position == 0) {
  
              return mPlayerFragment;
  
          } else {
  
              return mDjListFragment;
  
          }
  
      }
  
  
  
      @Override
  
      public int getCount() {
  
          return 2;
  
      }
  
  }
  
  
  
  @Override
  
  public void onTabSelected(Tab tab, FragmentTransaction ft) {
  
      // When the given tab is selected, switch to the corresponding page in the ViewPager.
  
      mViewPager.setCurrentItem(tab.getPosition());
  
  }
  
  
  
  @Override
  
  public void onTabUnselected(Tab tab, FragmentTransaction ft) { }
  
  
  
  @Override
  
  public void onTabReselected(Tab tab, FragmentTransaction ft) { }
  
  
  
  /********************************************************************************************************/
  
  
  
  public void showLoadingDialog() {
  
      dialog.setMessage("Buffering...");
  
      dialog.show();
  
  }
  
  
  
  public void dismissLoadingDialog() {
  
      dialog.dismiss();
  
  }
  
  
  
  /********************************************************************************************************/
  
  
  
  /**
  
   * Binds to the instance of MediaPlayerService. If no instance of MediaPlayerService exists, it first starts
  
   * a new instance of the service.
  
   */
  
  public void bindToService() {
  
      Intent intent = new Intent(this, FFmpegService.class);
  
  
  
      if (Util.isFFmpegServiceRunning(getApplicationContext())){
  
          // Bind to Service
  
          Log.i(TAG, "bindService");
  
          bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
  
      } else {
  
          //start service and bind to it
  
          Log.i(TAG, "startService & bindService");
  
          startService(intent);
  
          bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
  
      }
  
  }
  
  
  
  
  
  /** 
  
   * Defines callbacks for service binding, passed to bindService()
  
   */
  
  private ServiceConnection mConnection = new ServiceConnection() {
  
      @Override
  
      public void onServiceConnected(ComponentName className, IBinder serviceBinder) {
  
          Log.d(TAG,"service connected");
  
  
  
          //bound with Service. get Service instance
  
          MediaPlayerBinder binder = (FFmpegService.MediaPlayerBinder) serviceBinder;
  
          mService = binder.getService();
  
  
  
          //send this instance to the service, so it can make callbacks on this instance as a client
  
          mService.setClient(StationActivity.this);
  
          mBound = true;
  
  
  
          Log.d(TAG, "isPlaying === SERVICE: " + mService.isPlaying());
  
  
  
          //if
  
  
  
          startStreaming();
  
      }
  
  
  
      @Override
  
      public void onServiceDisconnected(ComponentName arg0) {
  
          mBound = false;
  
          mService = null;
  
      }
  
  };
  
  
  
  /********************************************************************************************************/
  
  
  
  @Override
  
  public void onPlayerPlayStop() {
  
      Log.d(TAG, "onPlayerPlayStop");
  
  
  
      Log.v(TAG, "isStreaming: " + isStreaming);
  
      Log.v(TAG, "mBound:  " + mBound);
  
  
  
      if (mBound) {
  
          Log.d(TAG, "bound.............");
  
          mMediaPlayer = mService.getMediaPlayer();
  
          //pressed pause ->pause
  
          if (!PlayerFragment.play.isChecked()) {
  
              if (mMediaPlayer.isStarted()) {
  
                  Log.d(TAG, "pause");
  
                  mService.pauseMediaPlayer();
  
              }
  
          } else { //pressed play
  
              // STOPPED, CREATED, EMPTY, -> initialize
  
              if (mMediaPlayer.isStopped() || mMediaPlayer.isCreated() || mMediaPlayer.isEmpty()) {
  
                  startStreaming();
  
              } else if (mMediaPlayer.isPrepared() || mMediaPlayer.isPaused()) { //prepared, paused -> resume play
  
                  Log.d(TAG, "start");
  
                  mService.startMediaPlayer();
  
              }
  
          }
  
  
  
          Log.d(TAG, "isPlaying === SERVICE: " + mService.isPlaying());
  
      } 
  
  }
  
  
  
  /********************************************************************************************************/
  
  
  
  @Override
  
  public void onDownload() {
  
      Toast.makeText(this, "Not yet available...", Toast.LENGTH_SHORT).show();
  
  }
  
  
  
  @Override
  
  public void onComment() {
  
      FragmentManager fm = getSupportFragmentManager();
  
      DialogFragment newFragment = MyAlertDialogFragment.newInstance();
  
      newFragment.show(fm, "comment_dialog");
  
  }
  
  
  
  @Override
  
  public void onShare() {
  
      showShareDialog();
  
  }
  
  
  
  /********************************************************************************************************/
  
  
  
  private void startStreaming() {
  
      Log.d(TAG, "@startLoading");
  
      boolean isNetworkFound = Util.checkConnectivity(getApplicationContext());
  
      if(isNetworkFound) {
  
          Log.d(TAG, "network found");
  
          mService.initializePlayer(stream);
  
          isStreaming = true;
  
      } else {
  
          Toast.makeText(getApplicationContext(), "No internet connection found...", Toast.LENGTH_SHORT).show();
  
      }
  
  
  
      Log.d(TAG, "isStreaming: " + isStreaming);
  
      Log.d(TAG, "isPlaying === SERVICE: " + mService.isPlaying());
  
  }
  
  
  
  @Override
  
  public void onInitializePlayerStart() {
  
      showLoadingDialog();
  
  }
  
  
  
  @Override
  
  public void onInitializePlayerSuccess() {
  
      dismissLoadingDialog();
  
      PlayerFragment.play.setChecked(true);
  
  
  
  
  
      Log.d(TAG, "isPlaying === SERVICE: " + mService.isPlaying());
  
  }
  
  
  
  @Override
  
  public void onError() {
  
      Toast.makeText(getApplicationContext(), "Not connected to the server...", Toast.LENGTH_SHORT).show();
  
  }
  
  
  
      @Override
  
  public void onDestroy() {
  
      Log.d(TAG, "onDestroy");
  
      super.onDestroy();
  
      uiHelper.onDestroy();
  
  
  
      Log.d(TAG, "isPlaying === SERVICE: " + mService.isPlaying());
  
      if (mBound) {
  
          mService.unRegister();
  
          unbindService(mConnection);
  
          mBound = false;
  
      }
  
  
  
      Log.d(TAG, "service: " + Util.isFFmpegServiceRunning(getApplicationContext()));
  
  }
  
  
  
  @Override
  
  public void onStop(){
  
      Log.d(TAG, "onStop");
  
      super.onStop();
  
  }
  
  
  
  /*******************************************************************************************************/
  
  
  
  @Override
  
  public boolean onOptionsItemSelected(MenuItem item) {
  
      int itemId = item.getItemId();
  
      switch (itemId){
  
      case android.R.id.home:
  
          onBackPressed();
  
          break;
  
      default:
  
          break;
  
      }    
  
      return true;
  
  }
  
  
  
  @Override
  
  public boolean onKeyDown(int keyCode, KeyEvent event) {
  
      Log.d(TAG, "@onKeyDown");
  
      if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0){
  
          //this.moveTaskToBack(true);
  
          onBackPressed();
  
          return true;
  
      }
  
      return super.onKeyDown(keyCode, event);
  
  }
  
  }
  
  
  
  
  
  
  
  
  
  
  
  
  
  public class FFmpegService  extends Service implements IMediaPlayerThreadClient {
  
  
  
  private FFmpegPlayerThread mMediaPlayerThread       = new FFmpegPlayerThread(this);
  
  private final Binder mBinder                        = new MediaPlayerBinder();
  
  private IMediaPlayerServiceClient mClient;
  
  //private StreamStation mCurrentStation;
  
  
  
  private boolean mIsSupposedToBePlaying = false;
  
  
  
  private boolean isPausedInCall = false;
  
  private PhoneStateListener phoneStateListener;
  
  private TelephonyManager telephonyManager;
  
  
  
  @Override
  
  public void onCreate(){
  
      mMediaPlayerThread.start();
  
  }
  
  
  
  /**
  
   * A class for clients binding to this service. The client will be passed an object of this class
  
   * via its onServiceConnected(ComponentName, IBinder) callback.
  
   */
  
  public class MediaPlayerBinder extends Binder {
  
      /**
  
       * Returns the instance of this service for a client to make method calls on it.
  
       * @return the instance of this service.
  
       */
  
      public FFmpegService getService() {
  
          return FFmpegService.this;
  
      }
  
  }
  
  
  
  /**
  
   * Returns the contained StatefulMediaPlayer
  
   * @return
  
   */
  
  public StatefulMediaPlayer getMediaPlayer() {
  
      return mMediaPlayerThread.getMediaPlayer();
  
  }
  
  
  
  public boolean isPlaying() {
  
      return mIsSupposedToBePlaying;
  
  }
  
  
  
  @Override
  
  public IBinder onBind(Intent arg0) {
  
      return mBinder;
  
  }
  
  
  
  @Override
  
  public int onStartCommand(Intent intent, int flags, int startId) {
  
  
  
      telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
  
      phoneStateListener = new PhoneStateListener() {
  
          @Override
  
          public void onCallStateChanged(int state, String incomingNumber) {
  
              // String stateString = "N/A";
  
              Log.v("FFmpegService", "Starting CallStateChange");
  
              switch (state) {
  
              case TelephonyManager.CALL_STATE_OFFHOOK:
  
              case TelephonyManager.CALL_STATE_RINGING:
  
                  if (mMediaPlayerThread != null) {
  
                      pauseMediaPlayer();
  
                      isPausedInCall = true;
  
                  }
  
                  break;
  
              case TelephonyManager.CALL_STATE_IDLE:
  
                  // Phone idle. Start playing.
  
                  if (mMediaPlayerThread != null) {
  
                      if (isPausedInCall) {
  
                          isPausedInCall = false;
  
                          startMediaPlayer();
  
                      }
  
                  }
  
                  break;
  
              }
  
          }
  
      };
  
  
  
      // Register the listener with the telephony manager
  
      telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
  
  
  
      return START_STICKY;
  
  }
  
  
  
  /**
  
   * Sets the client using this service.
  
   * @param client The client of this service, which implements the IMediaPlayerServiceClient interface
  
   */
  
  public void setClient(IMediaPlayerServiceClient client) {
  
      this.mClient = client;
  
  }
  
  
  
  
  
  public void initializePlayer(final String station) {
  
      //mCurrentStation = station;
  
      mMediaPlayerThread.initializePlayer(station);
  
  }
  
  
  
  public void startMediaPlayer() {
  
  
  
      Intent notificationIntent = new Intent(getApplicationContext(), StreamingActivity.class);
  
      //notificationIntent.putExtra("page", "0");
  
      //notificationIntent.putExtra("isPlaying", isPlaying());
  
      notificationIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
  
      PendingIntent contentIntent = PendingIntent.getActivity(getApplicationContext(), 0 , notificationIntent , PendingIntent.FLAG_UPDATE_CURRENT);
  
  
  
      NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this)
  
              .setSmallIcon(R.drawable.ic_launcher)
  
              .setContentTitle("You are listening to Radio...")
  
              .setContentText("test!!!")
  
              .setContentIntent(contentIntent);
  
  
  
      startForeground(1, mBuilder.build());
  
  
  
      NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
  
      notificationManager.notify(1, mBuilder.build());
  
  
  
      mIsSupposedToBePlaying = true;
  
      mMediaPlayerThread.startMediaPlayer();
  
  }
  
  
  
  public void dismissNotification(Context context) {
  
      String ns = Context.NOTIFICATION_SERVICE;
  
      NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);
  
      mNotificationManager.cancel(1);
  
  }
  
  
  
  /**
  
   * Pauses playback
  
   */
  
  public void pauseMediaPlayer() {
  
      Log.d("MediaPlayerService","pauseMediaPlayer() called");
  
      mMediaPlayerThread.pauseMediaPlayer();
  
      stopForeground(true);
  
      mIsSupposedToBePlaying = false;
  
      dismissNotification(this);
  
  }
  
  /**
  
   * Stops playback
  
   */
  
  public void stopMediaPlayer() { 
  
      stopForeground(true);
  
      mMediaPlayerThread.stopMediaPlayer();
  
  
  
      mIsSupposedToBePlaying = false;
  
      dismissNotification(this);
  
  }
  
  
  
  public void resetMediaPlayer() {
  
      mIsSupposedToBePlaying = false;
  
      stopForeground(true);
  
      mMediaPlayerThread.resetMediaPlayer();
  
      dismissNotification(this);
  
  }
  
  
  
  @Override
  
  public void onError() {
  
      mIsSupposedToBePlaying = false;
  
      mClient.onError();
  
      dismissNotification(this);
  
  }
  
  
  
  @Override
  
  public void onInitializePlayerStart() {
  
      mClient.onInitializePlayerStart();
  
  }
  
  
  
  @Override
  
  public void onInitializePlayerSuccess() {
  
      startMediaPlayer();
  
      mClient.onInitializePlayerSuccess();
  
      mIsSupposedToBePlaying = true;
  
  }
  
  
  
  public void unRegister() {
  
      this.mClient = null;
  
      mIsSupposedToBePlaying = false;
  
      dismissNotification(this);
  
  }
  
  
  
  }

  Hoping someone can help me here...

• Anomalie #3058 (Nouveau) : Incohérence sur le statut de webmestre nécessaire pour désinstaller un ...

  21 septembre 2013, par Maïeul Rouquette

  Sous SPIP 3.0.11
  - on teste le statut de webmestre pour le bouton de déinstall de plugin lié à chaque plugin
  - on ne le teste pas pour l’option de désactivation dans le menu déroulant