Book Image

iOS Development with Xamarin Cookbook

By : Dimitrios Tavlikos (USD)
Book Image

iOS Development with Xamarin Cookbook

By: Dimitrios Tavlikos (USD)

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iOS Development with Xamarin Cookbook
Dimitrios Tavlikos (USD)
May, 2014 | 386 pages
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Table of Contents (22 chapters)
iOS Development with Xamarin Cookbook
iOS Development with Xamarin Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Development Tools
Development Tools
Introduction
Installing prerequisites
Creating an iOS project with Xamarin Studio
Interface Builder
Creating the UI
Accessing the UI with Outlets
Adding Actions to controls
Compiling an iOS project
Debugging our application
2
User Interface – Views
User Interface – Views
Introduction
Adding and customizing views
Receiving user input with buttons
Displaying images
Displaying and editing text
Using the keyboard
Displaying progress
Displaying content larger than the screen
Navigating through the content divided into pages
Displaying alerts
Creating a custom view
Styling views
3
User Interface – View Controllers
User Interface – View Controllers
Introduction
Loading a view with a view controller
Navigating through different view controllers
Providing controllers in tabs
Modal view controllers
Creating a custom view controller
Using view controllers efficiently
iPad view controllers
UI flow design with storyboards
Unwinding in storyboards
4
Data Management
Data Management
Introduction
Creating files
Using a SQLite database
Preparing for iCloud support
iCloud key/value storage
5
Displaying Data
Displaying Data
Introduction
Providing lists
Displaying data in a table
Customizing rows
Editing a table
Table indexing
Searching through the data
Creating a simple web browser
Displaying data in a grid
Customizing the grid
6
Web Services
Web Services
Introduction
Consuming web services
Consuming REST services
Communicating with native APIs
Using WCF services
7
Multimedia Resources
Multimedia Resources
Introduction
Selecting images and videos
Capturing media with the camera
Playing videos
Playing music and sounds
Recording with the microphone
Managing album items directly
8
Integrating iOS Features
Integrating iOS Features
Introduction
Starting phone calls
Sending text messages and e-mails
Using text messaging in our application
Using e-mail messaging in our application
Managing the address book
Displaying contacts
Managing the calendar
9
Interacting with Device Hardware
Interacting with Device Hardware
Introduction
Detecting the device orientation
Adjusting the UI orientation
Proximity sensor
Retrieving the battery information
Handling motion events
Handling touch events
Recognizing gestures
Custom gestures
Using the accelerometer
Using the gyroscope
10
Location Services and Maps
Location Services and Maps
Introduction
Determining location
Determining heading
Using region monitoring
Using a significant-change location service
Location services in the background
Displaying maps
Geocoding
Adding map annotations
Adding map overlays
11
Graphics and Animation
Graphics and Animation
Introduction
Animating views
Transforming views
Animating images
Animating layers
Drawing lines and curves
Drawing shapes
Drawing text
A simple drawing app
Creating an image context
12
Multitasking
Multitasking
Introduction
Detecting application states
Receiving notifications for app states
Running code in the background
Playing audio in the background
Updating data in the background
13
Localization
Localization
Introduction
Creating an app for different languages
Localizable resources
Regional formatting
14
Deploying
Deploying
Introduction
Creating profiles
Creating an ad hoc distribution bundle
Preparing an app for the App Store
Submitting an app to the App Store
15
Advanced Features
Advanced Features
Introduction
Reproducing the page curl effect
Integrating content sharing
Implementing custom transitions
Using physics in UI elements
Implementing the text-to-speech feature
Index
Index

Displaying content larger than the screen

In this recipe, we will learn how to display content that extends beyond the screen's bounds.

Getting ready

In this recipe, we will discuss the UIScrollView control. Create a new iPhone Single View Application project and name it ScrollApp.

How to do it...

The following are the steps to create the project:

  1. Open the ScrollAppViewController.xib file in Interface Builder.

  2. Add a UIScrollView object on its view and connect it to an outlet. Save the document.

  3. Back in Xamarin Studio, add the following code in the ScrollAppViewController class:

    // Image view
UIImageView imgView;
public override void ViewDidLoad()
{
  base.ViewDidLoad();

  this.imgView = new UIImageView (UIImage.FromFile ("Kastoria.jpg"));
  this.scrollView.ContentSize = this.imgView.Image.Size;
  this.scrollView.ContentOffset = new PointF (200f, 50f);
  this.scrollView.PagingEnabled = true;
  this.scrollView.MinimumZoomScale = 0.25f;
  this.scrollView.MaximumZoomScale = 2f;
  this.scrollView.ViewForZoomingInScrollView...
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