iOS UI-常用控件

#import "ViewController.h"

@interface ViewController ()<UITextFieldDelegate>

// 标题标签
@property (strong, nonatomic) UILabel *titleLablel;
// 分段控制器
@property (strong,nonatomic) UISegmentedControl *segment;
// 开关标签
@property (strong,nonatomic) UILabel *switchLable;
// 开关
@property (strong,nonatomic) UISwitch *swtch;
// 图片
@property (strong,nonatomic) UIImageView  *progressView;
// 等待指示器
@property (strong, nonatomic) UIActivityIndicatorView *progressIndicate;
// 下载按钮
@property (strong,nonatomic) UIButton *progressBtn;
// 进度条
@property (strong,nonatomic) UIProgressView *progress;
// 定时器
@property (strong,nonatomic) NSTimer *timer;
// 滑动条
@property (strong,nonatomic) UISlider *slider;
// 文本框
@property (strong,nonatomic) UITextField *textField;

@end

@implementation ViewController

#pragma mark - 标题标签
- (void)createTitleLeblel
{
    self.titleLablel = [[UILabel alloc] init];
    self.titleLablel.frame = CGRectMake(121, 16, 133, 45);
    self.titleLablel.font = [UIFont systemFontOfSize:26];
    self.titleLablel.textAlignment = NSTextAlignmentCenter;
    self.titleLablel.text = @"控件大全";
    [self.view addSubview: self.titleLablel];
    
}

#pragma mark - 分段控制器
- (void) createSegmentControl
{
    NSArray *array = @[@"first",@"second",@"third",@"fourth",@"defult"];
    self.segment =[[UISegmentedControl alloc] initWithItems:array];
    self.segment.frame = CGRectMake(22, 69, 331, 29);
    
    [self.segment addTarget:self action:@selector(segmentValueChanged:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:self.segment];
}

#pragma mark - 分段器关联方法
-(void)segmentValueChanged:(id)sender
{
    UISegmentedControl *tempSegment = (UISegmentedControl*) sender;
    switch (tempSegment.selectedSegmentIndex) {
        case 0:
            self.view.backgroundColor = [UIColor groupTableViewBackgroundColor];
            break;
        case 1:
            self.view.backgroundColor= [UIColor orangeColor];
            break;
        case 2:
            self.view.backgroundColor = [UIColor yellowColor];
            break;
        case 3:
            self.view.backgroundColor = [UIColor greenColor];
            break;
        case 4:
            self.view.backgroundColor = [UIColor lightGrayColor];
            break;

        default:
            break;
    }

}

#pragma mark - 开关
- (void) createSwitch
{
    self.switchLable = [[UILabel alloc] initWithFrame:CGRectMake(22, 338, 164, 21)];
    
    self.switchLable.text = @"开启";
    [self.view addSubview:self.switchLable];
    
    self.swtch = [[UISwitch alloc] initWithFrame:CGRectMake(304, 333, 51, 31)];
    
    [self.swtch addTarget:self action:@selector(switchIsOnOrOff) forControlEvents:UIControlEventValueChanged];
    
    [self.swtch setOn:YES];
    
    [self.view addSubview:self.swtch];
    
}
#pragma mark - 开关关联方法
- (void)switchIsOnOrOff
{
    if (self.swtch.isOn) {
       // NSLog(@"开关打开");
        self.titleLablel.hidden = NO;
        self.progressBtn.hidden = NO;
        self.progress.hidden = NO;
        self.slider.hidden = NO;
        self.textField.hidden = NO;
        
        
    }
    else{
        // NSLog(@"开关关闭");
        self.titleLablel.hidden = YES;
        self.progressBtn.hidden = YES;
        self.progress.hidden = YES;
        self.slider.hidden = YES;
        self.textField.hidden = YES;
    }

}

#pragma mark - 下载
-(void) createDownLoad
{
    //创建图片
    self.progressView = [[UIImageView alloc] initWithFrame:CGRectMake(80, 119, 214, 170)];
    self.progressView.image = [UIImage imageNamed:@"touxiang.jpg"];
    self.progressView.hidden =YES;
    [self.view addSubview:self.progressView];
    
    // 下载按钮
    self.progressBtn = [UIButton buttonWithType:UIButtonTypeSystem];
    self.progressBtn.frame = CGRectMake(22, 390, 100, 50);
    [self.progressBtn setTitle:@"下载图片" forState:UIControlStateNormal];
    [self.progressBtn setBackgroundColor:[UIColor redColor]];
    [self.progressBtn.titleLabel setFont:[UIFont systemFontOfSize:20]];
    [self.progressBtn addTarget:self action:@selector(downloadImage) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:self.progressBtn];
    
    // 进度条
    self.progress= [[UIProgressView alloc] initWithFrame:CGRectMake(150, 415, 200 , 2)];
    self.progress.progressViewStyle = UIProgressViewStyleDefault;
    // 进度条默认最小0，最大1
    self.progress.progress = 0;
    [self.view addSubview:self.progress];
    
    // 等待指示器
    self.progressIndicate = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
    self.progressIndicate.frame = CGRectMake(169, 185, 37, 37);
    [self.view addSubview:self.progressIndicate];
    
}
#pragma mark - 下载关联方法
-(void) downloadImage
{
    self.progress.progress = 0;
    self.progressView.hidden = YES;
    [self.progressIndicate startAnimating];
    self.timer = [NSTimer timerWithTimeInterval:0.2 target:self selector:@selector(progressAdd) userInfo:nil repeats:YES];
    [[NSRunLoop currentRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
    
}
#pragma mark - 进度条关联方法
-(void)progressAdd
{
    // 进度条没走到1
    if (self.progress.progress < 1)
        self.progress.progress +=0.1;
    // 进度条走到1
    else
    {
        self.progressView.hidden = NO;
        [self.progressIndicate stopAnimating];
        [self.timer invalidate];
    }
}

#pragma mark - 滑动条
-(void) createSlider
{
    //透明度标签
    UILabel *lable = [[UILabel alloc] initWithFrame:CGRectMake(32, 502, 102, 21)];
    lable.text = @"改变透明度";
    [self.view addSubview:lable];
    // 滑动条
    
    self.slider = [[UISlider alloc] initWithFrame:CGRectMake(201, 502, 154, 31)];
    self.slider.minimumValue = 0;
    self.slider.maximumValue = 1;
    self.slider.value = 1;
    [self.slider addTarget:self action:@selector(sliderValueChange) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:self.slider];
    
    
    
}
#pragma mark - 滑动条关联方法
- (void)sliderValueChange
{
    self.view.alpha = self.slider.value;
}

#pragma mark - 文本框
- (void)createTextField
{
    UILabel *lable = [[UILabel alloc] initWithFrame:CGRectMake(32, 582, 85, 21)];
    lable.text = @"文本输入：";
    [self.view addSubview:lable];
    // 文本框
    self.textField = [[UITextField alloc] initWithFrame:CGRectMake(203, 579, 156, 30)];
    self.textField.delegate = self;
    self.textField.borderStyle = UITextBorderStyleRoundedRect;
    [self.view addSubview:self.textField];
    
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    // 响应者链(自己玩玩看)
    
    // 取消文本框第一响应者
    [self.textField resignFirstResponder];
    
    // 收回键盘
    return YES;
}

- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
    //上下文动画内，改变当前视图坐标
    [UIView beginAnimations:@"text" context:nil];
    [UIView setAnimationDuration:0.3];
    
    CGRect rect = self.view.frame;
    rect.origin.y = -210;
    self.view.frame = rect;
    
    [UIView commitAnimations];
    return YES;
}
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
    //上下文动画内，改变当前视图坐标
    [UIView beginAnimations:@"text" context:nil];
    [UIView setAnimationDuration:0.3];
    
    CGRect rect = self.view.frame;
    rect.origin.y = 0;
    self.view.frame = rect;
    
    [UIView commitAnimations];
    return YES;

    
    
}


- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self.view setBackgroundColor:[UIColor grayColor]];
    
    // 标题
    [self createTitleLeblel];
    // 分段控制器
    [self createSegmentControl];
    // 开关
    [self createSwitch];
    // 下载
    [self createDownLoad];
    // 滑动条
    [self createSlider];
    // 文本框
    [self createTextField];
    

}