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Useful programming tips: How To Scan QR Code Using AVFoundation Framework

http://gabriel-tips.blogspot.com/2013/12/how-to-scan-qr-code-using-avfoundation.html

How To Scan QR Code Using AVFoundation Framework. IOS 7 brings a wealth of new features that set it apart from all other mobile operating systems. Both major additions and minor improvements have been made, offering developers new or updated frameworks and APIs to work with, and the opportunity to provide single users with a much richer experience. Read the full tutorial on Appcoda. Subscribe to: Post Comments (Atom). Input Accessory View (How to add extra controls above keyboard). I am Gabriel, and Ive ...

gabriel-tips.blogspot.com

Useful programming tips: Introduction to Objective-C Blocks

http://gabriel-tips.blogspot.com/2014/01/introduction-to-objective-c-blocks.html

Introduction to Objective-C Blocks. Blocks do not consist of a new programming discovery in Objective-C. They exist in other programming languages too (such as Javascript) with other names, such as. Well, a block is a. Self-contained, autonomous code fragment. They can be executed in a later time, and not when the code of the scope they have been implemented is being executed. Read the full tutorial on Appcoda. Subscribe to: Post Comments (Atom). How to post on Facebook wall through an iOS app. How to im...

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Useful programming tips: Using Text Kit to Manage Text in Your iOS Apps

http://gabriel-tips.blogspot.com/2014/01/using-text-kit-to-manage-text-in-your.html

Using Text Kit to Manage Text in Your iOS Apps. IOS 7 brings along new rules and new Human Interface Guidelines. HIG) that should be followed by all developers. One of those guidelines regarding the all brand-new look and feel, highlights the fact that an application’s interface should not compete with the content, nor distracting users from it, but supporting it in the best possible way. This fact is called. Text Kit is part of the. A powerful framework, yet hard to work with. Further than that, only.

gabriel-tips.blogspot.com

Useful programming tips: Creating a Custom Text Input View

http://gabriel-tips.blogspot.com/2013/04/creating-custom-text-input-view.html

Creating a Custom Text Input View. Developing an amazing application is not a simple job. Traditionally, one of the most difficult aspects of doing so has been creating rich, compelling interfaces. This tutorial will teach you how to build a custom text input view that will help make your own apps shine! The series format is as follows:. Creating a Custom Text Input View. Creating a Custom Accordion Menu. Creating a Custom Alert View. Read the full tutorial on the MobileTuts. Having worked with many prog...

gabriel-tips.blogspot.com

Useful programming tips: Creating a Custom Alert View

http://gabriel-tips.blogspot.com/2013/06/creating-custom-alert-view.html

Creating a Custom Alert View. Welcome to the third and last part of this session, where we’ve created some useful custom views. We’ve implemented a custom text input view, a custom accordion menu, and now we’re going to build a simple custom alert view. Read on! The custom Alert View is going to be an alternative, simple, and nice alert view that will serve our need to display simple messages to the user. It will mainly consist of the following parts. A label upon which the message will appear. UIPickerV...

gabriel-tips.blogspot.com

Useful programming tips: Working with the NSOperationQueue Class

http://gabriel-tips.blogspot.com/2013/03/working-with-nsoperationqueue-class.html

Working with the NSOperationQueue Class. Multi-tasking prevents apps from freezing. In most programming languages, achieving this is a bit tricky, but the NSOperationQueue class in iOS makes it easy! Read the full tutorial on the MobileTuts. June 11, 2013 at 7:44 AM. This comment has been removed by a blog administrator. Subscribe to: Post Comments (Atom). Input Accessory View (How to add extra controls above keyboard). How to post on Facebook wall through an iOS app. There was an error in this gadget.

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Useful programming tips: Accessing Google Services Using the OAuth 2.0 Protocol

http://gabriel-tips.blogspot.com/2013/09/accessing-google-services-using-oauth.html

Accessing Google Services Using the OAuth 2.0 Protocol. If you are not familiar with the OAuth 2.0 protocol you should do some background reading now before continuing this tutorial. Specifically, review the following links:. OAuth 2.0 Documentation and Specification. About OAuth in Wikipedia. In general, the OAuth 2.0 authorization flow adheres to the following pattern:. Let users connect to their online account. Get an authorization code (i.e. authorization token). Labels access Google API. I am Gabrie...

gabriel-tips.blogspot.com

Useful programming tips: March 2014

http://gabriel-tips.blogspot.com/2014_03_01_archive.html

Working With Background Fetch in iOS 7. However, with the iOS 7 SDK coming things drastically changed thanks to the Background Fetch. API, which is part of the new multitasking features that the latest version of iOS supports. When the Background Fetch feature is enabled to an app,. The system wakes the app up in the background from time to time and lets it go online to fetch new data with goal to refresh its content. Working with Game Center and Game Kit Framework. Subscribe to: Posts (Atom). How to pla...

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Useful programming tips: Working with Game Center and Game Kit Framework

http://gabriel-tips.blogspot.com/2014/03/working-with-game-center-and-game-kit.html

Working with Game Center and Game Kit Framework. On App Store, the most popular app category among all is the Games category, something that even Apple accepts as a fact. And how this couldn’t be true, regarding that all or almost all iOS users have downloaded and played one or more games, at least one time? The features supported and provided by Game Center could be synopsized in the following list:. Read the full tutorial on Appcoda. Subscribe to: Post Comments (Atom). UITableView: Display and hide cel...

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Useful programming tips: Working with Google Calendars

http://gabriel-tips.blogspot.com/2013/09/working-with-google-calendars.html

Working with Google Calendars. The app we’ll build in this tutorial is going to let users get connected to their Google account, download their calendars, and create a new event with a description and a date/time. The new event will be posted to a calendar that the user selects. Regarding our app structure, the basic view is going to be a table view that will contain three sections for setting the following data:. Let’s get started! Read the full tutorial on the MobileTuts. Labels iOS and Google. How to ...