详细控件编写

  

@interface MainViewController : UIViewController  

  

@property (strong, nonatomic) UIButton *myBtn;  

@property (strong, nonatomic) UISlider *mySlider;  

@property (strong, nonatomic) UISwitch *mySwitch;  

@property (strong, nonatomic) UISegmentedControl *mySc;  

  

@end</span>  



MainViewController.m



 



 



[cpp] view plaincopy



<span style="font-size:10px;">#import "MainViewController.h"  

  

@interface MainViewController ()  

  

@end  

  

@implementation MainViewController  

@synthesize myBtn,mySlider,mySwitch,mySc;  

  

- (void)viewDidLoad  

{  

    // 加载UIView  

    UIView *mainView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];  

    mainView.backgroundColor = [UIColor whiteColor];  

    self.view = mainView;  

    [mainView release];  

      

    // 创建一个Button按钮  

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];  

    btn.frame = CGRectMake(100, 30, 57, 57);  

    [btn setTitle:@"Button" forState:UIControlStateNormal];  

    [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];  

    [btn setBackgroundImage:[UIImage imageNamed:@"icon.png"] forState:UIControlStateNormal];  

    [btn addTarget:self action:@selector(onClick:) forControlEvents:UIControlEventTouchUpInside];  

    myBtn = btn;  

    [self.view addSubview:myBtn];  

      

      

    // 创建一个Slider划块按钮  

    UISlider *slider = [[[UISlider alloc] initWithFrame:CGRectMake(50, 180, 200, 10)] autorelease];  

    slider.minimumValue = 0.0f;  

    slider.maximumValue = 100.0f;  

    slider.value = 50.0f;  

    [slider addTarget:self action:@selector(onChange:) forControlEvents:UIControlEventTouchUpInside];  

    mySlider = slider;  

    [self.view addSubview:mySlider];  

      

    // 创建一个UISwitch开关按钮  

    UISwitch *sbtn = [[[UISwitch alloc] initWithFrame:CGRectMake(50, 210, 200, 50)] autorelease];  

    [sbtn addTarget:self action:@selector(onSwitch:) forControlEvents:UIControlEventTouchUpInside];  

    mySwitch = sbtn;  

    [self.view addSubview:mySwitch];  

      

    // 创建一个UISegmentedControl  

    NSArray *btnList = [NSArray arrayWithObjects:@"left",@"center",@"right", nil];  

    UISegmentedControl *sc = [[[UISegmentedControl alloc] initWithItems:btnList] autorelease];  

    sc.frame = CGRectMake(50, 250, 200, 60);  

    [sc addTarget:self action:@selector(onSelect:) forControlEvents:UIControlEventTouchUpInside];  

    mySc = sc;  

    [self.view addSubview:mySc];  

      

    [super viewDidLoad];  

}  

  

@interface MainViewController : UIViewController  

  

@property (strong, nonatomic) UIButton *myBtn;  

@property (strong, nonatomic) UISlider *mySlider;  

@property (strong, nonatomic) UISwitch *mySwitch;  

@property (strong, nonatomic) UISegmentedControl *mySc;  

  

@end</span>  



MainViewController.m

 



 



[cpp] view plaincopy



<span style="font-size:10px;">#import "MainViewController.h"  

  

@interface MainViewController ()  

  

@end  

  

@implementation MainViewController  

@synthesize myBtn,mySlider,mySwitch,mySc;  

  

- (void)viewDidLoad  

{  

    // 加载UIView  

    UIView *mainView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];  

    mainView.backgroundColor = [UIColor whiteColor];  

    self.view = mainView;  

    [mainView release];  

      

    // 创建一个Button按钮  

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];  

    btn.frame = CGRectMake(100, 30, 57, 57);  

    [btn setTitle:@"Button" forState:UIControlStateNormal];  

    [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];  

    [btn setBackgroundImage:[UIImage imageNamed:@"icon.png"] forState:UIControlStateNormal];  

    [btn addTarget:self action:@selector(onClick:) forControlEvents:UIControlEventTouchUpInside];  

    myBtn = btn;  

    [self.view addSubview:myBtn];  

      

      

    // 创建一个Slider划块按钮  

    UISlider *slider = [[[UISlider alloc] initWithFrame:CGRectMake(50, 180, 200, 10)] autorelease];  

    slider.minimumValue = 0.0f;  

    slider.maximumValue = 100.0f;  

    slider.value = 50.0f;  

    [slider addTarget:self action:@selector(onChange:) forControlEvents:UIControlEventTouchUpInside];  

    mySlider = slider;  

    [self.view addSubview:mySlider];  

      

    // 创建一个UISwitch开关按钮  

    UISwitch *sbtn = [[[UISwitch alloc] initWithFrame:CGRectMake(50, 210, 200, 50)] autorelease];  

    [sbtn addTarget:self action:@selector(onSwitch:) forControlEvents:UIControlEventTouchUpInside];  

    mySwitch = sbtn;  

    [self.view addSubview:mySwitch];  

      

    // 创建一个UISegmentedControl  

    NSArray *btnList = [NSArray arrayWithObjects:@"left",@"center",@"right", nil];  

    UISegmentedControl *sc = [[[UISegmentedControl alloc] initWithItems:btnList] autorelease];  

    sc.frame = CGRectMake(50, 250, 200, 60);  

    [sc addTarget:self action:@selector(onSelect:) forControlEvents:UIControlEventTouchUpInside];  

    mySc = sc;  

    [self.view addSubview:mySc];  

      

    [super viewDidLoad];  

}  

  

@interface MainViewController : UIViewController  

  

@property (strong, nonatomic) UIButton *myBtn;  

@property (strong, nonatomic) UISlider *mySlider;  

@property (strong, nonatomic) UISwitch *mySwitch;  

@property (strong, nonatomic) UISegmentedControl *mySc;  

  

@end</span>  



MainViewController.m

 



 



[cpp] view plaincopy



<span style="font-size:10px;">#import "MainViewController.h"  

  

@interface MainViewController ()  

  

@end  

  

@implementation MainViewController  

@synthesize myBtn,mySlider,mySwitch,mySc;  

  

- (void)viewDidLoad  

{  

    // 加载UIView  

    UIView *mainView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];  

    mainView.backgroundColor = [UIColor whiteColor];  

    self.view = mainView;  

    [mainView release];  

      

    // 创建一个Button按钮  

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];  

    btn.frame = CGRectMake(100, 30, 57, 57);  

    [btn setTitle:@"Button" forState:UIControlStateNormal];  

    [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];  

    [btn setBackgroundImage:[UIImage imageNamed:@"icon.png"] forState:UIControlStateNormal];  

    [btn addTarget:self action:@selector(onClick:) forControlEvents:UIControlEventTouchUpInside];  

    myBtn = btn;  

    [self.view addSubview:myBtn];  

      

      

    // 创建一个Slider划块按钮  

    UISlider *slider = [[[UISlider alloc] initWithFrame:CGRectMake(50, 180, 200, 10)] autorelease];  

    slider.minimumValue = 0.0f;  

    slider.maximumValue = 100.0f;  

    slider.value = 50.0f;  

    [slider addTarget:self action:@selector(onChange:) forControlEvents:UIControlEventTouchUpInside];  

    mySlider = slider;  

    [self.view addSubview:mySlider];  

      

    // 创建一个UISwitch开关按钮  

    UISwitch *sbtn = [[[UISwitch alloc] initWithFrame:CGRectMake(50, 210, 200, 50)] autorelease];  

    [sbtn addTarget:self action:@selector(onSwitch:) forControlEvents:UIControlEventTouchUpInside];  

    mySwitch = sbtn;  

    [self.view addSubview:mySwitch];  

      

    // 创建一个UISegmentedControl  

    NSArray *btnList = [NSArray arrayWithObjects:@"left",@"center",@"right", nil];  

    UISegmentedControl *sc = [[[UISegmentedControl alloc] initWithItems:btnList] autorelease];  

    sc.frame = CGRectMake(50, 250, 200, 60);  

    [sc addTarget:self action:@selector(onSelect:) forControlEvents:UIControlEventTouchUpInside];  

    mySc = sc;  

    [self.view addSubview:mySc];  

      

    [super viewDidLoad];  

}