gistfile1.txt

//
//  ViewController.m
//  121129
//
//  Created by changhwi on 12/11/29.
//  Copyright (c) 2012年 changhwi. 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.
    valueR = 1.0;
    valueG = 1.0;
    valueB = 1.0;
    valueA = 1.0;
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

//textFieldの数字を更新
-(void)textFieldUpdate{
    _textField.text = [NSString stringWithFormat:@"%d", count];
}
-(void)viewUpdate{[
                   UIView
                   animateWithDuration:0.5
                   animations:^{self.view.backgroundColor = [UIColor colorWithRed:valueR green:valueG blue:valueB alpha:1];
                   }];
}

-(void)buttonRPlusColorChenge{
    if (valueR >= 1.0) {
        [UIView
         animateWithDuration:0.1
         animations:^{self.buttonRPlusOutlet.backgroundColor =
             [UIColor colorWithRed:1.0 green:0.0 blue:0.0 alpha:1.0];}];
    }
    else{
        [UIView
         animateWithDuration:0.1
         animations:^{self.buttonRPlusOutlet.backgroundColor =
             [UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1.0];}];
    }

}

- (IBAction)buttonUfo:(id)sender {
}

#pragma mark - buttonR
- (IBAction)buttonRPlus:(id)sender {
    if (count >= 0) {
        count++;
    }
    if (valueR <= 1.0) {
        valueR += 0.1;
    }
    NSLog(@"%f", valueR);
    [self textFieldUpdate];
    [self viewUpdate];
    [self buttonRPlusColorChenge];
}
- (IBAction)buttonRMinus:(id)sender {
    if (count > 0) {
        count--;
    }
    if (valueR >= 0.0) {
        valueR -= 0.1;
    }
    NSLog(@"%f", valueR);
    [self textFieldUpdate];
    [self viewUpdate];
    [self buttonRPlusColorChenge];
}

#pragma mark - buttonG

- (IBAction)buttonGPlus:(id)sender {
    if (count >= 0) {
        count++;
    }
    if (valueG <= 1.0) {
        valueG += 0.1;
    }
    NSLog(@"%f", valueG);
    [self textFieldUpdate];
    [self viewUpdate];    
}
- (IBAction)buttonGMinus:(id)sender {
    if (count > 0) {
        count--;
    }
    if (valueG >= 0.0) {
        valueG -= 0.1;
    }
    NSLog(@"%f", valueG);
    [self textFieldUpdate];
    [self viewUpdate];

}

#pragma mark - buttonB
- (IBAction)buttonBPlus:(id)sender {
    if (count >= 0) {
        count++;
    }
    if (valueB <= 1.0) {
        valueB += 0.1;
    }
    NSLog(@"%f", valueB);
    [self textFieldUpdate];
    [self viewUpdate];
}
- (IBAction)buttonBMinus:(id)sender {
    if (count > 0) {
        count--;
    }
    if (valueB >= 0.0) {
        valueB -= 0.1;
    }
    NSLog(@"%f", valueB);
    [self textFieldUpdate];
    [self viewUpdate];
}
@end