iOS- 自定义UIView （测试block和代理）

#import <UIKit/UIKit.h>

typedef void(^compeletionHandler) (NSInteger selectButtonIndex);

@class ZSDCustom;

@protocol ZSDCustomDelegate <NSObject>

-(void)showCustomView:(ZSDCustom *)customView andButtonClick:(NSInteger)selectIndex;

@end

@interface ZSDCustom : UIView

@property(nonatomic,copy)compeletionHandler myHandler;

@property(nonatomic,weak)id<ZSDCustomDelegate>delegate;

-(void)showCustomView:(ZSDCustom *)customView andDelegate:(id)delegate andCompeleteHandler:(compeletionHandler)handler;

@end

#import "ZSDCustom.h"

#define kDialogWidth 280.0f

#define kButtonSize CGSizeMake(115.0f,45.0f)

@implementation ZSDCustom

{

UIView *dialogView;

}

-(id)initWithFrame:(CGRect)frame

{

if (self=[super initWithFrame:frame])

{

[self setUp];

}

return self;

}

-(void)setUp

{

self.frame = [UIScreen mainScreen].bounds;

self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5f];

CGRect frect = CGRectZero;

frect.size.width = kDialogWidth;

dialogView = [[UIView alloc]initWithFrame:frect];

dialogView.backgroundColor = [UIColor whiteColor];

dialogView.layer.cornerRadius = 4.0f;

dialogView.layer.masksToBounds = YES;

[self addSubview:dialogView];

//按钮

frect.origin.x = 15.0f;

frect.origin.y = 56.0f + 20.0f;

frect.size = kButtonSize;

UIButton *cancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];

cancelBtn.frame = frect;

[cancelBtn.titleLabel setFont:[UIFont boldSystemFontOfSize:15.0f]];

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

[cancelBtn setTitle:@"取消" forState:UIControlStateNormal];

[cancelBtn setBackgroundColor:[UIColor colorWithRed:243.0 / 255.0f green:243.0 / 255.0f blue:243.0 / 255.0f alpha:1.0]];

[cancelBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

[cancelBtn.layer setBorderWidth:1.0];

[cancelBtn.layer setBorderColor:[UIColor grayColor].CGColor];

[cancelBtn.layer setCornerRadius:4.0f];

[cancelBtn setTag:1];

[dialogView addSubview:cancelBtn];

frect.origin.x = kDialogWidth - 15.0f - kButtonSize.width;

UIButton *okBtn = [UIButton buttonWithType:UIButtonTypeCustom];

okBtn.frame = frect;

[okBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

[okBtn.titleLabel setFont:[UIFont boldSystemFontOfSize:15.0f]];

[okBtn setTitle:@"确认" forState:UIControlStateNormal];

[okBtn setBackgroundColor:[UIColor colorWithRed:207.0 / 255.0f green:44.0 / 255.0f blue:65.0 / 255.0f alpha:1.0]];

[okBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

[okBtn.layer setCornerRadius:4.0f];

[okBtn setTag:2];

[dialogView addSubview:okBtn];

float totalHeight = CGRectGetMaxY(okBtn.frame) + 20.0f;

frect = dialogView.frame;

frect.origin.x = (self.bounds.size.width - kDialogWidth) / 2.0f;

frect.origin.y = (self.bounds.size.height - totalHeight) / 2.0f;

frect.size.height = totalHeight;

dialogView.frame = frect;

}

-(void)buttonClick:(UIButton *)sender

{

if (_myHandler) {

_myHandler(sender.tag);

}

if (sender.tag==2) {

if (_delegate&&[_delegate respondsToSelector:@selector(showCustomView:andButtonClick:)]) {

[_delegate showCustomView:self andButtonClick:sender.tag];

}

}

else

{

[self hide];

}

}

-(void)show

{

UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;

[keyWindow addSubview:self];

dialogView.alpha = 0;

dialogView.transform = CGAffineTransformMakeScale(0.01f, 0.01f);

[UIView animateWithDuration:0.3f animations:^{

dialogView.alpha = 1.0;

dialogView.transform = CGAffineTransformMakeScale(1.0, 1.0);

}];

}

-(void)hide

{

[UIView animateWithDuration:0.3f animations:^{

dialogView.alpha = 0;

dialogView.transform = CGAffineTransformMakeScale(0.01f, 0.01f);

} completion:^(BOOL finished) {

[self removeFromSuperview];

}];

}

-(void)showCustomView:(ZSDCustom *)customView andDelegate:(id)delegate andCompeleteHandler:(compeletionHandler)handler

{

[customView show];

_delegate=delegate;

_myHandler=handler;

}

@end

#import "ViewController.h"

#import "ZSDCustom.h"

@interface ViewController ()<ZSDCustomDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (IBAction)showViewBtnClick:(UIButton *)sender

{

ZSDCustom *custom=[[ZSDCustom alloc]initWithFrame:CGRectZero];

[custom showCustomView:custom andDelegate:self andCompeleteHandler:^(NSInteger selectButtonIndex) {

NSLog(@"selectButtonIndex=%ld",selectButtonIndex);

}];

}

-(void)showCustomView:(ZSDCustom *)customView andButtonClick:(NSInteger)selectIndex

{

NSLog(@"selectIndex=%ld",selectIndex);

}

@end