IOS_UI_ImageView Image 手势 UISwitch UISegmentControl

#import <UIKit/UIKit.h>

@interface AppDelegate :
UIResponder <UIApplicationDelegate>

@property (strong,
nonatomic) UIWindow *window;

@end

#import "AppDelegate.h"

#import "MainViewController.h"

@interface
AppDelegate ()

@end

@implementation AppDelegate

- (void)dealloc

{

[_window release];

[super dealloc];

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

self.window = [[UIWindow
alloc] initWithFrame:[[UIScreen
mainScreen] bounds]];

// Override point for customization after application launch.

self.window.backgroundColor = [UIColor
whiteColor];

[self.window
makeKeyAndVisible];

[_window release];

MainViewController *mainVC = [[MainViewController
alloc]init];

self.window.rootViewController = mainVC;

[mainVC release];

return
YES;

}

#import <UIKit/UIKit.h>

@interface MainViewController :
UIViewController

@end

#import "MainViewController.h"

@interface
MainViewController ()

@property (nonatomic,retain)UIImageView *imageView;

@end

@implementation MainViewController

- (void)viewDidLoad {

[super
viewDidLoad];

// Do any additional setup after loading the view.

//UIImageView 的使用

//UIImageView 是一个现示图片的类,本身不是图片,而是类相似于相框

UIImageView *imageView = [[UIImageView
alloc]initWithFrame:CGRectMake(20,
20, 335,
600)];

imageView.backgroundColor = [UIColor
grayColor];

[self.view
addSubview:imageView];

[imageView release];

//UIImage 是一个图片类,保存了一张图片的所有信息,本身不能显示,需要借助UIImageView显示

UIImage *image = [UIImage
imageNamed:@"IMG_8105.JPG"];

//使用UIImageView 显示一张图片

imageView.image = image;

//imageView 和Label 默认不开用户交互 所以要手动开

imageView.userInteractionEnabled =
YES;

//手势

//点击

// UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];

//

// tap.numberOfTapsRequired = 2;//设置双击

// tap.numberOfTouchesRequired = 2;//两个手指点两下,在模拟器上 两个手指用alt+鼠标

// [imageView addGestureRecognizer:tap];

// [tap release];

// //长按

// UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPressAction:)];

// //设置多久算长按 单位秒

// longPress.minimumPressDuration = 0.5;

// //长按时允许手指移动距离 默认为10像素

// longPress.allowableMovement = 200;

//

// [imageView addGestureRecognizer:longPress];

// [longPress release];

// //轻扫

// UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeAction:)];

// //识别滑动方向 每个程序只能设计一个方向 如果四个都需要则需要设计四个程序

// swipe.direction = UISwipeGestureRecognizerDirectionUp;

//// swipe.direction = UISwipeGestureRecognizerDirectionDown;

//// swipe.direction = UISwipeGestureRecognizerDirectionLeft;

//// swipe.direction = UISwipeGestureRecognizerDirectionRight;

//

// [imageView addGestureRecognizer:swipe];

// [swipe release];

//旋转

// UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationAction:)];

// [imageView addGestureRecognizer:rotation];

// [rotation release];

//捏合

// UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAction:)];

// [imageView addGestureRecognizer:pinch];

// [pinch release];

//拖拽

// UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction:)];

// [imageView addGestureRecognizer:pan];

// [pan release];

//升级版

// UIScreenEdgePanGestureRecognizer *pan1 = [[ UIScreenEdgePanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction1:)];

// [imageView addGestureRecognizer:pan1];

// [pan1 release];

//UISwitch

UISwitch *swi = [[UISwitch
alloc]initWithFrame:CGRectMake(20,
20,
50, 20)];

swi.tintColor = [UIColor
whiteColor];

swi.onTintColor = [UIColor
whiteColor];

[swi addTarget:self
action:@selector(switchAction:)
forControlEvents:UIControlEventValueChanged];

[imageView addSubview:swi];

[swi release];

swi.on = YES;

//segment

// NSMutableArray *array = [NSMutableArray alloc] initWithObjects:@"red",@"blue",@"yellow"];

// UISegmentedControl *seg = [[UISegmentedControl alloc]initWithItems:array];

// seg.frame = CGRectMake(20, 20, 335, 20);

// seg.backgroundColor = [UIColor yellowColor];

// [seg addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];

// [self.view addSubview:seg];

// [seg release];

UISegmentedControl *seg = [[UISegmentedControl
alloc]initWithItems:@[@"red",@"blue",@"yellow"]];

seg.frame =CGRectMake(20,
20, 335,
20);

// seg.tintColor = [UIColor redColor];//线条颜色

seg.selectedSegmentIndex =
1;

[seg addTarget:self
action:@selector(segmentAction:)
forControlEvents:UIControlEventValueChanged];

[self.view
addSubview:seg];

[seg release];

}

- (void)switchAction:(UISwitch *)swi

{

NSLog(@"点击");

if (swi.isOn) {

[self.imageView
startAnimating];

}else{

[self.imageView
stopAnimating];

}

}

//- (void)tapAction:(UITapGestureRecognizer *)tap

//{

// NSLog(@"点击手势");

//}

//- (void)longPressAction:(UILongPressGestureRecognizer *)longPress

//{

//

// if ( longPress.state == UIGestureRecognizerStateBegan)

// {NSLog(@"长按");}

//}

//- (void)swipeAction:(UISwipeGestureRecognizer *)swipe

//{

// NSLog(@"轻扫");

//}

//- (void)rotationAction:(UIRotationGestureRecognizer *)rotationAction

//{

//// NSLog(@"%f",rotationAction.rotation);

// UIView *view = rotationAction.view;

// view.transform = CGAffineTransformRotate(view.transform ,rotationAction.rotation);

// rotationAction.rotation = 0;

//

// NSLog(@"旋转");

//}

//- (void)pinchAction:(UIPinchGestureRecognizer *)pinch

//{

// UIView *view = pinch.view;

// view.transform = CGAffineTransformScale(view.transform, pinch.scale, pinch.scale);

// pinch.scale = 1;

// NSLog(@"捏合");

//}

//- (void)panAction:(UIPanGestureRecognizer *)pan

//{

// UIView *view = pan.view;

// CGPoint p = [pan translationInView:view];

// view.transform = CGAffineTransformTranslate(view.transform, p.x, p.y);

// [pan setTranslation:CGPointZero inView:view];

// NSLog(@"拖拽");

//}

//- (void)panAction1:(UIPanGestureRecognizer *)pan1

//{

// UIView *view = pan1.view;

// CGPoint p = [pan1 translationInView:view];

// view.transform = CGAffineTransformTranslate(view.transform, p.x, p.y);

// [pan1 setTranslation:CGPointZero inView:view];

// NSLog(@"拖拽");

//}

- (void)segmentAction:(UISegmentedControl *)segment

{

NSLog(@"点击");

switch (segment.selectedSegmentIndex) {

case 0:

self.view.backgroundColor = [UIColor
redColor];

break;

case 1:

self.view.backgroundColor = [UIColor
blueColor];

break;

case 2 :

self.view.backgroundColor = [UIColor
yellowColor];

break;

default:

break;

}

}