TweetFollow Us on Twitter

Dock Tile Imaging using JDirect

Volume Number: 19 (2003)
Issue Number: 1
Column Tag: Java

Dock Tile Imaging using JDirect

A pure Java approach to changing a Java application's dock tile at runtime

by Andrew S. Downs

Overview

A previous article ("Dock Tile Imaging", MacTech June 2002) discussed using the Java Native Interface technology to dynamically change the dock tile for a Java application. This article illustrates an alternate approach: the use of Apple's JDirect technology to make the native API calls directly from Java without writing any C code. This eliminates the need for a shared library and the scaffolding to call functions in that library.

The application discussed in this article periodically fetches a new image from NASA's Kennedy Space Center video feed web page. The source page contains links to 15 channels (images). The application parses the source page to find the individual image links, then sequentially downloads each image. In addition to displaying each retrieved image, the application paints a countdown progress bar in the tile between fetches. This progress bar painting uses the QuickDraw API, called via JDirect.

Application startup

The JDirectDockTiler class contains main(), the entry point for the Java application. main() is used simply to instantiate the DockTiler class and invoke an instance method. DockTiler creates an instance of UrlDownloader, which fetches an image from a URL. UrlDownloader invokes a method in DockTiler, passing it the image bytes. Some of the code in this class is reused from the June 2002 article, but is not discussed again. Download the accompanying source files for this article, refer to the previous article, or send me email if you need more info.

The import statements include two Macintosh Runtime for Java (MRJ) packages, one of which is JDirect. The other package, macos.frameworks, contains declarations for the Carbon and ApplicationServices interfaces.

import com.apple.mrj.jdirect.*;
import com.apple.mrj.macos.frameworks.*;
public class JDirectDockTiler {
  public static void main (String args[]) {
    DockTiler dock = new DockTiler();
    dock.run();
  }
}
class DockTiler {

If we have trouble loading an image, the values of its width and height will remain -1. See loadImage().

  int mWidth = -1, mHeight = -1;

The pixels are stored as a 1-dimensional array of integers. Three bytes of the int contain the RGB values, while the fourth byte contains the alpha (transparency) value.

  int mPixels[];
  public DockTiler() {
  }

Instantiate a class that handles periodic image fetching and display.

  public void run() {
    UrlDownloader u = new UrlDownloader( this );
    u.setUrl( 
  "http://spaceflight.nasa.gov/realdata/ksclive/index.html" 
    );

This substring will be located in the fetched page. This is a potential problem if the source page content changes, since then our substring search may stop working. This is a good candidate for a property in an external file.

    u.setSearchString( "http://science.ksc.nasa.gov" );

The number of iterations indicates how many times the substring occurs in the page. This is another potential trouble spot that could result in something breaking.

    u.setIterations( 15 );

Fortunately, the Thread sleep interval is entirely within our control. The value 5000 shown here indicates the Thread should sleep for 5 seconds between invocations.

    u.setSleep( 5000 );
    u.start();
  }
  static Frame f = null;
  static PictureFrame pf = null;

This version of loadImage() differs from the JNI version in that it uses an array of bytes to create an image. Also, the grabPixels() completion checking is slightly more complicated in order to prevent partial or blank images from occurring.

  protected void loadImage( byte [] array ) {
    Image image = 
      Toolkit.getDefaultToolkit().createImage( array );
    if ( f != null && pf != null )
      f.remove( pf );
      
    if ( f == null )
      f = new Frame( "Image" );
    
        // Offscreen windows move onscreen when you change the dock settings.
        // Keeping it onscreen allows you to view the original image as well 
        // as the dock tile.
    f.setBounds( 50, 50, 200, 200 ); // onscreen
    // f.setBounds( -250, -250, 200, 200 ); // offscreen
    f.setLayout( new BorderLayout() );
    pf = new PictureFrame( image );
    
    f.add( "Center", pf );
    pf.setSize( 128, 128 );
    f.pack();
    f.setVisible( true );
    f.repaint();
    pf.repaint();
    
    int width = image.getWidth( pf );
    int height = image.getHeight( pf );
    
    if ( width < 0 || height < 0 )
      return;
      
    mPixels = new int[ width * height ];
    
    for ( int i = 0; i < width * height; i++ )
      mPixels[ i ] = 0;
      
    PixelGrabber pg = new PixelGrabber( image, 0, 0, width, 
      height, mPixels, 0, width );
      
    try {
      pg.grabPixels();
    
      while ( ( pg.getStatus() & ImageObserver.ALLBITS ) 
        == 0 ) {
        if ( ( pg.getStatus() & ImageObserver.ABORT ) 
          != 0 )
          return;
        Thread.sleep( 3000 );
      }
      
      mWidth = width;
      mHeight = height;
    }
    catch ( InterruptedException e ) {
      return;
    }
    
    if ( mWidth > 0 && mHeight > 0 )
      ImageUtils.setDockTile( mPixels, mWidth, mHeight );
  }
}

Retrieving images

There are undoubtedly third party, or perhaps Sun-provided, classes that can fetch and parse HTML pages, but the one discussed here contains the necessary functionality for this app.

The methods in this class:

    - fetch a page at a given URL

    - locate image links with a page

    - fetch an image at a specified URL

public class UrlDownloader {

The following attributes have corresponding accessors (not shown):

  String mUrl = "";
  
  int mSleep = 0;
  String searchString = "";
  static int mCount = 0;   

This corresponds to the number of iterations.

  static int max = 1;

This attribute is set from the constructor, but could also be done with an accessor:

  DockTiler tiler;
  
  UrlDownloader( DockTiler dt ) {
    tiler = dt;
  }
  public void start() {
    downloadPage();

Timer is the actual Thread, and is discussed further down.

    Timer t = new Timer( this, mSleep );
    t.run();
  }

This buffer holds the raw downloaded page content.

  StringBuffer sb = new StringBuffer();

This method uses a URL string to open a connection and download the content of that page.

  protected void downloadPage() {
    try {
      URL url = new URL( mUrl );
      URLConnection conn = url.openConnection();
      int length = conn.getContentLength();
      BufferedInputStream is = 
        new BufferedInputStream( url.openStream() );    
      
      int total = 0;
      int numRead = 1;

Rather than read the page as one huge chunk of data, read 1k pieces and append them to the buffer.

      while ( numRead > 0 && total < length ) {
        byte array[] = new byte[ 1024 ];
        numRead = is.read( array, 0, 1024 );
        total += numRead;
        String s = new String( array );
        sb.append( s );
      }
    }
    catch ( MalformedURLException e ) {
      System.out.println( e );
    }
    catch ( IOException e ) {
      System.out.println( e );
    }
  }

This method gets called by the timer Thread. It dispatches to methods that locate the next occurrence of the search string on the page, fetch the appropriate image, then call back to DockTiler to display to image.

  protected void fetch() {
    String s = parseUrl();
    byte array[] = fetchImage( s );
    tiler.loadImage( array );
  }
  
  protected String parseUrl() {
    String url = new String();

Update the current image number. Reset after reaching the total number of image links on the page.

    mCount++;
    
    if ( mCount > max )
      mCount = 1;
    
    int occurence = 0;
    int last = 0;
    
    String page = sb.toString();
    
    int index = 0, prevIndex = 0;

Find the beginning of the next image link on the page.

    while ( occurence < mCount ) {
      index = page.indexOf( searchString, prevIndex );
      prevIndex = index + 1;
      occurence++;
    }

Find the end of the link: a quote character.

    if ( index > 0 )
      url = page.substring( index, 
        page.indexOf( "\"", index + 1 ) );
    return url;
  }
  protected byte[] fetchImage( String imageUrl ) {

Return a 1-byte array in lieu of an error code in case of failure.

    byte array[] = new byte[ 1 ];
    
    if ( !imageUrl.startsWith( "http" ) ) {
      System.out.println( "Bad URL: " + imageUrl );
      return array;
    }
    
    try {

This is similar to how we fetched the page contents above, except that readFully() eliminates the loop.

      URL url = new URL( imageUrl );
      URLConnection conn = url.openConnection();
      int length = conn.getContentLength();
    
      array = new byte[ length ];
    
      DataInputStream is = 
        new DataInputStream( url.openStream() );    
    
      int total = 0;
      int numRead = 1;
      is.readFully( array );
    }
    catch ( MalformedURLException e ) {
      System.out.println( "Bad URL: " + imageUrl );
      array = new byte[ 1 ];
    }
    catch ( IOException e ) {
      System.out.println( e );
    }
    catch ( NegativeArraySizeException e ) {
      System.out.println( "Bad array size: " + e );
      array = new byte[ 1 ];
    }
    
    return array;
  }
}

This simple timer class calls the fetch() dispatch function, then sleeps for 1/100th of the specified Thread sleep time. In between, it updates the progress bar at the bottom of the dock tile image. Upon reaching 100% of the sleep interval, start another fetch cycle. To remove the progress bar updates, uncomment the specified Thread.sleep() call and remove the while {} loop.

class Timer implements Runnable {
  UrlDownloader mUrlDownloader = null;
  int mSleep = 5000;
  
  Timer( UrlDownloader u, int sleep ) {
    mUrlDownloader = u;
    mSleep = sleep;
  }
  
  public void run() {
    while ( true ) {
      try {
        mUrlDownloader.fetch();
            // Replace following block with this line to avoid drawing of progress bar.
            // Thread.sleep( mSleep );
        int total = 0;
        int i = 0;
        float interval = mSleep / 100;
        
        while ( i <= 100 ) {
          ImageUtils.updateProgressBar( ( int )i );
          Thread.sleep( ( int )interval );
          i++;
        }
      }
      catch ( InterruptedException e ) {
      }
    }
  }
}

Calling Quartz

The ImageUtils class provides Java access to various native Mac OS API calls, such as the Quartz 2D (Core Graphics) library. The imports before the class definition include the JDirect package (containing the Linker class that is used to register the native methods) and the macos.frameworks package (which defines the Carbon and ApplicationServices interfaces):

import com.apple.mrj.jdirect.*;
import com.apple.mrj.macos.frameworks.*;
public class ImageUtils implements Carbon, ApplicationServices {

The Linker constructor call registers the native methods declared in this class as JNI methods:

  private static final Object linkage = 
    new Linker( ImageUtils.class );

The Mac OS calls must be declared explicitly. Argument names are not important here. I used letters as placeholders, but if you intend to reuse such a class it may make sense to provide more descriptive names and possibly comments or documentation so you don't have to revisit the API documentation each time. These two Core Graphics declarations illustrate native methods without and with arguments:

  public static native int 
    BeginCGContextForApplicationDockTile();
  public static native int CGDataProviderCreateWithData( 
    int a, int [] b, int c, int d );

The non-native method setDockTile() draws an image using the Core Graphics API. The arguments include an array of integers (4-bytes) representing the RGBA values for each pixel, and the image width and height.

  static protected void setDockTile( int [] imagePixels, 
    int width, int height ) {

This value defines the number of bytes in each pixel:

    int kNumComponents = 4;

This is somewhat annoying, having to redefine the constant values already defined by the API:

    final int kCGImageAlphaFirst = 4;
    final int kCGRenderingIntentDefault = 0;

If you look at the API docs, you will notice that many of the values used or returned by the native calls are pointers. In JDirect (as in JNI), pointers map to the int data type. This call gets the graphics context for the current application's dock tile:

    int theContext =
      BeginCGContextForApplicationDockTile();
    if ( theContext != 0 ) {

The number of bytes comprising one row of the image may be calculated using the number of pixels per row and the number of bytes per pixel:

      int bytesPerRow = width * kNumComponents;

Create a data source using the pixel array passed in as the image source. Then create an RGB color space object.

      int theProvider = CGDataProviderCreateWithData( 0, 
        imagePixels, ( bytesPerRow * height ), 0 );
  
      int theColorspace = CGColorSpaceCreateDeviceRGB();
    

Now create the image. This is similar to creating a PixMap. The symbol kCGImageAlphaFirst specifies that in the pixel data, the alpha channel (transparency) value is in the first byte of each int. More information can be found at: http://developer.apple.com/techpubs/macosx/CoreTechnologies/graphics/Quartz2D/Quartz_2D_Ref/index.html.

      int theImage = CGImageCreate( width, height, 8, 32, 
        bytesPerRow, theColorspace, 
        kCGImageAlphaFirst, theProvider, 0, 0, 
        kCGRenderingIntentDefault );

Cleanup by explicitly releasing pointers to native objects. We could have left this until the end and cleaned up all resources at the same time.

      CGDataProviderRelease( theProvider );
      CGColorSpaceRelease( theColorspace );

Use the newly created image as the tile image:

      int theError = 
        SetApplicationDockTileImage( theImage );

Flush to ensure the pixels get written:

      CGContextFlush( theContext );

Finally, free the native image and the drawing context:

      CGImageRelease( theImage );
      EndCGContextForApplicationDockTile( theContext );
    }
  }

Calling QuickDraw

This portion of the ImageUtils class is used to paint a progress bar over bottom of the image in the dock tile while the application sleeps prior to fetching a new image.

The QuickDraw Toolbox declarations look the same as the Core Graphics method declarations just discussed. However, since QuickDraw uses non-opaque data structures in various places this set of declarations includes as arguments, for example, an array of shorts to represent a native Rect.

  public static native int 
    BeginQDContextForApplicationDockTile();
  public static native int GetPortBounds( int port, 
    short [] rect );
  public static native void SetRect( short [] r, 
    short left, short top, short right, short bottom );

Several color constants defined in the Toolbox must be defined here as well before they can be used:

  static final int  blackColor          = 33;
  static final int  redColor            = 205;
  static final int  greenColor          = 341;

The progress bar is a 10-pixel tall rectangle superimposed on the lower-edge of the dock tile. The background of the progress bar is red, with a black frame. Each update fills a larger percentage of the bar with green.

  static protected void updateProgressBar( 
    int currPercent ) {

First obtain a reference to the tile drawing surface:

    int thePort = BeginQDContextForApplicationDockTile();
    if ( thePort != 0 ) {

Next, create an instance of a Rect class (discussed in the next section). That rectangle will hold the boundaries of the drawing surface.

      Rect theRect = new Rect();
      GetPortBounds( thePort, theRect.getArray() );

The initial call simply frames the empty red rectangle:

      if ( currPercent == 0 ) {
        SetRect( theRect.getArray(), theRect.getLeft(), 
          ( short )( theRect.getBottom() - ( short )10 ), 
          theRect.getRight(), theRect.getBottom() );
        ForeColor( redColor );
        PaintRect( theRect.getArray() );
        ForeColor( blackColor );
        FrameRect( theRect.getArray() );
      }

The right edge of the bar must be calculated using the current percent complete and the width of the bar in pixels. The right edge is treated as a float because of the fractions encountered during the calculation.

      float right = 0;
      if ( currPercent >= 100 )
        right = ( float )theRect.getRight();
      else
        right = ( ( ( float )theRect.getRight() - 
          ( float )theRect.getLeft() ) / 
          ( float )100 ) * ( float )currPercent;

Fill the "percent complete" area with green. The right edge value calculated above gets cast to a short data type and used to define the rectangle to be painted:

      ForeColor( greenColor );
      SetRect( theRect.getArray(), 
        ( short )( theRect.getLeft() + 1 ), 
        ( short )( theRect.getBottom() - 9 ), 
        ( short )right, 
        ( short )( theRect.getBottom() - 1 ) );
      PaintRect( theRect.getArray() );

Flush the bits to the screen and cleanup:

      QDFlushPortBuffer( thePort, 0 );
      EndQDContextForApplicationDockTile( thePort );
    }
  }
}

Rect Support Class

JDirect relies on various Toolbox structures that exist in native Mac OS libraries, but need to be explicitly defined for use with JDirect. Here is one way to define a class that corresponds to the Rect data structure:

public class Rect {
  private short [] theRect = new short[ 4 ];

The four corners of the Rect are stored in an array whose sequence we arbitrarily define as:

theRect[ 0 ] = Left
theRect[ 1 ] = Top
theRect[ 2 ] = Right
theRect[ 3 ] = Bottom

The storage assignments are arbitrary because access to the actual values is provided through accessor methods only, such as:

  public short getLeft() {
    return theRect[ 0 ];
  }
  
  public void setLeft( short i ) {
    theRect[ 0 ] = i;
  }

The constructor initializes the fields. The explicit casts to the short (16-bit) data type convert each 0 value, which defaults to type int (32-bit).

  public Rect() {
    setLeft( ( short )0 );
    setTop( ( short )0 );
    setRight( ( short )0 );
    setBottom( ( short )0 );
  }

A more compact though implementation of this class could eliminate the accessor methods and allow direct access to the data values, perhaps as four short values. That exposure may lead to problems should you wish to change the internal data representation. Always try to hide the internals of a class and enforce access through an API.

A more complex get/set combination that hides the internal representation can be implemented using constant values to represent each corner, as in:

  static final int kLeft = 0, kTop = 1, kRight = 2,
    kBottom = 3;
  public short get( short corner ) {
    if ( corner >= kLeft && corner <= kRight )
      return theRect[ corner ];
    else
              // Not good because 0 is a valid value for any corner.
      return 0;
  }
  
  public void set( short corner, short i ) {
    if ( corner >= kLeft && corner <= kRight )
      theRect[ corner ] = i;
          // What if the caller passes a bad corner identifier?
  }

Although the variations just discussed have their merits, the Rect implementation for this project uses explicit get/set methods for each corner of the Rect. The class definition is slightly longer, but more forgiving, than an implementation requiring the caller to specify a numeric value for a corner as an additional argument to both get/set. Also, this implementation does not expose the internal data representation.

References

The book Early Adopter Mac OS X Java (Wrox Press, Inc., November 2001) contains an excellent chapter on integrating Java with native Mac OS calls using JDirect. TechNote 2002 (http://developer.apple.com/technotes/tn/tn2002.html) also discusses this issue.

Thank you to Eric Albert, Greg Parker, and Nicholas Riley for their assistance and advice while I wrote this program at MacHack.


Andrew has been a Java fan since his first encounter with the language at the WebEdge III conference in 1996. You can reach him at andrew@downs.ws.

 

Community Search:
MacTech Search:

Software Updates via MacUpdate

Creative Kit 1.1 - $149.99
Creative Kit 2016--made exclusively for Mac users--is your ticket to the most amazing images you've ever created. With a variety of powerful tools at your fingertips, you'll not only repair and fine-... Read more
iMazing 2.2.3 - Complete iOS device mana...
iMazing (was DiskAid) is the ultimate iOS device manager with capabilities far beyond what iTunes offers. With iMazing and your iOS device (iPhone, iPad, or iPod), you can: Copy music to and from... Read more
Fantastical 2.3.6 - Create calendar even...
Fantastical 2 is the Mac calendar you'll actually enjoy using. Creating an event with Fantastical is quick, easy, and fun: Open Fantastical with a single click or keystroke Type in your event... Read more
Apple Configurator 2.4 - Configure and d...
Apple Configurator makes it easy to deploy iPad, iPhone, iPod touch, and Apple TV devices in your school or business. Use Apple Configurator to quickly configure large numbers of devices connected to... Read more
WhatRoute 2.0.18 - Geographically trace...
WhatRoute is designed to find the names of all the routers an IP packet passes through on its way from your Mac to a destination host. It also measures the round-trip time from your Mac to the router... Read more
Fantastical 2.3.6 - Create calendar even...
Fantastical 2 is the Mac calendar you'll actually enjoy using. Creating an event with Fantastical is quick, easy, and fun: Open Fantastical with a single click or keystroke Type in your event... Read more
Creative Kit 1.1 - $149.99
Creative Kit 2016--made exclusively for Mac users--is your ticket to the most amazing images you've ever created. With a variety of powerful tools at your fingertips, you'll not only repair and fine-... Read more
iMazing 2.2.3 - Complete iOS device mana...
iMazing (was DiskAid) is the ultimate iOS device manager with capabilities far beyond what iTunes offers. With iMazing and your iOS device (iPhone, iPad, or iPod), you can: Copy music to and from... Read more
Apple Configurator 2.4 - Configure and d...
Apple Configurator makes it easy to deploy iPad, iPhone, iPod touch, and Apple TV devices in your school or business. Use Apple Configurator to quickly configure large numbers of devices connected to... Read more
WhatRoute 2.0.18 - Geographically trace...
WhatRoute is designed to find the names of all the routers an IP packet passes through on its way from your Mac to a destination host. It also measures the round-trip time from your Mac to the router... Read more

Power Rangers: Legacy Wars beginner...
Rita Repulsa is back, but this time she's invading your mobile phone in Power Rangers: Legacy Wars. What looks to be a straightforward beat 'em up is actually a tough-as-nails multiplayer strategy game that requires some deft tactical maneuvering.... | Read more »
Hearthstone celebrates the upcoming Jour...
Hearthstone gets a new expansion, Journey to Un'Goro, in a little over a week, and they'll be welcoming the Year of the Mammoth, the next season, at the same time. There's a lot to be excited about, so Blizzard is celebrating in kind. Players will... | Read more »
4 smart and stylish puzzle games like Ty...
TypeShift launched a little over a week ago, offering some puzzling new challenges for word nerds equipped with an iOS device. Created by Zach Gage, the mind behind Spelltower, TypeShift boasts, like its predecessor, a sleak design and some very... | Read more »
The best deals on the App Store this wee...
Deals, deals, deals. We're all about a good bargain here on 148Apps, and luckily this was another fine week in App Store discounts. There's a big board game sale happening right now, and a few fine indies are still discounted through the weekend.... | Read more »
The best new games we played this week
It's been quite the week, but now that all of that business is out of the way, it's time to hunker down with some of the excellent games that were released over the past few days. There's a fair few to help you relax in your down time or if you're... | Read more »
Orphan Black: The Game (Games)
Orphan Black: The Game 1.0 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0 (iTunes) Description: Dive into a dark and twisted puzzle-adventure that retells the pivotal events of Orphan Black. | Read more »
The Elder Scrolls: Legends is now availa...
| Read more »
Ticket to Earth beginner's guide: H...
Robot Circus launched Ticket to Earth as part of the App Store's indie games event last week. If you're not quite digging the space operatics Mass Effect: Andromeda is serving up, you'll be pleased to know that there's a surprising alternative on... | Read more »
Leap to victory in Nexx Studios new plat...
You’re always a hop, skip, and a jump away from a fiery death in Temple Jump, a new platformer-cum-endless runner from Nexx Studio. It’s out now on both iOS and Android if you’re an adventurer seeking treasure in a crumbling, pixel-laden temple. | Read more »
Failbetter Games details changes coming...
Sunless Sea, Failbetter Games' dark and gloomy sea explorer, sets sail for the iPad tomorrow. Ahead of the game's launch, Failbetter took to Twitter to discuss what will be different in the mobile version of the game. Many of the changes make... | Read more »

Price Scanner via MacPrices.net

Is A New 10.5-inch iPad Still Coming In April...
There was no sign or mention of a long-rumored and much anticipated 10.5-inch iPad Pro in Apple’s product announcements last week. The exciting iPad news was release of an upgraded iPad Air with a... Read more
T-Mobile’s Premium Device Protection Now Incl...
Good news for T-Mobile customers who love their iPhones and iPads. The “Un-carrier” has become the first national wireless company to give customers AppleCare Services at zero additional cost as part... Read more
FileWave Ensures Support for Latest Apple OS...
FileWave multi-platform device management providers announced support for Apple’s release yesterday of iOS 10.3, macOS Sierra 10.12.4, and tvOS 11.2. FileWave has a history of providing zero-day... Read more
Use Apple’s Education discount to save up to...
Purchase a new Mac or iPad using Apple’s Education Store and take up to $300 off MSRP. All teachers, students, and staff of any educational institution qualify for the discount. Shipping is free: -... Read more
Apple refurbished Apple Watches available sta...
Apple is now offering Certified Refurbished Series 1 and Series 2 Apple Watches for 14-16% off MSRP, starting at $229. An Apple one-year warranty is included with each watch. Shipping is free: Series... Read more
9-inch 32GB Space Gray iPad Pro on sale for $...
B&H Photo has the 9.7″ 32GB Space Gray Apple iPad Pro on sale for $549 for a limited time. Shipping is free, and B&H charges NY sales tax only. Their price is $50 off MSRP. Read more
13-inch MacBook Airs on sale for $100-$150 of...
B&H Photo has 13″ MacBook Airs on sale for up to $150 off MSRP. Shipping is free, and B&H charges NY sales tax only: - 13″ 1.6GHz/128GB MacBook Air (MMGF2LL/A): $899 $100 off MSRP - 13″ 1.... Read more
13-inch MacBook Airs, Apple refurbished, in s...
Apple has Certified Refurbished 2016 13″ MacBook Airs available starting at $849. An Apple one-year warranty is included with each MacBook, and shipping is free: - 13″ 1.6GHz/8GB/128GB MacBook Air: $... Read more
12-inch Retina MacBooks on sale for $1199, sa...
B&H has 12″ 1.1GHz Retina MacBooks on sale for $100 off MSRP. Shipping is free, and B&H charges NY sales tax only: - 12″ 1.1GHz Space Gray Retina MacBook: $1199 $100 off MSRP - 12″ 1.1GHz... Read more
Save up to $260 with Apple refurbished 12-inc...
Apple has Certified Refurbished 2016 12″ Retina MacBooks available for $200-$260 off MSRP. Apple will include a standard one-year warranty with each MacBook, and shipping is free. The following... Read more

Jobs Board

Fulltime aan de slag als shopmanager in een h...
Ben jij helemaal gek van Apple -producten en vind je het helemaal super om fulltime shopmanager te zijn in een jonge en hippe elektronicazaak? Wil jij werken in Read more
Desktop Analyst - *Apple* Products - Montef...
…technology to improve patient care. JOB RESPONSIBILITIES: Provide day-to-day support for Apple Hardware and Software in the environment based on the team's support Read more
*Apple* Mobile Master - Best Buy (United Sta...
**493168BR** **Job Title:** Apple Mobile Master **Location Number:** 000827-Denton-Store **Job Description:** **What does a Best Buy Apple Mobile Master do?** At Read more
Fulltime aan de slag als shopmanager in een h...
Ben jij helemaal gek van Apple -producten en vind je het helemaal super om fulltime shopmanager te zijn in een jonge en hippe elektronicazaak? Wil jij werken in Read more
*Apple* Mobile Master - Best Buy (United Sta...
**492889BR** **Job Title:** Apple Mobile Master **Location Number:** 000886-Norwalk-Store **Job Description:** **What does a Best Buy Apple Mobile Master do?** Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.