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(, , , );
     self.titleLablel.font = [UIFont systemFontOfSize:];
     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(, , , );

     [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 :
             self.view.backgroundColor = [UIColor groupTableViewBackgroundColor];
             break;
         case :
             self.view.backgroundColor= [UIColor orangeColor];
             break;
         case :
             self.view.backgroundColor = [UIColor yellowColor];
             break;
         case :
             self.view.backgroundColor = [UIColor greenColor];
             break;
         case :
             self.view.backgroundColor = [UIColor lightGrayColor];
             break;

         default:
             break;
     }

 }

 #pragma mark - 开关
 - (void) createSwitch
 {
     self.switchLable = [[UILabel alloc] initWithFrame:CGRectMake(, , , )];

     self.switchLable.text = @"开启";
     [self.view addSubview:self.switchLable];

     self.swtch = [[UISwitch alloc] initWithFrame:CGRectMake(, , , )];

     [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(, , , )];
     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(, , , );
     [self.progressBtn setTitle:@"下载图片" forState:UIControlStateNormal];
     [self.progressBtn setBackgroundColor:[UIColor redColor]];
     [self.progressBtn.titleLabel setFont:[UIFont systemFontOfSize:]];
     [self.progressBtn addTarget:self action:@selector(downloadImage) forControlEvents:UIControlEventTouchUpInside];
     [self.view addSubview:self.progressBtn];

     // 进度条
     self.progress= [[UIProgressView alloc] initWithFrame:CGRectMake(, ,  , )];
     self.progress.progressViewStyle = UIProgressViewStyleDefault;
     // 进度条默认最小0，最大1
     self.progress.progress = ;
     [self.view addSubview:self.progress];

     // 等待指示器
     self.progressIndicate = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
     self.progressIndicate.frame = CGRectMake(, , , );
     [self.view addSubview:self.progressIndicate];

 }
 #pragma mark - 下载关联方法
 -(void) downloadImage
 {
     self.progress.progress = ;
     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 < )
         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(, , , )];
     lable.text = @"改变透明度";
     [self.view addSubview:lable];
     // 滑动条

     self.slider = [[UISlider alloc] initWithFrame:CGRectMake(, , , )];
     self.slider.minimumValue = ;
     self.slider.maximumValue = ;
     self.slider.value = ;
     [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(, , , )];
     lable.text = @"文本输入：";
     [self.view addSubview:lable];
     // 文本框
     self.textField = [[UITextField alloc] initWithFrame:CGRectMake(, , , )];
     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 = -;
     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 = ;
     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];

 }