Why do We Need Concurrency in IOS ?

I know you’re a good developer with experience in iOS. No matter what kinds of apps you’re going to build, however, you will need to know concurrency to make your app more responsive and fast. Here I summarize in points…

Steps to reviewing your codes in IOS !

Most of the time when i am sitting to code in Xcode for IOS apps , one thing in my mind is to finish the task related to Project…Whether it is well planned or not.But the problem i always face…

how to split a file in chunk in IOS or Javascript

How to split a file in chunk in IOS or Javascript Uploading in HTML has always left much to be desired from developers. Uploading files which are only a few hundred kilobytes in one go is all fine and good…

How to Edit UITableViewCell in IOS

In Most of cases we use UITableView for displaying texts or contents. Specially we use UiTableView for present our contents . But while the time of editing the contents of UITableView Cell we use different UiView or Different Viewcontroller.In This…

How to add third party libraries properly in iOS

In Most of the time we write lots of code to implement a or some functionality(Like Networking,feedback,parsing etc).strangely the same functionality is available on the free of cost on various source of repositories. we need to consume them in our…

How to call global method with parameters or arguments in IOS !!!

How to call global method with parameters or arguments in IOS   //SINGLETONCLASS.H #import <Foundation/Foundation.h> #import <UIKit/UIKit.h> #import static NSString *databaseName1; static NSString *databasePath1; static sqlite3 *contactDB1; @interface mysingleton : NSObject { //DATABASE STARTS NSString *databaseName; NSString *databasePath; sqlite3 *contactDB;…

Methods of NSString in IOS !!!

NSString is a predefine class available in Foundation Framework. 1)stringWithString – By using this we can create a string object with another string content.(class method). 2)Length – By Using this method, we can find length of string. 3)stringByAppendString – By…

UITextField and its Properties in IOS ?

By using this view we can place single line text content. When we are working UITextfield we require to implement UITextfieldDelegate methods. When we are editing UITextfield data then automatically keyboard will appear. UITextField propertie’s are. 1)borderStyle 2)autocorrectionType 3)keyboardType 4)keyboardAppearance…

What is Delegate Means in Objective-C (IOS Application Development)

A delegate allows one object to send messages to another object when an event happens. For example, if you’re downloading data from a web site asynchronously using the NSURLConnection class. NSURLConnection has three common delegates: - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error…

Fundamentals of Objective-C !!!

Objective-C is a general purpose high level Object Oriented programming language. Objective-C programming language designed by using C and Smalltalk-80 programming language. Objective-C programming language follows smalltalk message passing style(syntax) along with ‘C’ programming concept. Objective-C is a main Programming…

Singleton Class sample

//.h file should contain + (MySingleton *)sharedInstance;   //.m file must declare as below + (MySingleton *)sharedInstance { static dispatch_once_t once; static MySingleton *instance; dispatch_once(&once, ^{ instance = [[MySingleton alloc] init]; }); return instance; } - (id)init { if (self…

Tips for Bounds and Frames in IOS

Tips for Bounds and Frames in IOS

The bounds of an UIView is the rectangle, expressed as a location (x,y) and size (width,height) relative to its own coordinate system (0,0). The frame of an UIView is the rectangle, expressed as a location (x,y) and size (width,height) relative…

Tips to create dropdown list in IOS

Tips to create dropdown list in IOS

The Native iOS controls do not specifically have a native control for a dropdown. What we want is a control that behaves like a dropdown that uses a UIPickerControl . Native iOS dropdown To create the dropdown arrow we create…

Simple Objective-C Tutorial For Developing Apps in IOS

Objective-C is an object-oriented programming language, and is a layer over the C programming language. This means that if you know how to write C, there are only a few syntax changes to learn. In this section, we will look…