UISearchBar custom

#import <UIKit/UINavigationBar.h>@implementation MySearchBar-(id)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        self.tintColor= [UIColor whiteColor];        self.showsCancelButton = YES;    }    return self;}/*// Only override drawRect: if you perform custom drawing.// An empty implementation adversely affects performance during animation.- (void)drawRect:(CGRect)rect {    // Drawing code}*/-(void)layoutSubviews{    [super layoutSubviews];           UITextField *searchField;    UIButton *button;        NSArray *subviewArr = self.subviews;    for(int i = 0; i < subviewArr.count ; i++) {        UIView *viewSub = [subviewArr objectAtIndex:i];        NSArray *arrSub = viewSub.subviews;        for (int j = 0; j < arrSub.count ; j ++) {            id tempId = [arrSub objectAtIndex:j];                        if([tempId isKindOfClass:[UITextField class]]) {                searchField = (UITextField *)tempId;            }                        if ([tempId isKindOfClass:[UIButton class]]) {                                button = (UIButton *)tempId;            }                    }    }        //自定义UISearchBar    if(searchField) {        searchField.placeholder = @"输入要查找的关键字";        [searchField setBorderStyle:UITextBorderStyleNone];        //[searchField setBackgroundColor:[UIColor blueColor]];        //[searchField setValue:[UIColor whiteColor] forKeyPath:@"_placeholderLabel.textColor"];        [searchField setTextColor:[UIColor orangeColor]];        [searchField setBackgroundColor:[UIColor clearColor]];                //自己的搜索图标        //NSString *path = [[NSBundle mainBundle] pathForResource:@"search1" ofType:@"png"];        //UIImage *image = [UIImage imageWithContentsOfFile:path];                //UIImageView *iView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"search1"]];        //[iView setFrame:CGRectMake(0.0, 0.0, 16.0, 16.0)];        //searchField.leftView = iView;        [searchField setLeftViewMode:UITextFieldViewModeNever];    }        //外部背景    UIView *outView = [[UIView alloc] initWithFrame:self.bounds];   // [outView setBackgroundColor:[UIColor orangeColor]];    UIImage *searchleftImg = [UIImage imageNamed:@"searchbar_left"];    UIImage *searchrightImg = [UIImage imageNamed:@"searchbar_right"];        //UIImage *searchleftImg1 = [searchleftImg stretchableImageWithLeftCapWidth:40 topCapHeight:0];    UIEdgeInsets insets1 = UIEdgeInsetsMake(0, 50, 0, 60);    UIImage *searchleftImg1 = [searchleftImg resizableImageWithCapInsets:insets1];        UIEdgeInsets insets = UIEdgeInsetsMake(0, 0, 0, 30);    UIImage *searchrightImg1 = [searchrightImg resizableImageWithCapInsets:insets];                       UIView *view = [[UIView alloc] initWithFrame:CGRectMake(searchField.frame.origin.x-2, searchField.frame.origin.y -8, searchField.frame.size.width, searchField.frame.size.height)];        UIImageView *imageViewleft =[[UIImageView alloc] initWithFrame:CGRectMake(0, 0, searchField.frame.size.width/2, searchField.frame.size.height *2)];    imageViewleft.image = searchleftImg1;        UIImageView *imageViewRight = [[UIImageView alloc] initWithFrame:CGRectMake(searchField.frame.size.width/2,0 , searchField.frame.size.width/2, searchField.frame.size.width)];        imageViewRight.image =searchrightImg1;            [view addSubview:imageViewleft];    [view addSubview:imageViewRight];        [self insertSubview:view belowSubview:searchField];        button.titleLabel.text = @"okok";    [button setBackgroundColor:[UIColor clearColor]];        UIButton *button2 = [[UIButton alloc] initWithFrame:button.frame];    button2.titleLabel.text = @"okok";    [self insertSubview:button2 belowSubview:button];        NSLog(@"%@",button);            }@end