iOS自定义alertView,继承自UIView

自定义alertView,继承自UIView,可以在消息区域添加子视图:addCustomerSubview

标题可以有图片+文字构成, 只支持两个按钮操作

// - 在需要alert的控制器调用 alertView show 方法

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CustomAlertView *alertView = [[CustomAlertView alloc] initWithTitle:@"提示"

                                                        message:@"dylan_lwb_"

                                                       delegate:self

                                              cancelButtonTitle:@"确定"

                                              otherButtonTitles: nil];

//    [alertView addCustomerSubview:myView];

    [alertView show];

    [alertView release];

 

// - 代理方法

-(void)alertView:(CustomAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

{

 

}

-(void)alertViewClosed:(CustomAlertView *)alertView

{

 

}

-(void)willPresentCustomAlertView:(UIView *)alertView

{

 

}

// - 在项目里创建一个CustomAlertView分类, 把下边代码全部复制过去, 不要管干嘛的

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#ifdefined(__APPLE_CC__) && (__APPLE_CC__ >= 5549)

#define NS_REQUIRES_NIL_TERMINATION __attribute__((sentinel(0,1)))

#else

#define NS_REQUIRES_NIL_TERMINATION __attribute__((sentinel))

#endif

 

#define SCREEN_WIDTH    [[UIScreen mainScreen] bounds].size.width

#define SCREEN_HEIGHT   [[UIScreen mainScreen] bounds].size.height

#define RGBA_COLOR(r, g, b, a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]

#define kBCAlertViewPresentNotify   @"kBCAlertViewPresentNotify" //alertview present notify

 

#import<foundation foundation.h="">

#import<uikit uikit.h="">

 

@classCustomAlertView;

 

@protocolMBAlertViewDelegate <nsobject>

 

@optional

 

// - 代理方法

-(void)alertView:(CustomAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex;

-(void)alertViewClosed:(CustomAlertView *)alertView;

-(void)willPresentCustomAlertView:(UIView *)alertView;

 

// - 隐藏实用类弹出键盘

- (void)hideCurrentKeyBoard;

 

@end

 

@interfaceCustomAlertView : UIView {

}

 

@property(nonatomic, assign) id <mbalertviewdelegate> delegate;

@property(nonatomic, assign) BOOL           isNeedCloseBtn;  // - 左上角带叉叉按钮

@property(nonatomic, retain) NSString       *title;

@property(nonatomic, retain) NSString       *message;

@property(nonatomic, retain) UIView         *backView;

@property(nonatomic, retain) UIView         *titleBackgroundView;

@property(nonatomic, retain) UILabel        *titleLabel;

@property(nonatomic, retain) UIImageView    *titleIcon;

@property(nonatomic, retain) NSMutableArray *customerViewsToBeAdd;

 

- (id)initWithTitle:(NSString*)title message:(NSString*)message delegate:(id)delegate cancelButtonTitle:(NSString*)cancelButtonTitle otherButtonTitles:(NSString*)otherButtonTitles, ... NS_REQUIRES_NIL_TERMINATION;

 

-(void)initTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ...NS_REQUIRES_NIL_TERMINATION;

 

- (void) show ;

 

// - 在alertview中添加自定义控件

- (void)addCustomerSubview:(UIView *)view;

 

+ (void)exChangeOut:(UIView *)changeOutView dur:(CFTimeInterval)dur;

 

+ (CustomAlertView *)defaultAlert;

 

@end</mbalertviewdelegate></nsobject></uikit></foundation>

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#import"CustomAlertView.h"

@interfaceCustomAlertView()

 

{

    BOOL _isShow;

}

@property(nonatomic, retain) NSString       *cancelButtonTitle;

@property(nonatomic, retain) NSMutableArray *otherButtonTitles;

 

@end

 

@implementationCustomAlertView

 

staticconstCGFloat mWidth  = 290;

staticconstCGFloat mHeight = 180;

staticconstCGFloat mMaxHeight    = 250;

staticconstCGFloat mBtnHeight    = 30;

staticconstCGFloat mBtnWidth     = 110;

staticconstCGFloat mHeaderHeight = 40;

 

+ (CustomAlertView *)defaultAlert

{

    staticCustomAlertView *shareCenter = nil;

    if(!shareCenter)

    {

        shareCenter = [[CustomAlertView alloc] init];

    }

    returnshareCenter;

}

 

- (NSMutableArray *)customerViewsToBeAdd

{

    if(_customerViewsToBeAdd == nil)

    {

        _customerViewsToBeAdd = [[NSMutableArray alloc] init];

    }

 

    return_customerViewsToBeAdd;

}

 

- (id)init

{

    self = [superinitWithFrame:CGRectMake(0,0, SCREEN_WIDTH, SCREEN_HEIGHT + 20)];

    if(self)

    {

        _isShow = NO;

    }

    returnself;

}

 

- (id)initWithTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ...

{

    self = [superinitWithFrame:CGRectMake(0,0, SCREEN_WIDTH, SCREEN_HEIGHT + 20)];

    if(self)

    {

        self.delegate = del;

        self.cancelButtonTitle = cancelBtnTitle;

        self.isNeedCloseBtn = NO;

 

        if(!_otherButtonTitles)

        {

            va_list argList;

            if(otherBtnTitles)

            {

                self.otherButtonTitles = [NSMutableArray array];

                [self.otherButtonTitles addObject:otherBtnTitles];

            }

            va_start(argList, otherBtnTitles);

            id arg;

            while((arg = va_arg(argList, id)))

            {

                [self.otherButtonTitles addObject:arg];

            }

        }

        self.title = title;

        self.message = message;

         

    }

    returnself;

}

 

-(void)initTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ...

{

    if(self)

    {

        self.delegate = del;

        self.cancelButtonTitle = cancelBtnTitle;

        self.isNeedCloseBtn = NO;

         

        if(!_otherButtonTitles)

        {

            va_list argList;

            if(otherBtnTitles)

            {

                self.otherButtonTitles = [NSMutableArray array];

                [self.otherButtonTitles addObject:otherBtnTitles];

            }

            va_start(argList, otherBtnTitles);

            id arg;

            while((arg = va_arg(argList, id)))

            {

                [self.otherButtonTitles addObject:arg];

            }

        }

        self.title = title;

        self.message = message;

    }

}

 

- (void) layoutSubviews

{

    [superlayoutSubviews];

     

    for(UIView *view in [self subviews])

    {

        [view removeFromSuperview];

    }

     

    UIView *bgView = [[UIView alloc] initWithFrame:self.frame];

    [bgView setBackgroundColor:[UIColor blackColor]];

    [bgView setAlpha:0.4];

    [self addSubview:bgView];

    [bgView release];

     

    if(!_backView)

    {

        _backView = [[UIView alloc] initWithFrame:CGRectMake(0,0, mWidth, mHeight)];

        _backView.opaque = NO;

        _backView.backgroundColor     = [UIColor whiteColor];

        _backView.layer.shadowOffset  = CGSizeMake(1,1);

        _backView.layer.shadowRadius  = 2.0;

        _backView.layer.shadowColor   = [UIColor grayColor].CGColor;

        _backView.layer.shadowOpacity = 0.8;

        [_backView.layer setMasksToBounds:NO];

    }

  

    // - 设置头部显示区域

    // - 设置标题背景

    UIView *titleView = [[UIView alloc] initWithFrame:CGRectMake(0,0, mWidth, mHeaderHeight)];

    titleView.backgroundColor = RGBA_COLOR(36,193,64,1);

 

    CGSize titleSize = CGSizeZero;

    if(self.title && [self.title length] > 0)

    {

        titleSize = [self.title sizeWithFont:[UIFont fontWithName:@"Helvetica-Bold"size:18.0f]];

    }

    if(titleSize.width > 0)

    {

        // - 标题图片

        CGFloat startX = (titleView.frame.size.width - 40- titleSize.width) / 2;

        UIImageView *titleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"xxxxx.png"]];

        titleImage.frame = CGRectMake(startX, (titleView.frame.size.height - 30) / 2,30,30);

        self.titleIcon = titleImage;

 

        [titleView addSubview:titleImage];

        [titleImage release];

        startX += 40;

         

        // - 标题

        UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(startX, (titleView.frame.size.height -20) / 2, titleSize.width, 20)];

         

        //- 标题太长的话需要处理

        if(titleLabel.frame.size.width > 250)

        {

            titleLabel.frame = CGRectMake(50, (titleView.frame.size.height - 20) / 2, mWidth - 60,20);

 

            titleImage.frame = CGRectMake(5, (titleView.frame.size.height - 30) / 2,30,30);

 

        }

         

        titleLabel.text = self.title;

        titleLabel.font = [UIFont fontWithName:@"Helvetica-Bold"size:18.0f];

        titleLabel.textColor = [UIColor whiteColor];

        titleLabel.backgroundColor = [UIColor clearColor];

        self.titleLabel = titleLabel;

 

        [titleView addSubview:titleLabel];

        [titleLabel release];

    }else

    {

        // - 标题图片

        UIImageView *titleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"xxxxx.png"]];

        titleImage.frame = CGRectMake((titleView.frame.size.width - 30) / 2, (titleView.frame.size.height - 30) / 2,30,30);

        [titleView addSubview:titleImage];

        [titleImage release];

    }

     

    if(self.isNeedCloseBtn)

    {

        UIButton *btn = [[UIButton alloc]initWithFrame:CGRectMake(mWidth-mHeaderHeight, 0, mHeaderHeight, mHeaderHeight)];

        btn.backgroundColor = [UIColor clearColor];

        [btn setImage:[UIImage imageNamed:@"btn_close_alertview.png"] forState:UIControlStateNormal];

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

        [titleView addSubview:btn];

        [btn release];

    }

     

    [_backView addSubview:titleView];

    self.titleBackgroundView = titleView;

    [titleView release];

     

    // - 设置消息显示区域

    UIScrollView *msgView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, mHeaderHeight, mWidth, (mHeight-mHeaderHeight * 2))];

 

    // - 设置背景颜色

    msgView.backgroundColor = [UIColor whiteColor];

     

    // - 内容

    CGSize messageSize = CGSizeZero;

    if(self.message && [self.message length]>0)

    {

        messageSize = [self.message sizeWithFont:[UIFont systemFontOfSize:16.0f] constrainedToSize:CGSizeMake(mWidth-20, MAXFLOAT) lineBreakMode:NSLineBreakByWordWrapping];

         

        if(messageSize.width > 0)

        {

            UILabel *msgLabel = [[UILabel alloc] init];

            msgLabel.font = [UIFont systemFontOfSize:16.0f];

            msgLabel.text = self.message;

            msgLabel.numberOfLines   = 0;

            msgLabel.textAlignment   = NSTextAlignmentCenter;

            msgLabel.backgroundColor = [UIColor clearColor];

            msgLabel.frame = CGRectMake(10, ((mHeight - mHeaderHeight * 2) - messageSize.height) / 2, mWidth-20, messageSize.height + 5);

            if(messageSize.height > mMaxHeight)

            {

                msgView.frame = CGRectMake(msgView.frame.origin.x, msgView.frame.origin.y, msgView.frame.size.width, mMaxHeight +25);

                _backView.frame = CGRectMake(0,0, mWidth, mHeaderHeight * 2+ msgView.frame.size.height);

                msgLabel.textAlignment = NSTextAlignmentLeft;

                msgLabel.frame = CGRectMake(10,10, mWidth - 20, messageSize.height);

                msgView.contentSize = CGSizeMake(msgView.frame.size.width, msgLabel.frame.size.height + 20);

            }

            elseif(messageSize.height > (mHeight-mHeaderHeight * 2) - 10)

            {

                msgView.frame = CGRectMake(msgView.frame.origin.x, msgView.frame.origin.y, msgView.frame.size.width, messageSize.height +25);

                _backView.frame = CGRectMake(0,0, mWidth, mHeaderHeight * 2+ msgView.frame.size.height);

                msgLabel.frame = CGRectMake(10,10, mWidth - 20, messageSize.height + 5);

            }

            [msgView addSubview:msgLabel];

            [msgLabel release];

            [_backView addSubview:msgView];

        }

    }else{

        if(self.customerViewsToBeAdd && [self.customerViewsToBeAdd count] > 0)

        {

            CGFloat startY = 0;

            for(UIView *subView in self.customerViewsToBeAdd)

            {

                CGRect rect = subView.frame;

                rect.origin.y = startY;

                subView.frame = rect;

                [msgView addSubview:subView];

                startY += rect.size.height;

            }

            msgView.frame = CGRectMake(0, mHeaderHeight, mWidth, startY);

        }

        [_backView addSubview:msgView];

        _backView.frame = CGRectMake(0,0, mWidth, msgView.frame.size.height + mHeaderHeight * 2+20);

    }

    [msgView release];

   

    // - 设置按钮显示区域

    if(_otherButtonTitles != nil || _cancelButtonTitle != nil)

    {

        UIView *btnView = [[UIView alloc] initWithFrame:CGRectMake(0, _backView.frame.size.height-mHeaderHeight, mWidth, mHeaderHeight)];

         

        // - 如果只显示一个按钮,需要计算按钮的显示大小

        if(_otherButtonTitles == nil || _cancelButtonTitle == nil)

        {

            UIButton *btn = [[UIButton alloc]initWithFrame:CGRectMake((_backView.frame.size.width-mBtnWidth) / 2,0, mBtnWidth, mBtnHeight)];

            btn.backgroundColor = RGBA_COLOR(36,193,64,1);

            btn.titleLabel.font = [UIFont fontWithName:@"Helvetica"size:17.0f];

            btn.titleLabel.textColor = [UIColor whiteColor];

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

            if(_otherButtonTitles == nil && _cancelButtonTitle != nil)

            {

                [btn setTitle:_cancelButtonTitle forState:UIControlStateNormal];

            }else

            {

                [btn setTitle:[_otherButtonTitles objectAtIndex:0] forState:UIControlStateNormal];

            }

            btn.tag = 0;

            btn.layer.cornerRadius = 5;

            [btnView addSubview:btn];

            [btn release];

        }

        elseif(_otherButtonTitles && [_otherButtonTitles count] == 1)

        {

            // - 显示两个按钮

            // - 设置确定按钮的相关属性

            CGFloat startX = (_backView.frame.size.width-mBtnWidth*2-20)/2;

            UIButton *otherBtn = [[UIButton alloc]initWithFrame:CGRectMake(startX, 0, mBtnWidth, mBtnHeight)];

            otherBtn.backgroundColor = RGBA_COLOR(36,193,64,1);

            otherBtn.titleLabel.font = [UIFont fontWithName:@"Helvetica"size:17.0f];

            otherBtn.titleLabel.textColor = [UIColor whiteColor];

            [otherBtn setTitle:[_otherButtonTitles objectAtIndex:0] forState:UIControlStateNormal];

            otherBtn.layer.cornerRadius = 5;

            [otherBtn addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];

            otherBtn.tag = 0;

            [btnView addSubview:otherBtn];

            [otherBtn release];

            startX += mBtnWidth+20;

             

            // - 设置取消按钮的相关属性

            UIButton *cancelBtn = [[UIButton alloc]initWithFrame:CGRectMake(startX, 0, mBtnWidth, mBtnHeight)];

            cancelBtn.backgroundColor = RGBA_COLOR(36,193,64,1);

            cancelBtn.titleLabel.font = [UIFont fontWithName:@"Helvetica"size:17.0f];

            cancelBtn.titleLabel.textColor = [UIColor whiteColor];

            [cancelBtn setTitle:_cancelButtonTitle forState:UIControlStateNormal];

            cancelBtn.layer.cornerRadius = 5;

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

            cancelBtn.tag = 1;

            [btnView addSubview:cancelBtn];

            [cancelBtn release];

        }

        [_backView addSubview: btnView];

        [btnView release];

    }

    else

    {

        CGRect rc = _backView.frame;

        rc.size.height -= mHeaderHeight;

        _backView.frame = rc;

    }

   

    UIControl *touchView = [[UIControl alloc] initWithFrame:self.frame];

    [touchView addTarget:self action:@selector(touchViewClickDown) forControlEvents:UIControlEventTouchDown];

    touchView.frame = self.frame;

    [self addSubview:touchView];

    [touchView release];

    _backView.center = self.center;

  

     

    [self addSubview:_backView];

     

    if(!_isShow)

        [CustomAlertView exChangeOut:_backView dur:0.5];

    if(self.delegate)

    {

        if([self.delegate respondsToSelector:@selector(willPresentCustomAlertView:)])

        {

            [self.delegate willPresentCustomAlertView:self];

        }

         

        [[NSNotificationCenter defaultCenter] postNotificationName:kBCAlertViewPresentNotify object:nil userInfo:nil];

    }

}

- (void)touchViewClickDown

{

    if(self.delegate)

    {

        if([self.delegate respondsToSelector:@selector(hideCurrentKeyBoard)])

        {

            [self.delegate hideCurrentKeyBoard];

        }

    }

}

 

// - 在消息区域设置自定义控件

- (void)addCustomerSubview:(UIView *)view

{

    [self.customerViewsToBeAdd addObject:view];

}

 

- (void)buttonClicked:(id)sender

{

    UIButton *btn = (UIButton *) sender;

    _isShow = NO;

    if(btn)

    {

        if(self.delegate && [self.delegate respondsToSelector:@selector(alertView:clickedButtonAtIndex:)])

        {

            [self.delegate alertView:self clickedButtonAtIndex:btn.tag];

        }

        [self removeFromSuperview];

    }

}

 

- (void)closeBtnClicked:(id)sender

{

    _isShow = NO;

    if(self.delegate && [self.delegate respondsToSelector:@selector(alertViewClosed:)])

    {

        [self.delegate alertViewClosed:self];

    }

    [self removeFromSuperview];

}

 

- (void)show

{

    [self layoutSubviews];

    if(!_isShow)

        [[[UIApplication sharedApplication].delegate window]  addSubview:self];       

    _isShow = YES;

}

 

- (void)dealloc

{

    [_backView release];

    [_customerViewsToBeAdd release];

    self.titleLabel = nil;

    self.titleBackgroundView = nil;

    self.titleIcon = nil;

     

    [superdealloc]; 

}

 

// - alertview弹出动画

+ (void)exChangeOut:(UIView *)changeOutView dur:(CFTimeInterval)dur

{

    CAKeyframeAnimation * animation;

    animation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];

     

    animation.duration = dur;

    animation.removedOnCompletion = NO;

    animation.fillMode = kCAFillModeForwards;

     

    NSMutableArray *values = [NSMutableArray array];

     

    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.1,0.1,1.0)]];

    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.2,1.2,1.0)]];

    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.9,0.9,0.9)]];

    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.0,1.0,1.0)]];

     

    animation.values = values;

    animation.timingFunction = [CAMediaTimingFunction functionWithName: @"easeInEaseOut"];

     

    [changeOutView.layer addAnimation:animation forKey:nil];

}

 

@end