iOS常用UI控件

UISegmentedControl

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UISegmentedControl *segement = [[UISegmentedControl alloc] initWithItems:@[@”小学”,@”初中”,@”高中”]];
  segement.frame = CGRectMake(100, 200, 200, 40);
  [self.view addSubview:segement];

  //设置颜色
  segement.tintColor = [UIColor redColor];

  //设置标题
  [segement setTitle:@”大学” forSegmentAtIndex:2];

  //设置图片
  [segement setImage:[UIImage imageNamed:@”bj_top_jt@2x”] forSegmentAtIndex:0];

  //插入标题
  [segement insertSegmentWithTitle:@”高中” atIndex:2 animated:YES];

  //插入图片
  [segement insertSegmentWithImage:[UIImage imageNamed:@”Fav_Filter_ALL_HL@2x”] atIndex:4 animated:YES];

  //移除内容
  [segement removeSegmentAtIndex:4 animated:YES];
  // [segement removeAllSegments];

  //事件处理
  //除了button之外所有的点击控件都用UIControlEventValueChanged触发
  [segement addTarget:self action:@selector(changeValue:) forControlEvents:UIControlEventValueChanged];

}

• (void)changeValue:(UISegmentedControl *)segment
  {
  NSLog(@”index == %ld”,segment.selectedSegmentIndex);
  NSLog(@”title == %@”,[segment titleForSegmentAtIndex:segment.selectedSegmentIndex]);
  // [segment imageForSegmentAtIndex:0];
  }

UISlider

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(100, 200, 200, 30)];

  //设置最小值
  slider.minimumValue = 100;

  //设置最大值
  slider.maximumValue = 1000;

  //设置滑过的颜色
  slider.minimumTrackTintColor = [UIColor redColor];

  //设置未滑过的颜色
  slider.maximumTrackTintColor = [UIColor greenColor];

  //设置滑块按钮的颜色
  slider.thumbTintColor = [UIColor blackColor];

  //添加事件
  [slider addTarget:self action:@selector(changeValue:) forControlEvents:UIControlEventValueChanged];

  [self.view addSubview:slider];
  }

• (void)changeValue:(UISlider *)slider
  {
  //当前value
  NSLog(@”slider == %g”,slider.value);
  }

UISwitch

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UISwitch *swth = [[UISwitch alloc] initWithFrame:CGRectMake(100, 200, 100, 30)];
  //设置开的颜色
  // swth.onTintColor = [UIColor redColor];

  //设置滑块的颜色
  // swth.thumbTintColor = [UIColor blackColor];

  swth.on = YES;

  //添加事件
  [swth addTarget:self action:@selector(valueChange:) forControlEvents:UIControlEventValueChanged];

  [self.view addSubview:swth];
  }

• (void)valueChange:(UISwitch *)swth
  {
  if (swth.isOn) {
  NSLog(@”开”);
  }else
  {
  NSLog(@”关”);
  }
  }

UIActivityIndicatorView

UIActivityIndicatorView *activity = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

activity.frame = CGRectMake(100, 200, 100, 50);

//开始转动
[activity startAnimating];

//设置颜色
activity.color = [UIColor redColor];

[self.view addSubview:activity];

UIProgressView

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UIProgressView *progress = [[UIProgressView alloc] initWithFrame:CGRectMake(50, 200, 300, 50)];

  //未走过的颜色
  progress.trackTintColor = [UIColor redColor];

  //走过的颜色
  progress.progressTintColor = [UIColor greenColor];

  [self.view addSubview:progress];

  //计时器让进度条走
  [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(progress:) userInfo:progress repeats:YES];
  }

• (void)progress:(NSTimer *)time
  {
  UIProgressView progress2 = (UIProgressView )time.userInfo;

  //progress2.progress当前进度条的值
  [progress2 setProgress:progress2.progress+0.1 animated:YES];

  //进度条最大值为1
  if (progress2.progress == 1) {
  if ([time isValid]) {
  [time invalidate];
  }
  }
  }

UIActionSheet

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(sheetShow)];
  [self.view addGestureRecognizer:tap];
  }

• (void)sheetShow
  {
  //参数1:主标题 默认是灰色
  //参数2:代理对象
  //参数3:取消按钮
  //参数4:副标题 默认是红色
  //参数5:其他标题 蓝色
  UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@”取消” destructiveButtonTitle:nil otherButtonTitles:@”上海”,@”北京”,@”杭州”, nil];

  [sheet showInView:self.view];
  }

• (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
  {
  NSLog(@”buttonIndex == %ld”,buttonIndex);
  NSLog(@”title == %@”,[actionSheet buttonTitleAtIndex:buttonIndex]);
  }

UIAlertView

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(alertShow)];
  [self.view addGestureRecognizer:tap];
  }

• (void)alertShow
  {
  //参数1：主标题
  //参数2：发送的信息
  //参数3：代理对象
  //参数4：取消按钮
  //参数5：其他按钮
  UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@”英雄联盟” message:@”您的账号已被封” delegate:self cancelButtonTitle:@”取消” otherButtonTitles:@”确定”, nil];

  [alert show];
  }

• (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
  {
  NSLog(@”index == %ld”,buttonIndex);
  // if (buttonIndex == 0) {
  //
  // }else
  // {
  //
  // }
  NSLog(@”title == %@”,[alertView buttonTitleAtIndex:buttonIndex]);
  }

UIStepper

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];

  _label = [[UILabel alloc] initWithFrame:CGRectMake(50, 190, 50, 50)];
  _label.textAlignment = NSTextAlignmentCenter;
  [self.view addSubview:_label];

  UIStepper *stepper = [[UIStepper alloc] initWithFrame:CGRectMake(100, 200, 100, 50)];

  [stepper addTarget:self action:@selector(changeValue:) forControlEvents:UIControlEventValueChanged];
  // stepper.tintColor = [UIColor redColor];

  [self.view addSubview:stepper];
  }

• (void)changeValue:(UIStepper *)stepper
  {
  //当前值
  NSLog(@”value == %g”,stepper.value);
  //步进数
  NSLog(@”stepValue == %g”,stepper.stepValue);

  _label.text = [NSString stringWithFormat:@”%g”,stepper.value];
  }