iOS/iPhone viewDidLoad , didReceiveMemoryWarning , dealloc (Objective-C , iPhone)

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    myString = @"This is my string";
    lblResult.text = myString;
    
}

- (void)didReceiveMemoryWarning {
    /* This is the view controller's method */
    [super didReceiveMemoryWarning];
    if (![self isViewLoaded]) {
	/* release your custom data which will be rebuilt in loadView or viewDidLoad */
	myString = nil;
	[myString release];
	[lblResult release];
    }
}

- (void)dealloc {
    [lblResult release];
    [super dealloc];
}

//
//  ViewController.h
//  myAppTest
//
//  Created by Weerachai on 11/18/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController
{
    IBOutlet UILabel *lblResult;
}

@end

//
//  ViewController.m
//  myAppTest
//
//  Created by Weerachai on 11/18/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
{
    NSString *myString;
}

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    myString = @"This is my string";
    lblResult.text = myString;
    
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    
    myString = nil;
    [myString release];
}

- (void)dealloc {
    [lblResult release];
    [super dealloc];
}

@end