Tricks

Transferring information

Transferring information

Follow these steps to back up your previous device and then restore the backup to your newly purchased device. Your saved messages, email accounts, photos, notes, and other personal settings will be transferred to your new device. Use the iCloud steps below if both your devices use iOS 5 or later and you have an(…)

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iPhone, iPad, or iPod touch Update

iPhone, iPad, or iPod touch Update

Update your device wirelessly (available in iOS 5 and later) Ensure your device is connected to a power source. To avoid potential data costs connect your device to a Wi-Fi network. Go to Settings > General > Software Update. iOS will automatically check for available updates. If an update is available* you can tap Download to download(…)

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Useful iPhone Shortcuts !

Useful iPhone Shortcuts !

1. Change the Spotlight Search Result Order The iPhone’s Spotlight Search functionality is a great improvement from early incarnations, but you can make it even more relevant to you just by tweaking the settings. In the “Settings” menu, go to “General,” then select “Spotlight Search.” You are then presented with a list of categories. By(…)

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Download & Install Wallpapers !

Download & Install Wallpapers !

Here are the easy steps you can take to make use of our cool wallpapers on your iPhone. The first step is to save the desired wallpaper to your Mac or PC via your favorite browser. 1. Right-click or control-click on the image you want to use.2. Select “Save as…” and save the image to(…)

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Split View Controller

This is known as a split view controller, where there is a view controller on the left that takes up about 30% of the space, and a view controller on the right that takes up 70% of the screen estate. In portrait mode, there is a button to tap which brings up a view controller(…)

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UITouch

Let’s have a look at touchesBegan. When touchesBegan is called, it returns an event. We can call allTouches to get the touches and then locate the first touch. Each touch has many properties, including tapCount, timeStamp and the view it was contained in. We can manipulate these to create whatever desired action we want. Touches-(void)(…)

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MapKit

CoreLocationCLLocation represents a point or vector and can be detected by several methods (GPS, Wi-Fi, Cell Towers). Of course, it uses Skyhook technology to retrieve accurate location results. Each CLLocation consists of properties such as the coordinate itself, altitude and timestamp. CLLocationManagerThere is a manager for all our CLLocations, and it helps to start or(…)

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Webkit

Webkit. Webkit is predominantly used in most apps, and is used for displaying webpages within your own app, without leaving the app to go to Safari to view a site. WebKit includes UIWebView, which is used for displaying web content. It can take in HTML, MIME + data, or a URL. UIWebView//Load data– (void)loadHTMLString:(NSString *)string(…)

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Accelerator

The accelerator in the iPhone and iPad can tell you the device orientation. But before that, we need to understand the two types of orientation: device orientation and interface orientation. The device orientation can be portrait, landscape, faceUp, faceDown, and so on. It reflects how the iPhone or iPad itself is currently positioned. The interface(…)

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UIImagePickerController

Let’s dive into the hardware of the iPhone and iPad, both of which now have a camera. UIImagePickerControllerThe default use of a camera in iOS applications is the UIImagePickerController. You can take pictures from the Photo Library, Saved Photos, or Camera itself.There are certain steps you need to take when you want to implement UIImagePickerController(…)

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Web Services XML or JSON

Most web services are exposed via RESTful interfaces such as XML or JSON. XMLXML looks like this. Basically it starts off with the version number, and then a dictionary or array within. This dictionary or array can contain even more dictionaries and arrays or any other objects. The next thing we have to do is(…)

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NSUserDefaults

There are a few ways we can persist data on the iPhone. The first one is to store data securely. We can make use of the Keychain framework that Apple has provided.NSUserDefaults is another way of storing data, but for non-sensitive info such as user settings which do not need to be encrypted. NSUserDefaults will(…)

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