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Introduction

Hello everyone, welcome to my fourth screeencast. This is the second in my series introducing readers to Objective C. Let’s dive in.

Skill Level Beginner

Screencast

I film myself coding out the entire sample project for each post. I personally think going through the Screencast is the best way to learn. But feel free to look through the slides and text if that suites you better.

Objective C 2.0: An Intro – Part 2

Tutorial

iCodeBlogClass.m:

@implementation iCodeBlogClass

@synthesize name;

-init
{
	return self;
}

@end

iCodeBlogGetsClassy.h:

#import "iCodeBlogClass.h"

iCodeBlogGetsClassy.h:

iCodeBlogClass *myNewObject = [[iCodeBlogClass alloc] init];
NSLog(@"%@", myNewObject);

iCodeBlogClass.h:

#import <Foundation/Foundation.h>

@interface iCodeBlogClass : NSObject
{
	NSString *name;
}

@property (nonatomic, retain) NSString *name;

@end

iCodeBlogClass.m:

@synthesize name;

iCodeBlogGetsClassy.m:

iCodeBlogClass *myNewObject = [[iCodeBlogClass alloc] init];
[myNewObject setName:@"Collin"];

NSLog(@"%@", [myNewObject name]);

iCodeBlogClass.m:

-initWithName:(NSString *)inputName
{
     self.name = inputName;
     return self;
}

iCodeBlogGetsClassy.m:

iCodeBlogClass *myNewObject = [[iCodeBlogClass alloc] initWithName:@"Collin"];

iCodeBlogGetsClassy.m:

iCodeBlogClass *person1 = [[iCodeBlogClass alloc] initWithName:@"Collin"];

iCodeBlogGetsClassy.m:

	iCodeBlogClass *person1 = [[iCodeBlogClass alloc] initWithName:@"Collin"];
	iCodeBlogClass *person2 = [[iCodeBlogClass alloc] initWithName:@"Martin"];
	iCodeBlogClass *person3 = [[iCodeBlogClass alloc] initWithName:@"vtsib"];
	iCodeBlogClass *person4 = [[iCodeBlogClass alloc] initWithName:@"AppStoreMod"];
	iCodeBlogClass *person5 = [[iCodeBlogClass alloc] initWithName:@"Matt"];
	iCodeBlogClass *person6 = [[iCodeBlogClass alloc] initWithName:@"Brendan"];
	iCodeBlogClass *person7 = [[iCodeBlogClass alloc] initWithName:@"Geoff"];
	iCodeBlogClass *person8 = [[iCodeBlogClass alloc] initWithName:@"RobotGrrl"];
	iCodeBlogClass *person9 = [[iCodeBlogClass alloc] initWithName:@"brandon"];
	iCodeBlogClass *person10 = [[iCodeBlogClass alloc] initWithName:@"Aaron"];
	iCodeBlogClass *person11 = [[iCodeBlogClass alloc] initWithName:@"Brian"];
	iCodeBlogClass *person12 = [[iCodeBlogClass alloc] initWithName:@"Fernando"];
	iCodeBlogClass *person13 = [[iCodeBlogClass alloc] initWithName:@"Chad"];

iCodeBlogGetsClassy.m:

NSMutableArray *myArray = [[NSMutableArray alloc] init];

iCodeBlogGetsClassy.m:

	[myArray addObject:person1];
	[myArray addObject:person2];
	[myArray addObject:person3];
	[myArray addObject:person4];
	[myArray addObject:person5];
	[myArray addObject:person6];
	[myArray addObject:person7];
	[myArray addObject:person8];
	[myArray addObject:person9];
	[myArray addObject:person10];
	[myArray addObject:person11];
	[myArray addObject:person12];
	[myArray addObject:person13];

iCodeBlogGetsClassy.m:

	for(iCodeBlogClass *myObject in myArray)
	{
		NSLog(@"%@", myObject);
	}

iCodeBlogGetsClassy.m:

-(NSString *)description
{
	return [NSString stringWithFormat:@"The name of the object is %@", self.name];
}

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Tags: IO, script, way