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  • IOS 8 App Development Essentials - Techotopia
    Running the iCloud Application Reviewing and Deleting iCloud Based Documents Making a Local File Ubiquitous Synchronizing iOS 8 Key Value Data using iCloud An Overview of iCloud Key Value Data Storage Sharing Data Between Applications Data Storage Restrictions Conflict Resolution Receiving Notification of Key Value Changes An iCloud Key Value Data Storage Example Enabling the Application for iCloud Key Value Data Storage Designing the User Interface Implementing the View Controller Modifying the viewDidLoad Method Implementing the Notification Method Implementing the saveData Method Testing the Application iOS 8 Data Persistence using Archiving and Swift An Overview of Archiving The Archiving Example Application Designing the User Interface Checking for the Existence of the Archive File on Startup Archiving Object Data in the Action Method Testing the Application Swift iOS 8 Database Implementation using SQLite What is SQLite Structured Query Language SQL Trying SQLite on MacOS X Preparing an iOS Application Project for SQLite Integration SQLite Swift and Wrappers Key FMDB Classes Creating and Opening a Database Creating a Database Table Extracting Data from a Database Table Closing a SQLite Database An Example SQLite based iOS 8 Application using Swift and FMDB About the Example SQLite Application Creating and Preparing the SQLite Application Project Checking Out the FMDB Source Code Designing the User Interface Creating the Database and Table Implementing the Code to Save Data to the SQLite Database Implementing Code to Extract Data from the SQLite Database Building and Running the Application iOS 8 Databases in Swift using Core Data The Core Data Stack Managed Objects Managed Object Context Managed Object Model Persistent Store Coordinator Persistent Object Store Defining an Entity Description Obtaining the Managed Object Context Getting an Entity Description Generating a Managed Object Subclass Setting the Attributes of a Managed Object Saving a Managed Object Fetching Managed Objects Retrieving Managed Objects based on Criteria Accessing the Data in a Retrieved Managed Object An iOS 8 Swift Core Data Tutorial The Core Data Example Application Creating a Core Data based Application Creating the Entity Description Generating the Managed Object Subclass Modifying the Entity Class Name Designing the User Interface Accessing the Managed Object Context Saving Data to the Persistent Store using Core Data Retrieving Data from the Persistent Store using Core Data Building and Running the Example Application An Introduction to CloudKit Data Storage on iOS 8 An Overview of CloudKit CloudKit Containers CloudKit Public Database CloudKit Private Databases Data Storage and Transfer Quotas CloudKit Records CloudKit Record IDs CloudKit References CloudKit Assets Record Zones CloudKit Subscriptions Obtaining iCloud User Information CloudKit Dashboard An iOS 8 CloudKit Example About the Example CloudKit Project Creating the CloudKit Example Project Designing the User Interface Establishing Outlets and Actions Accessing the Public Database Hiding the Keyboard Implementing the selectPhoto method Saving a Record to the Cloud Database Implementing the notifyUser Method Testing the Record Saving Method Searching for Cloud Database Records Updating Cloud Database Records Deleting a Cloud Record Testing the Application An iOS 8 CloudKit Subscription Example Push Notifications and CloudKit Subscriptions Registering an App to Receive Push Notifications Configuring a CloudKit Subscription Handling Remote Notifications Implementing the didReceiveRemoteNotification Method Fetching a Record From a Cloud Database Implementing the didFinishLaunchingWithOptions Method Testing the Application An Overview of iOS 8 Multitouch Taps and Gestures The Responder Chain Forwarding an Event to the Next Responder Gestures Taps Touches Touch Notification Methods touchesBegan method touchesMoved method touchesEnded method touchesCancelled method An Example Swift iOS 8 Touch Multitouch and Tap Application The Example iOS 8 Tap and Touch Application Creating the Example iOS Touch Project Designing the User Interface Enabling Multitouch on the View Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Getting the Coordinates of a Touch Building and Running the Touch Example Application Detecting iOS 8 Touch Screen Gesture Motions in Swift The Example iOS 8 Gesture Application Creating the Example Project Designing the Application User Interface Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Building and Running the Gesture Example Identifying Gestures using iOS 8 Gesture Recognizers The UIGestureRecognizer Class Recognizer Action Messages Discrete and Continuous Gestures Obtaining Data from a Gesture Recognizing Tap Gestures Recognizing Pinch Gestures Detecting Rotation Gestures Recognizing Pan and Dragging Gestures Recognizing Swipe Gestures Recognizing Long Touch Touch and Hold Gestures An iOS 8 Swift Gesture Recognition Tutorial Creating the Gesture Recognition Project Designing the User Interface Implementing the Action Methods Testing the Gesture Recognition Application Implementing TouchID Authentication in iOS 8 Apps The Local Authentication Framework Checking for TouchID Availability Evaluating TouchID Policy A TouchID Example Project Checking for TouchID Availability Seeking TouchID Authentication Testing the Application An Overview of iOS 8 Collection View and Flow Layout An Overview of Collection Views The UICollectionView Class The UICollectionViewCell Class The UICollectionReusableView Class The UICollectionViewFlowLayout Class The UICollectionViewLayoutAttributes Class The UICollectionViewDataSource Protocol The UICollectionViewDelegate Protocol The UICollectionViewDelegateFlowLayout Protocol Cell and View Reuse A Swift iOS 8 Storyboard based Collection View Tutorial Creating the Collection View Example Project Removing the Template View Controller Adding a Collection View Controller to the Storyboard Adding the Collection View Cell Class to the Project Designing the Cell Prototype Implementing the Data Model Implementing the Data Source Testing the Application Setting Sizes for Cell Items Changing Scroll Direction Implementing a Supplementary View Implementing the Supplementary View Protocol Methods Subclassing and Extending the iOS 8 Collection View Flow Layout in Swift About the Example Layout Class Subclassing the UICollectionViewFlowLayout Class Extending the New Layout Class Implementing the layoutAttributesForItemAtIndexPath Method Implementing the layoutAttributesForElementsInRect Method Implementing the modifyLayoutAttributes Method Adding the New Layout and Pinch Gesture Recognizer Implementing the Pinch Recognizer Avoiding Image Clipping Testing the Application Drawing iOS 8 2D Graphics in Swift with Core Graphics Introducing Core Graphics and Quartz 2D The drawRect Method Points Coordinates and Pixels The Graphics Context Working with Colors in Quartz 2D Interface Builder Live Views and iOS 8 Embedded Frameworks Embedded Frameworks Interface Builder Live Views Creating the Example Project Adding an Embedded Framework Implementing the Drawing Code in the Framework Making the

    Original URL path: http://www.techotopia.com/index.php?title=IOS_8_App_Development_Essentials&oldid=21241 (2016-02-13)
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  • Pages that link to "IOS 8 App Development Essentials" - Techotopia
    The Swift Switch Statement links An Overview of Swift Functions and Closures links The Basics of Object Oriented Programming in Swift links An Introduction to Swift Inheritance links Working with Array and Dictionary Collections in Swift links An Introduction to Swift Playgrounds links Testing Apps on iOS 8 Devices with Xcode 6 links A Guided Tour of Xcode 6 links Installing Xcode 6 and the iOS 8 SDK links Joining the Apple iOS 8 Developer Program links The iOS 8 Application and Development Architecture links Creating an Interactive iOS 8 App Swift links Understanding iOS 8 Views Windows and the View Hierarchy links An Introduction to Auto Layout in iOS 8 links Working with iOS 8 Auto Layout Constraints in Interface Builder links An iOS 8 Auto Layout Example links Implementing iOS 8 Auto Layout Constraints in Swift Code links Implementing Cross Hierarchy Auto Layout Constraints in iOS 8 links Understanding the iOS 8 Auto Layout Visual Format Language in Swift links Using Size Classes to Design Universal iOS User Interfaces links Using Storyboards in Xcode 6 links Using Xcode 6 Storyboards to Create an iOS 8 Tab Bar Application links An Overview of iOS 8 Table Views and Xcode 6 Storyboards links Using Storyboards and Swift to Build Dynamic TableViews with Prototype Table View Cells links Implementing iOS 8 TableView Navigation using Storyboards in Xcode 6 and Swift links An iOS 8 Swift Split View Master Detail Example links Implementing a Swift Page based iOS 8 Application using UIPageViewController links An Example Swift iOS 8 UIPageViewController Application links Working with Directories in Swift on iOS 8 links Working with Files in Swift on iOS 8 links IOS 8 Directory Handling and File I O in Swift A Worked Example links Preparing an iOS 8 App to use iCloud Storage

    Original URL path: http://www.techotopia.com/index.php/Special:WhatLinksHere/IOS_8_App_Development_Essentials (2016-02-13)
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  • IOS 8 App Development Essentials - Techotopia
    Data Between Applications Data Storage Restrictions Conflict Resolution Receiving Notification of Key Value Changes An iCloud Key Value Data Storage Example Enabling the Application for iCloud Key Value Data Storage Designing the User Interface Implementing the View Controller Modifying the viewDidLoad Method Implementing the Notification Method Implementing the saveData Method Testing the Application iOS 8 Data Persistence using Archiving and Swift An Overview of Archiving The Archiving Example Application Designing the User Interface Checking for the Existence of the Archive File on Startup Archiving Object Data in the Action Method Testing the Application Swift iOS 8 Database Implementation using SQLite What is SQLite Structured Query Language SQL Trying SQLite on MacOS X Preparing an iOS Application Project for SQLite Integration SQLite Swift and Wrappers Key FMDB Classes Creating and Opening a Database Creating a Database Table Extracting Data from a Database Table Closing a SQLite Database An Example SQLite based iOS 8 Application using Swift and FMDB About the Example SQLite Application Creating and Preparing the SQLite Application Project Checking Out the FMDB Source Code Designing the User Interface Creating the Database and Table Implementing the Code to Save Data to the SQLite Database Implementing Code to Extract Data from the SQLite Database Building and Running the Application iOS 8 Databases in Swift using Core Data The Core Data Stack Managed Objects Managed Object Context Managed Object Model Persistent Store Coordinator Persistent Object Store Defining an Entity Description Obtaining the Managed Object Context Getting an Entity Description Generating a Managed Object Subclass Setting the Attributes of a Managed Object Saving a Managed Object Fetching Managed Objects Retrieving Managed Objects based on Criteria Accessing the Data in a Retrieved Managed Object An iOS 8 Swift Core Data Tutorial The Core Data Example Application Creating a Core Data based Application Creating the Entity Description Generating the Managed Object Subclass Modifying the Entity Class Name Designing the User Interface Accessing the Managed Object Context Saving Data to the Persistent Store using Core Data Retrieving Data from the Persistent Store using Core Data Building and Running the Example Application An Introduction to CloudKit Data Storage on iOS 8 An Overview of CloudKit CloudKit Containers CloudKit Public Database CloudKit Private Databases Data Storage and Transfer Quotas CloudKit Records CloudKit Record IDs CloudKit References CloudKit Assets Record Zones CloudKit Subscriptions Obtaining iCloud User Information CloudKit Dashboard An iOS 8 CloudKit Example About the Example CloudKit Project Creating the CloudKit Example Project Designing the User Interface Establishing Outlets and Actions Accessing the Public Database Hiding the Keyboard Implementing the selectPhoto method Saving a Record to the Cloud Database Implementing the notifyUser Method Testing the Record Saving Method Searching for Cloud Database Records Updating Cloud Database Records Deleting a Cloud Record Testing the Application An iOS 8 CloudKit Subscription Example Push Notifications and CloudKit Subscriptions Registering an App to Receive Push Notifications Configuring a CloudKit Subscription Handling Remote Notifications Implementing the didReceiveRemoteNotification Method Fetching a Record From a Cloud Database Implementing the didFinishLaunchingWithOptions Method Testing the Application An Overview of iOS 8 Multitouch Taps and Gestures The Responder Chain Forwarding an Event to the Next Responder Gestures Taps Touches Touch Notification Methods touchesBegan method touchesMoved method touchesEnded method touchesCancelled method An Example Swift iOS 8 Touch Multitouch and Tap Application The Example iOS 8 Tap and Touch Application Creating the Example iOS Touch Project Designing the User Interface Enabling Multitouch on the View Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Getting the Coordinates of a Touch Building and Running the Touch Example Application Detecting iOS 8 Touch Screen Gesture Motions in Swift The Example iOS 8 Gesture Application Creating the Example Project Designing the Application User Interface Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Building and Running the Gesture Example Identifying Gestures using iOS 8 Gesture Recognizers The UIGestureRecognizer Class Recognizer Action Messages Discrete and Continuous Gestures Obtaining Data from a Gesture Recognizing Tap Gestures Recognizing Pinch Gestures Detecting Rotation Gestures Recognizing Pan and Dragging Gestures Recognizing Swipe Gestures Recognizing Long Touch Touch and Hold Gestures An iOS 8 Swift Gesture Recognition Tutorial Creating the Gesture Recognition Project Designing the User Interface Implementing the Action Methods Testing the Gesture Recognition Application Implementing TouchID Authentication in iOS 8 Apps The Local Authentication Framework Checking for TouchID Availability Evaluating TouchID Policy A TouchID Example Project Checking for TouchID Availability Seeking TouchID Authentication Testing the Application An Overview of iOS 8 Collection View and Flow Layout An Overview of Collection Views The UICollectionView Class The UICollectionViewCell Class The UICollectionReusableView Class The UICollectionViewFlowLayout Class The UICollectionViewLayoutAttributes Class The UICollectionViewDataSource Protocol The UICollectionViewDelegate Protocol The UICollectionViewDelegateFlowLayout Protocol Cell and View Reuse A Swift iOS 8 Storyboard based Collection View Tutorial Creating the Collection View Example Project Removing the Template View Controller Adding a Collection View Controller to the Storyboard Adding the Collection View Cell Class to the Project Designing the Cell Prototype Implementing the Data Model Implementing the Data Source Testing the Application Setting Sizes for Cell Items Changing Scroll Direction Implementing a Supplementary View Implementing the Supplementary View Protocol Methods Subclassing and Extending the iOS 8 Collection View Flow Layout in Swift About the Example Layout Class Subclassing the UICollectionViewFlowLayout Class Extending the New Layout Class Implementing the layoutAttributesForItemAtIndexPath Method Implementing the layoutAttributesForElementsInRect Method Implementing the modifyLayoutAttributes Method Adding the New Layout and Pinch Gesture Recognizer Implementing the Pinch Recognizer Avoiding Image Clipping Testing the Application Drawing iOS 8 2D Graphics in Swift with Core Graphics Introducing Core Graphics and Quartz 2D The drawRect Method Points Coordinates and Pixels The Graphics Context Working with Colors in Quartz 2D Interface Builder Live Views and iOS 8 Embedded Frameworks Embedded Frameworks Interface Builder Live Views Creating the Example Project Adding an Embedded Framework Implementing the Drawing Code in the Framework Making the View Designable Making Variables Inspectable An iOS 8 Swift Graphics Tutorial using Core Graphics and Core Image The iOS Drawing Example Application Creating the New Project Creating the UIView Subclass Locating the

    Original URL path: http://www.techotopia.com/index.php?title=IOS_8_App_Development_Essentials&printable=yes (2016-02-13)
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  • IPhone iOS 5 Development Essentials Preface - Techotopia
    and support of other iOS 5 beta testers who were also working through the learning curve of the new features of iOS 5 with little in the way of documentation for guidance Without a doubt now is an exciting time to be an application developer Prior to the iPhone and the App Store a developer was responsible for finding a way to bring a completed application to market Success invariably went to the developer with the largest marketing budget or most web search traffic The App Store however has brought a more level playing field to the application market with both large and small developers given equal status within the marketplace Never before have hundreds of millions of users been required to go to a single place to locate and purchase software applications Every one of those users is a potential customer for your applications Before you begin your journey into the world of iPhone application development I d like to begin by imparting some things I have learned that don t necessarily relate to the actual coding of an application Firstly try to choose an application idea that fits in with something that interests you Both the development and subsequent sales of an application can be a rollercoaster ride of ups and downs Addressing a market about which you are passionate will provide the drive you need to overcome any obstacles Secondly check Apple s terms and conditions for acceptance into the App Store before beginning development work There is nothing worse than spending months of effort developing an application only to have it declined during the application review process That said however do not be too discouraged by an initial rejection Apple allows and indeed encourages developers to modify and resubmit applications for review and minor adjustments based

    Original URL path: http://www.techotopia.com/index.php/IPhone_iOS_5_Development_Essentials_Preface (2016-02-13)
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  • About iPhone iOS 5 Development Essentials - Techotopia
    the actions of Apple Inc first with the introduction of the Apple II computer in 1977 then again 30 years later with the iPhone in 2007 The iPhone and its peers in the smartphone market are remarkable technological achievements In a device small enough to put in your pocket the iPhone can make phone calls send and receive email SMS and MMS messages stream and play audio and video detect movement and rotation vibrate adapt the display brightness based on the ambient lighting surf the internet run apps from a selection of hundreds of thousands take high resolution photos record video tell you your exact location provide directions to your chosen destination play graphics intensive games and even detect when you put the device to your ear Perhaps the most amazing thing about the iPhone is that all of these capabilities and hardware features are available to you as an app developer In fact once you have an iPhone an Intel based Mac computer the iOS SDK a copy of the Xcode development environment and the necessary skills the only limit to the types of apps you can create is your own imagination and of course the restrictions placed on apps accepted into the Apple App Store The subject of this book is version 5 of the iOS operating system within the context of the iPhone iOS 5 introduces a wide range of new opportunities for the iPhone application developer to utilize Beginning with the basics this book provides an overview of the iPhone hardware and the architecture of iOS 5 An introduction to programming in Objective C is provided followed by an in depth look at the design of iPhone applications and user interfaces More advanced topics such as file handling database management graphics drawing and animation are also

    Original URL path: http://www.techotopia.com/index.php/About_iPhone_iOS_5_Development_Essentials (2016-02-13)
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  • The Anatomy of an iPhone 4S - Techotopia
    Frameworks Display The iPhone 4S has a 3 5 inch display with a resolution of 960 x 640 pixels capable of displaying 326 pixels per inch ppi with an 800 1 contrast ratio The underlying technology is an In Plane Switching IPS LED capacitive touch screen The screen has a scratch and oil and fingerprint resistant oleophobic coated surface and includes a proximity sensor which automatically turns off the screen when you put the phone to your ear presumably to extend the battery life during a phone call and to avoid making user interface selections with your ear The device also has ambient light detection which adjusts the screen brightness to ensure the optimal screen visibility in a variety of lighting conditions from bright sunlight to darkness Wireless Connectivity The iPhone 4S supports a wide range of connectivity options When within range of a Wi Fi network the device can connect at either 802 11b 802 11g or 802 11n speeds For making phone calls or transferring data when not connected to Wi Fi the AT T device supports GSM EDGE connectivity otherwise known as 2G For faster speeds support is also provided for connectivity via Universal Mobile Telecommunications System UMTS High Speed Downlink Packet Access HSDPA and High Speed Uplink Packet Access HSUPA This is better known as 3G and provides data transfer speeds of up to 7 2 megabits per second The iPhone 4S also includes Bluetooth v4 0 support with Enhanced Data Rate EDR technology Wired Connectivity Given the wide array of wireless options it is not surprising that the iPhone has little need for wired connections In fact the iPhone only has two One is a standard 3 5 mm headset jack for the attachment of headphones or other audio devices The second is a proprietary 30 pin dock connector which by default is used to provide a USB v2 0 connection for synching with a computer system and battery charging In practice however this connection also provides audio and TV output via specialty cables Memory The iPhone 4S comes in three editions containing 16GB 32GB and 64GB of memory respectively The memory is in the form of a flash drive Unlike some devices the iPhone lacks the ability to supplement the installed memory by inserting additional flash memory cards Cameras The iPhone 4S contains a 8 megapixel autofocus still camera which may also be used to record video at an HD resolution of 1080p included image stabilization and temporal noise reduction In addition the device also incorporates an LED flash and a VGA resolution 30 fps front facing camera Sensors The latest generation of iPhone has an array of sensors which would make even the most die hard 1960s science fiction fan jealous These consist of a proximity sensor which detects when the front of the phone is covered or otherwise obscured an accelerometer which uses the pull of gravity to detect when the device is moved or rotated a three axis gyroscope and an

    Original URL path: http://www.techotopia.com/index.php/The_Anatomy_of_an_iPhone_4S (2016-02-13)
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  • IPhone iOS 5 Architecture and SDK Frameworks - Techotopia
    Game Kit Framework GameKit framework The Game Kit framework provides peer to peer connectivity and voice communication between multiple devices and users allowing those running the same app to interact When this feature was first introduced it was anticipated by Apple that it would primarily be used in multi player games hence the choice of name but the possible applications for this feature clearly extend far beyond games development iAd Framework iAd framework The purpose of the iAd Framework is to allow developers to include banner advertising within their applications All advertisements are served by Apple s own ad service Event Kit UI Framework The Event Kit UI framework was introduced in iOS 4 and is provided to allow the calendar events to be accessed and edited from within an application Accounts Framework Accounts framework iOS 5 introduces the concept of system accounts These essentially allow the account information for other services to be stored on the iOS device and accessed from within application code Currently system accounts are limited to Twitter accounts though other services such as Facebook will likely appear in future iOS releases The purpose of the Accounts Framework is to provide an API allowing applications to access and manage these system accounts Twitter Framework Twitter framework The Twitter Framework allows Twitter integration to be added to applications The framework operates in conjunction the Accounts Framework to gain access to the user s Twitter account information The iOS Media Layer The role of the Media layer is to provide iOS with audio video animation and graphics capabilities As with the other layers comprising the iOS stack the Media layer comprises a number of frameworks which may be utilized when developing iPhone apps In this section we will look at each one in turn Core Video Framework CoreVideo framework The Core Video Framework provides buffering support for the Core Media framework Whilst this may be utilized by application developers it is typically not necessary to use this framework Core Text Framework CoreText framework The iOS Core Text framework is a C based API designed to ease the handling of advanced text layout and font rendering requirements Image I O Framework ImageIO framework The Image I O framework the purpose of which is to facilitate the importing and exporting of image data and image metadata was introduced in iOS 4 The framework supports a wide range of image formats including PNG JPEG TIFF and GIF Assets Library Framework AssetsLibrary framework The Assets Library provides a mechanism for locating and retrieving video and photo files located on the iPhone device In addition to accessing existing images and videos this framework also allows new photos and videos to be saved to the standard device photo album Core Graphics Framework CoreGraphics framework The iOS Core Graphics Framework otherwise known as the Quartz 2D API provides a lightweight two dimensional rendering engine Features of this framework include PDF document creation and presentation vector based drawing transparent layers path based drawing anti aliased rendering color manipulation and management image rendering and gradients Those familiar with the Quartz 2D API running on MacOS X will be pleased to learn that the implementation of this API is the same on iOS Core Image Framework CoreImage framework A new framework introduced with iOS 5 providing a set of video and image filtering and manipulation capabilities for application developers Quartz Core Framework QuartzCore framework The purpose of the Quartz Core framework is to provide animation capabilities on the iPhone It provides the foundation for the majority of the visual effects and animation used by the UIKit framework and provides an Objective C based programming interface for creation of specialized animation within iPhone apps OpenGL ES framework OpenGLES framework For many years the industry standard for high performance 2D and 3D graphics drawing has been OpenGL Originally developed by the now defunct Silicon Graphics Inc SGI during the 1990s in the form of GL the open version of this technology OpenGL is now under the care of a non profit consortium comprising a number of major companies including Apple Inc Intel Motorola and ARM Holdings OpenGL for Embedded Systems ES is a lightweight version of the full OpenGL specification designed specifically for smaller devices such as the iPhone iOS 3 or later supports both OpenGL ES 1 1 and 2 0 on certain iPhone models such as the iPhone 3GS and iPhone 4 Earlier versions of iOS and older device models support only OpenGL ES version 1 1 GLKit Framework GLKit framework The GLKit framework is an Objective C based API designed to ease the task of creating OpenGL ES based applications NewsstandKit Framework NewsstandKit framework The Newsstand application is a new feature of iOS 5 and is intended as a central location for users to gain access to newspapers and magazines The NewsstandKit framework allows for the development of applications that utilize this new service iOS Audio Support iOS is capable of supporting audio in AAC Apple Lossless ALAC A law IMA ADPCM Linear PCM µ law DVI Intel IMA ADPCM Microsoft GSM 6 10 and AES3 2003 formats through the support provided by the following frameworks AV Foundation framework AVFoundation framework An Objective C based framework designed to allow the playback recording and management of audio content Core Audio Frameworks CoreAudio framework AudioToolbox framework and AudioUnit framework The frameworks that comprise Core Audio for iOS define supported audio types playback and recording of audio files and streams and also provide access to the device s built in audio processing units Open Audio Library OpenAL OpenAL is a cross platform technology used to provide high quality 3D audio effects also referred to as positional audio Positional audio may be used in a variety of applications though is typically used to provide sound effects in games Media Player Framework MediaPlayer framework The iOS Media Player framework is able to play video in mov mp4 m4v and 3gp formats at a variety of compression standards resolutions and frame rates Core

    Original URL path: http://www.techotopia.com/index.php/IPhone_iOS_5_Architecture_and_SDK_Frameworks (2016-02-13)
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  • Joining the Apple iOS Developer Program - Techotopia
    As previously mentioned membership includes access to the latest versions of the iOS SDK and Xcode development environment The benefits of membership however go far beyond those offered at the Registered Apple Developer level One of the key advantages of the developer program is that it permits the creation of certificates and provisioning profiles to test applications on physical devices Although Xcode includes device simulators which allow for a significant amount of testing to be performed there are certain areas of functionality such as location tracking and device motion which can only fully be tested on a physical device Of particular significance is the fact that iCloud access can only be tested when applications are running on physical devices Of further significance is the fact that iOS Developer Program members have unrestricted access to the full range of guides and tutorials relating to the latest iOS SDK and more importantly have access to technical support from Apple s iOS technical support engineers though the annual fee covers the submission of only two support incident reports By far the most important aspect of the iOS Developer Program is that membership is a mandatory requirement in order to publish an application for sale or download in the App Store Clearly developer program membership is going to be required at some point before your application reaches the App Store The only question remaining is when exactly to sign up When to Enroll in the iOS Developer Program Clearly there are many benefits to iOS Developer Program membership and eventually membership will be necessary to begin selling applications As to whether or not to pay the enrollment fee now or later will depend on individual circumstances If you are still in the early stages of learning to develop iOS applications or have yet to come up with a compelling idea for an application to develop then much of what you need is provided by spending the nominal fee to purchase the latest iOS SDK and Xcode bundle As your skill level increases and your ideas for applications to develop take shape you can after all always enroll in the developer program at a later date If on the other hand you are confident that you will reach the stage of having an application ready to publish or know that you will need to test the functionality of the application on a physical device as opposed to a simulator then it is worth joining the developer program sooner rather than later Enrolling in the iOS Developer Program If your goal is to develop iPhone applications for your employer then it is first worth checking whether the company already has membership That being the case contact the program administrator in your company and ask them to send you an invitation from within the iOS Developer Program Member Center to join the team Once they have done so Apple will send you an email entitled You Have Been Invited to Join an Apple Developer Program containing a

    Original URL path: http://www.techotopia.com/index.php/Joining_the_Apple_iOS_Developer_Program (2016-02-13)
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