iPhone自定义UIActionSheet

用一个黑色的底做透明度渐变动画，同时底部放按钮的视图做位移动画就可以了。
另外我建议楼主把翻页控件的贴结了~

.h:

#import <UIKit/UIKit.h>@class YXPActionSheet;@protocol YXPActionSheetDelegate <NSObject>@optional- (void)actionSheet:(YXPActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex buttonTitle:(NSString *)title;@end@interface YXPActionSheet : UIView+ (YXPActionSheet *)actionSheetWithCancelButtonTitle:(NSString *)cancelTitle                            destructiveButtonTitle:(NSString *)destructiveButtonTitle                                 otherButtonTitles:(id)otherButtonTitles, ... NS_REQUIRES_NIL_TERMINATION;@property (nonatomic,assign) id<YXPActionSheetDelegate> delegate;- (void)showInView:(UIView *)view;- (void)showInWindow;- (void)showInViewFromLeft:(UIView *)view;- (void)showInWindowFromLeft;- (void)dismiss;@end

.m

////  YXPSheetView.m//  YXPiOSClient////  Created by openthread on 7/27/12.//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.//#import "YXPActionSheet.h"#define BUTTON_LABEL_TAG 891204@interface YXPActionSheet()+ (UILabel *)buttonLabelWithText:(NSString *)text;- (void)setActionSheetHeight:(CGFloat)height;- (void)addButton:(UIButton *)button;- (void)resizeButtons;- (void)buttonTouched:(UIButton *)button;@end@implementation YXPActionSheet{    UIView *_dimmView;    UIImageView *_sheetBackgroundView;    NSMutableArray *_buttonArray;}@synthesize delegate = _delegate;+ (YXPActionSheet *)actionSheetWithCancelButtonTitle:(NSString *)cancelTitle                              destructiveButtonTitle:(NSString *)destructiveButtonTitle                                   otherButtonTitles:(id)otherButtonTitles, ... NS_REQUIRES_NIL_TERMINATION{    YXPActionSheet *sheetView = [[YXPActionSheet alloc] initWithFrame:CGRectZero];    if(!sheetView) return nil;        NSUInteger buttonIndex = 0;        CGFloat height = 27.0f;    if (destructiveButtonTitle)    {        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];        button.tag = buttonIndex++;        button.frame = CGRectMake(0, height - 4.0f, 0.0f, 45.0f);        [button setBackgroundImage:[[UIImage imageNamed:@"YXPActionSheetDestructiveButton.png"] stretchableImageWithLeftCapWidth:22 topCapHeight:22] forState:UIControlStateNormal];        UILabel *label = [YXPActionSheet buttonLabelWithText:destructiveButtonTitle];        [button addSubview:label];        [sheetView addButton:button];        height += 59.0f;    }        va_list args;    va_start(args, otherButtonTitles);    for (NSString *arg = otherButtonTitles; arg != nil; arg = va_arg(args, NSString*))    {        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];        button.tag = buttonIndex++;        button.frame = CGRectMake(0, height - 4.0f, 0.0f, 45.0f);        [button setBackgroundImage:[[UIImage imageNamed:@"YXPActionSheetButton.png"] stretchableImageWithLeftCapWidth:22 topCapHeight:22] forState:UIControlStateNormal];        UILabel *label = [YXPActionSheet buttonLabelWithText:arg];        [button addSubview:label];        [sheetView addButton:button];        height += 59.0f;    }    va_end(args);        if (cancelTitle)    {        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];        button.tag = buttonIndex++;        button.frame = CGRectMake(0, height - 4.0f, 0.0f, 45.0f);        [button setBackgroundImage:[[UIImage imageNamed:@"YXPActionSheetCancelButton.png"] stretchableImageWithLeftCapWidth:22 topCapHeight:22] forState:UIControlStateNormal];        UILabel *label = [YXPActionSheet buttonLabelWithText:cancelTitle];        [button addSubview:label];        [sheetView addButton:button];        height += 59.0f;    }        [sheetView setActionSheetHeight:height];    return sheetView;}- (id)initWithFrame:(CGRect)frame{    CGRect screenRect = [[UIScreen mainScreen] bounds];    CGSize screenSize = screenRect.size;    self = [super initWithFrame:(CGRect){CGPointZero,screenSize}];    if (self)    {        _buttonArray = [NSMutableArray array];                _dimmView = [[UIView alloc] initWithFrame:(CGRect){CGPointZero,screenSize}];        _dimmView.backgroundColor = [UIColor colorWithWhite:0.0f/255.0f alpha:0.5f];        [super addSubview:_dimmView];                _sheetBackgroundView = [[UIImageView alloc] initWithFrame:frame];        UIImage *backgroundImage = [UIImage imageNamed:@"YXPActionSheetBackground.png"];        backgroundImage = [backgroundImage stretchableImageWithLeftCapWidth:40 topCapHeight:40];        _sheetBackgroundView.userInteractionEnabled = YES;        _sheetBackgroundView.image = backgroundImage;        _sheetBackgroundView.userInteractionEnabled = YES;        [super addSubview:_sheetBackgroundView];    }    return self;}- (void)addSubview:(UIView *)view{    [_sheetBackgroundView addSubview:view];}- (void)showInView:(UIView *)view{    [view addSubview:self];        _sheetBackgroundView.transform = CGAffineTransformIdentity;        CGFloat height = _sheetBackgroundView.frame.size.height;    CGFloat superViewHeight = view.frame.size.height;        _dimmView.alpha = 0;    _sheetBackgroundView.frame = CGRectMake(0, superViewHeight, view.frame.size.width, height);    [self resizeButtons];    [UIView animateWithDuration:0.2 animations:^{        _dimmView.alpha = 1;        _sheetBackgroundView.frame = CGRectMake(0, superViewHeight - height, view.frame.size.width, height);    }];}- (void)showInWindow{    [self showInView:[[[UIApplication sharedApplication] delegate] window]];}- (void)showInViewFromLeft:(UIView *)view{    [view addSubview:self];        CGFloat height = _sheetBackgroundView.frame.size.height;    CGFloat superViewHeight = view.frame.size.height;        _dimmView.alpha = 0;    CGRect originFrame = CGRectMake(-height / 2 - superViewHeight / 2,                                    superViewHeight / 2 - height / 2,                                    superViewHeight,                                    height);    _sheetBackgroundView.frame = originFrame;    _sheetBackgroundView.transform = CGAffineTransformMakeRotation(M_PI / 2);    [self resizeButtons];    [UIView animateWithDuration:0.2 animations:^{        _dimmView.alpha = 1;        _sheetBackgroundView.center = CGPointMake(height / 2, _sheetBackgroundView.center.y);    }];}- (void)showInWindowFromLeft{    [self showInViewFromLeft:[[[UIApplication sharedApplication] delegate] window]];}- (void)dismiss{    [UIView animateWithDuration:0.2 animations:^{        _dimmView.alpha = 0;        if (CGAffineTransformEqualToTransform(_sheetBackgroundView.transform, CGAffineTransformMakeRotation(M_PI_2)))        {            CGFloat height = _sheetBackgroundView.frame.size.height;            CGFloat superViewHeight = self.superview.frame.size.height;            CGRect originFrame = CGRectMake(-height / 2 - superViewHeight / 2,                                            superViewHeight / 2 - height / 2,                                            superViewHeight,                                            height);            _sheetBackgroundView.frame = originFrame;        }        else        {            CGRect frame = _sheetBackgroundView.frame;            frame.origin.y = self.superview.frame.size.height;            _sheetBackgroundView.frame = frame;        }    } completion:^(BOOL finished) {        [self removeFromSuperview];    }];}#pragma mark - Private Methods+ (UILabel *)buttonLabelWithText:(NSString *)text{    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 320, 45)];    label.text = text;    label.font = [UIFont systemFontOfSize:19.0f];    label.textColor = [UIColor whiteColor];    label.shadowColor = [UIColor colorWithRed:44.0f/255.0f green:46.0f/255.0f blue:48.0f/255.0f alpha:1.0f];    label.shadowOffset = CGSizeMake(0, -1.0f);    label.backgroundColor = [UIColor clearColor];    label.textAlignment = UITextAlignmentCenter;    label.text = text;    label.tag = BUTTON_LABEL_TAG;    return label;}- (void)resizeButtons{    CGFloat frameWidth = _sheetBackgroundView.frame.size.width;    if (CGAffineTransformEqualToTransform(_sheetBackgroundView.transform, CGAffineTransformMakeRotation(M_PI_2)))    {        frameWidth =_sheetBackgroundView.frame.size.height;    }    for (UIView *eachButton in _buttonArray)    {        CGRect buttonFrame = eachButton.frame;        buttonFrame.origin.x = 22;        buttonFrame.size.width = frameWidth - 44;        eachButton.frame = buttonFrame;                UIView *label = [eachButton viewWithTag:BUTTON_LABEL_TAG];        label.frame = CGRectMake(10, 0, eachButton.frame.size.width - 20, eachButton.frame.size.height);    }}- (void)setActionSheetHeight:(CGFloat)height{    _sheetBackgroundView.frame = CGRectMake(0, 0, 0, height);}- (void)addButton:(UIButton *)button{    [_buttonArray addObject:button];    [button addTarget:self action:@selector(buttonTouched:) forControlEvents:UIControlEventTouchUpInside];    [_sheetBackgroundView addSubview:button];}- (void)buttonTouched:(UIButton *)button{    if (self.delegate && [self.delegate respondsToSelector:@selector(actionSheet:clickedButtonAtIndex:buttonTitle:)])    {        UILabel *label = (UILabel *)[button viewWithTag:BUTTON_LABEL_TAG];        [self.delegate actionSheet:self clickedButtonAtIndex:button.tag buttonTitle:label.text];    }    [self dismiss];}@end

八张切图

YXPActionSheetDestructiveButton.png

YXPActionSheetDestructiveButton@2x.png

YXPActionSheetButton.png

YXPActionSheetButton@2x.png

YXPActionSheetCancelButton.png

YXPActionSheetCancelButton@2x.png

YXPActionSheetBackground.png

YXPActionSheetBackground@2x.png