iphone gyak 1

// ViewController.h kiegészítése:
// -(void)kattintas:(UIButton*)sender;

//
//  ViewController.m
//  sikerelmeny_proba2
//
//  Created by Hallgato on 2014.02.12..
//  Copyright (c) 2014 __MyCompanyName__. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    self.view.backgroundColor=[UIColor whiteColor];

    UILabel *label =[[UILabel alloc] initWithFrame:CGRectMake(10, 50, 120, 30)];
    label.tag=999; // ez mindegy mennyi
    label.text=@"hello world";
    [self.view addSubview:label];
    [label release];

    UITextField *textfield=[[UITextField alloc] initWithFrame:CGRectMake(10, 10, 100, 30)];
    textfield.tag=1000;
    textfield.borderStyle = UITextBorderStyleRoundedRect;
    [self.view addSubview:textfield];
    [textfield release];

    UIButton *button=[UIButton buttonWithType:UIButtonTypeRoundedRect];
    button.frame=CGRectMake(120, 10, 100, 30);
    [button setTitle:@"Button" forState:UIControlStateNormal];
    [button addTarget:self action:@selector(kattintas:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];

}

-(void)kattintas:(UIButton *)sender
{
    UITextField *textfield=(UITextField*)[self.view viewWithTag:1000];
    UILabel *label=(UILabel*)[self.view viewWithTag:999];
    label.text=[NSString stringWithFormat:@"Hello %@", textfield.text];
}

- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}

@end