在storyboard中，segue有几种不同的类型，在iphone和ipad的开发中，segue的类型是不同的。
在iphone中，segue有：push，modal，和custom三种不同的类型，这些类型的区别在与新页面出现的方式。
而在ipad中，有push，modal，popover，replace和custom五种不同的类型。
根据这几个特点，同时自己有观看了，斯坦福大学的公开课，里面也是有关于此方面的应用。废话少说，将自己的实例放上来吧。
里面的内容大部分跟课程里面的内容差不多
PsychologistViewController.m1
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#import "PsychologistViewController.h"
#import "happinessViewController.h"
@interface PsychologistViewController ()
@property (nonatomic) int diagnosis;
@end
@implementation PsychologistViewController
@synthesize diagnosis = _diagnosis;
-(void) setAndShowDiagnosis:(int)diagnosis
{
self.diagnosis = diagnosis;
[self performSegueWithIdentifier:@"showDiagnosis" sender:self];
}
-(void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if([segue.identifier isEqualToString:@"showDiagnosis"])
{
[segue.destinationViewController setHappiness:self.diagnosis];
}
else if([segue.identifier isEqualToString:@"movie"])
{
[segue.destinationViewController setHappiness:50];
}
else if([segue.identifier isEqualToString:@"teleplay"])
{
[segue.destinationViewController setHappiness:20];
}
else if([segue.identifier isEqualToString:@"cartoon"])
{
[segue.destinationViewController setHappiness:100];
}
}
- (void)viewDidLoad
{
[super viewDidLoad];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
{
return YES;
}
- (IBAction)flaying:(id)sender
{
[self setAndShowDiagnosis:86];
}
- (IBAction)bite:(id)sender
{
[self setAndShowDiagnosis:70];
}
- (IBAction)play:(id)sender
{
[self setAndShowDiagnosis:20];
}
@end
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PsychologistViewController.h1
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#import <UIKit/UIKit.h>
@interface PsychologistViewController : UIViewController
- (IBAction)flaying:(id)sender;
- (IBAction)bite:(id)sender;
- (IBAction)play:(id)sender;
@end
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faceView.h1
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#import <UIKit/UIKit.h>
@class faceView;
@protocol FaceViewDataSource
-(float) smileForFaceView:(faceView *) sender;
@end
@interface faceView : UIView
@property (nonatomic) CGFloat scale;
-(void) pinch:(UIPinchGestureRecognizer *)gesture;
@property (nonatomic, weak) IBOutlet id<FaceViewDataSource> dataSource;
@end
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faceView.m1
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#import "faceView.h"
#define DEFAULT_SCALE 0.90
#define EYE_H 0.35
#define EYE_V 0.35
#define EYE_RADIUS 0.10
#define MOUTH_H 0.45
#define MOUTH_V 0.40
#define MOUTH_SMILE 0.25
@implementation faceView
@synthesize scale = _scale;
-(CGFloat) scale
{
if(!_scale)
{
return DEFAULT_SCALE;
}else{
return _scale;
}
}
-(void) setScale:(CGFloat)scale
{
if(scale != _scale)
{
_scale = scale;
[self setNeedsDisplay];
}
}
-(void) pinch:(UIPinchGestureRecognizer *)gesture
{
if((gesture.state == UIGestureRecognizerStateChanged) || (gesture.state == UIGestureRecognizerStateEnded))
{
self.scale = gesture.scale;
gesture.scale = 1;
}
}
-(void) setup
{
self.contentMode = UIViewContentModeRedraw;
}
-(void) awakeFromNib
{
[self setup];
}
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
[self setup];
}
return self;
}
-(void) drawCircleAtPoint:(CGPoint)p withRadius:(CGFloat)radius inContext:(CGContextRef)context
{
UIGraphicsPushContext(context);
CGContextBeginPath(context);
CGContextAddArc(context, p.x, p.y, radius, 0 , 2*M_PI, YES);
CGContextStrokePath(context);
UIGraphicsPopContext();
}
- (void)drawRect:(CGRect)rect
{
CGContextRef context = UIGraphicsGetCurrentContext();
CGPoint midPoint;
midPoint.x = self.bounds.origin.x + self.bounds.size.width / 2;
midPoint.y = self.bounds.origin.y + self.bounds.size.height / 2;
CGFloat size = self.bounds.size.width / 2;
if(self.bounds.size.height < self.bounds.size.width) size = self.bounds.size.height / 2;
size *= self.scale;
CGContextSetLineWidth(context, 5.0);
[[UIColor blueColor] setStroke];
[self drawCircleAtPoint:midPoint withRadius:size inContext: context];
CGPoint eyePoint;
eyePoint.x = midPoint.x - size * EYE_H;
eyePoint.y = midPoint.y - size * EYE_V;
[self drawCircleAtPoint:eyePoint withRadius:size * EYE_RADIUS inContext:context];
eyePoint.x += size * EYE_H * 2;
[self drawCircleAtPoint:eyePoint withRadius:size * EYE_RADIUS inContext:context];
CGPoint mouthStartPoint;
mouthStartPoint.x = midPoint.x - size * MOUTH_H;
mouthStartPoint.y = midPoint.y + size * MOUTH_V;
CGPoint mouthEndPoint = mouthStartPoint;
mouthEndPoint.x += MOUTH_H * size * 2;
CGPoint mouthCP1 = mouthStartPoint;
mouthCP1.x += MOUTH_H * size * 2 / 3;
CGPoint mouthCP2 = mouthEndPoint;
mouthCP2.x -= MOUTH_V * size * 2 / 3;
float smile = [self.dataSource smileForFaceView:self];
if(smile < -1) smile = -1;
if(smile > 1) smile = 1;
CGFloat smileOffset = MOUTH_SMILE * size * smile;
mouthCP1.y += smileOffset;
mouthCP2.y += smileOffset;
CGContextBeginPath(context);
CGContextMoveToPoint(context, mouthStartPoint.x, mouthStartPoint.y);
CGContextAddCurveToPoint(context, mouthCP1.x, mouthCP1.y, mouthCP2.x, mouthCP2.y, mouthEndPoint.x, mouthEndPoint.y);
CGContextStrokePath(context);
}
@end
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happinessViewController.m1
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#import "happinessViewController.h"
#import "faceView.h"
@interface happinessViewController ()<FaceViewDataSource>
@property (weak, nonatomic) IBOutlet faceView *faceView;
@end
@implementation happinessViewController
@synthesize happiness = _happiness;
@synthesize faceView = _faceView;
- (void)viewDidLoad
{
[super viewDidLoad];
}
-(void) setHappiness:(int)happiness
{
_happiness = happiness;
[self.faceView setNeedsDisplay];
}
-(void) setFaceView:(faceView *)faceView
{
_faceView = faceView;
[self.faceView addGestureRecognizer:[[UIPinchGestureRecognizer alloc] initWithTarget:self.faceView action:@selector(pinch:)]];
[self.faceView addGestureRecognizer:[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handleHappinessGesture:)]];
self.faceView.dataSource = self;
}
-(void) handleHappinessGesture:(UIPanGestureRecognizer *)gesture
{
if(gesture.state == UIGestureRecognizerStateChanged || gesture.state == UIGestureRecognizerStateEnded)
{
CGPoint translation = [gesture translationInView:self.faceView];
self.happiness -= translation.y / 2;
[gesture setTranslation:CGPointZero inView:self.faceView];
}
}
-(float) smileForFaceView:(faceView *)sender
{
return (self.happiness - 50.0) / 50.0;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
{
return YES;
}
@end
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happinessViewController.h1
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#import <UIKit/UIKit.h>
@interface happinessViewController : UIViewController
@property (nonatomic) int happiness;
@end
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应用截图相册地址：http://my.poco.cn/album/album\_show\_photo\_list.htx&user\_id=173673909&set\_hash=3946768073
