iOS自訂alertView,繼承自UIView,可以添加子視圖,標題圖片+文字，

iOS自訂alertView,繼承自UIView,可以添加子視圖,標題圖片+文字，

自訂alertView,繼承自UIView,可以在訊息地區添加子視圖:addCustomerSubview

標題可以有圖片+文字構成, 只支援兩個按鈕操作

// - 在需要alert的控制器調用 alertView show 方法

CustomAlertView *alertView = [[CustomAlertView alloc] initWithTitle:@"提示"                                                        message:@"dylan_lwb_"                                                       delegate:self                                              cancelButtonTitle:@"確定"                                              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{}

// - 在項目裡建立一個CustomAlertView分類, 把下邊代碼全部複製過去, 不要管幹嘛的

#if defined(__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>@class CustomAlertView;@protocol MBAlertViewDelegate <NSObject>@optional// - 代理方法-(void)alertView:(CustomAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex;-(void)alertViewClosed:(CustomAlertView *)alertView;-(void)willPresentCustomAlertView:(UIView *)alertView;// - 隱藏實用類彈出鍵盤- (void)hideCurrentKeyBoard;@end@interface CustomAlertView : UIView {}@property (nonatomic, assign) id <MBAlertViewDelegate> delegate;@property (nonatomic, assign) BOOL           isNeedCloseBtn;  // - 左上方帶叉叉按鈕@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中添加自訂控制項- (void)addCustomerSubview:(UIView *)view;+ (void)exChangeOut:(UIView *)changeOutView dur:(CFTimeInterval)dur;+ (CustomAlertView *)defaultAlert;@end

#import "CustomAlertView.h"@interface CustomAlertView(){    BOOL _isShow;}@property (nonatomic, retain) NSString       *cancelButtonTitle;@property (nonatomic, retain) NSMutableArray *otherButtonTitles;@end@implementation CustomAlertViewstatic const CGFloat mWidth  = 290;static const CGFloat mHeight = 180;static const CGFloat mMaxHeight    = 250;static const CGFloat mBtnHeight    = 30;static const CGFloat mBtnWidth     = 110;static const CGFloat mHeaderHeight = 40;+ (CustomAlertView *)defaultAlert{    static CustomAlertView *shareCenter = nil;if (!shareCenter)    {shareCenter = [[CustomAlertView alloc] init];}return shareCenter;}- (NSMutableArray *)customerViewsToBeAdd{    if (_customerViewsToBeAdd == nil)    {        _customerViewsToBeAdd = [[NSMutableArray alloc] init];    }    return _customerViewsToBeAdd;}- (id)init{    self = [super initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT + 20)];    if (self)    {        _isShow = NO;    }    return self;}- (id)initWithTitle:(NSString*)title message:(NSString*)message delegate:(id)del cancelButtonTitle:(NSString*)cancelBtnTitle otherButtonTitles:(NSString*)otherBtnTitles, ...{    self = [super initWithFrame: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;            }    return self;}-(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{    [super layoutSubviews];        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];    }     // - 設定頭部顯示地區    // - 設定標題背景    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)    {        // - 標題圖片        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;                // - 標題        UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(startX, (titleView.frame.size.height - 20) / 2, titleSize.width, 20)];                //- 標題太長的話需要處理        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    {        // - 標題圖片        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];        // - 設定訊息顯示地區    UIScrollView *msgView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, mHeaderHeight, mWidth, (mHeight-mHeaderHeight * 2))];    // - 設定背景顏色    msgView.backgroundColor = [UIColor whiteColor];        // - 內容    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);            }            else if (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];      // - 設定按鈕顯示地區    if (_otherButtonTitles != nil || _cancelButtonTitle != nil)    {        UIView *btnView = [[UIView alloc] initWithFrame:CGRectMake(0, _backView.frame.size.height-mHeaderHeight, mWidth, mHeaderHeight)];                // - 如果只顯示一個按鈕,需要計算按鈕的顯示大小        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];        }        else if(_otherButtonTitles && [_otherButtonTitles count] == 1)        {            // - 顯示兩個按鈕            // - 設定確定按鈕的相關屬性            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;                        // - 設定取消按鈕的相關屬性            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];        }    }}// - 在訊息地區設定自訂控制項- (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;        [super dealloc];  }// - alertview彈齣動畫+ (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