#import "UIImageActionSheet.h"
@implementation UIImageActionSheet
-(id) initWithImage:(UIImage *)image
title:(NSString *)title
delegate:(id <UIActionSheetDelegate>)delegate
cancelButtonTitle:(NSString *)cancelButtonTitle
destructiveButtonTitle:(NSString *)destructiveButtonTitle
otherButtonTitles:(NSString *)otherButtonTitles{
self = [super initWithTitle:title delegate:delegate
cancelButtonTitle:cancelButtonTitle
destructiveButtonTitle:destructiveButtonTitle
otherButtonTitles:otherButtonTitles,nil];
if (self) {
titleImage=image;
[titleImage retain];
UIImageView *imageView = [[UIImageView alloc] initWithImage:titleImage];
imageView.frame = CGRectZero;
//
NSLog(@"subView:%@",self.subviews);
for (UIView *subView in self.subviews){
if (![subView isKindOfClass:[UILabel class]]) {
[self insertSubview:imageView aboveSubview:subView];
break;
}
}
[imageView release];
}
return self;
}
(CGFloat) maxLabelYCoordinate {
// Determine maximum y-coordinate of labels
CGFloat maxY = 0;
NSLog(@"subView11:%@",self.subviews);
for( UIView *view in self.subviews ){
if([view isKindOfClass:[UILabel class]]) {
CGRect viewFrame = [view frame];
CGFloat lowerY = viewFrame.origin.y + viewFrame.size.height;
if(lowerY > maxY)
maxY = lowerY;
}
}
return maxY;
}
-(void) layoutSubviews{
[super layoutSubviews];
CGRect frame = [self frame];
CGFloat labelMaxY = [self maxLabelYCoordinate];
for(UIView *view in self.subviews){
if (![view isKindOfClass:[UILabel class]]) {
if([view isKindOfClass:[UIImageView class]]){
CGRect viewFrame = CGRectMake((320 - titleImage.size.width)/2, labelMaxY + 10,
titleImage.size.width, titleImage.size.height);
[view setFrame:viewFrame];
}
else if(![view isKindOfClass:[UIImageView class]]) {
CGRect viewFrame = [view frame];
viewFrame.origin.y += titleImage.size.height+10;
[view setFrame:viewFrame];
}
}
}
frame.origin.y -= titleImage.size.height + 2.0;
frame.size.height += titleImage.size.height + 2.0;
[self setFrame:frame];
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
(void)drawRect:(CGRect)rect {
// Drawing code.
}
*/
[super dealloc];
if (titleImage) {
[titleImage release];
}
}
@end
就是这句 NSLog(@"subView:%@",self.subviews); 打印出来一直为空 subView:(
) 为什么啊
因为它没有，你直接用代理方法就可以了，干嘛要subview呢？