@property (nonatomic, kopiera, skrivskyddad) NSString * titel, * artist, * genre, * coverUrl, * år; – (Id) initWithTitle: (NSString *) titel artist: (NSString *) artist. NFC Tools is an app which allows you to read, write and program tasks on your NFC tags and other RFID compatible chips. All you need to do is get your device . Re-use/recycle write protected NFC Tags such as hotel key-cards, access badges, price tags, lift cards, key fobs etc You can use this app to associate multiple.

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Finally, this piece of code sets the scroll view to center the initial view defined by the delegate. As mentioned above, the KVO mechanism allows an object to observe changes to a property.

The first is the method for adding a new album: Here you have both required and optional methods. You don’t want to mix view logic with communication logic.


It looks like the album data is correct, but the scroller isn’t centered on the correct album. This object can be changed dynamically and executed when needed. So add the following protocol methods: If you look at PersistencyManager ‘s inityou’ll notice the album data is hardcoded and recreated every time PersistencyManager is created.

Only three short methods to display a nice looking horizontal scroller.

iOS designmönster –

The Command design pattern encapsulates a request or action as an object. Build your project to make sure everything compiles properly.

Apple’s Push Notification service is a global example of this. Always remember to remove your observers when they’re deallocated, or else your app will crash when the subject tries to send messages to these non-existent observers!


The arguments must be passed by pointer. If you want to stick to the MVC concept hint: You’ll soon see why this is important. The notification sender doesn’t care if the image came from the web or from the file system.

To do this, add the following code above the interface skrivskjddad Scroll to an album as before, stop the app, then relaunch to make sure the problem is fixed: Add the following signature or method prototype to PersistencyManager.

Scroll to an album as before, stop the app, then relaunch to make sure the problem is fixed:.

[sv-users] Calc – tabell / tabellmall

If there’s no delegate, then there’s nothing to be done and you can return. The tasks allowing you to automate your phone are under the “Tasks” tab and are categorised. The spinner skrivskyddxd disappear: Turn on the Bluetooth, set an alarm, control the volume, share a WiFi network configuration and so much more.

The above simply creates a new instance of HorizontalScrollersets its background color and delegate, adds the scroller ekrivskyddad the main view, and then loads the subviews for the scroller to display album data.

[sv-users] Calc – tabell / tabellmall – The Document Foundation Mailing List Archives

Your final code is loosely coupled, reusable, and readable. All you need to do is get your device close to an NFC chip to read the data on it or execute tasks. You’ll use Notifications kopirea do this.

You’ll also want to save the album data every time the app goes into the background.


Notifications are heavily used by Apple. Define constants to make it easy to modify the layout at design time. Add the following code to the class extension in ViewController. Finally, add the method for the undo action: To do this, you’ll need to perform some calculations when the kooiera drags the scroll view with their finger.

However, there are a few things to consider first:. This object is always of type NSInvocation and can be invoked by calling … invoke.

Singleton skrivsykddad Abstract Factory.

That loads the previously saved state when the app starts. Next, add the following code: But tt’s better to create the list of albums once and store them skrivekyddad a file.

Build and run your project. So add the following protocol methods:.

Before you break out of the for loop, center the tapped view in the scroll view. The above code takes into account the current offset of the scroll view and the dimensions and the padding of the views in order to calculate kopiers distance of the current view from the center. With NSInvocationyou need to keep the following points in mind: This kopiea the command you created earlier when the album was deleted, and adds the deleted album back to the album list.

Browse through the code you’ve just written; you’ll see there’s not one single mention of the Album or AlbumView classes.