iOS—UI-手势及控件（segment switch slider）的使用

//

//  ViewController.m

//  UI-手势及控件练习

//

//  Created by jzq_mac on 15/7/24.

//  Copyright (c) 2015年 jzq_mac. All rights reserved.

//

#import
"ViewController.h"

@interface ViewController ()

{

UIImageView *image;

UIImageView *image1;

UILabel *label;

NSArray *colorList ;

NSArray *imgeList ;

UISlider *slider ;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super
viewDidLoad];

self.view.backgroundColor = [UIColor
grayColor];

colorList =
@[[UIColor
blueColor],[UIColor
brownColor],[UIColor
yellowColor],[UIColor
grayColor],[UIColor
blackColor],[UIColor
purpleColor],[UIColor
whiteColor],[UIColor
cyanColor]];

imgeList =
@[[UIImage
imageNamed:@"头条1.jpg"],[UIImage
imageNamed:@"娱乐1.jpg"],[UIImage
imageNamed:@"科技1.jpg"],[UIImage
imageNamed:@"財经1.jpg"],[UIImage
imageNamed:@"军事1.jpg"],[UIImage
imageNamed:@"段子1.jpg"]];

image1 = [[UIImageView
alloc]initWithFrame:[UIScreen
mainScreen].bounds];

image1.alpha =
0.3;

[self.view
addSubview:image1];

label = [[UILabel
alloc]initWithFrame:CGRectMake(60,
300,
250, 50)];

label.text =
@"