iOS- 自定义UIView （测试block和代理）
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#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
原文：http://www.cnblogs.com/thbbsky/p/4122546.html
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