自定义UISearchBar 适配IOS6和IOS7

来源：互联网发布：施工计划横道图软件编辑：程序博客网时间：2024/04/30 13:20

MySearchBar.h

#import <UIKit/UIKit.h>#define kBgTextFieldImageName @"search_bar_bg.png"@interface MySearchBar : UISearchBar <UISearchBarDelegate>- (void)changeBarTextfieldWithColor:(UIColor *)color bgImageName:(NSString *)bgImageName;- (void)changeBarCancelButtonWithColor:(UIColor *)textColor bgImageName:(NSString *)bgImageName;@end

MySearchBar.m

#import "MySearchBar.h"#import "CommonMethods.h"@implementation MySearchBar- (id)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        UIColor *color = [UIColor colorWithRed:255/255.0 green:128/255.0 blue:0.0 alpha:1];        [self changeBarTextfieldWithColor: color bgImageName: kBgTextFieldImageName];        [self changeBarCancelButtonWithColor:[UIColor whiteColor] bgImageName: nil];    }    return self;}- (void)changeBarTextfieldWithColor:(UIColor *)color bgImageName:(NSString *)bgImageName{    self.tintColor=color;        UITextField *textField;    if ([[[UIDevice currentDevice] systemVersion] floatValue] > 6.1f) {        for (UIView *subv in self.subviews) {            for (UIView* view in subv.subviews) {                if ([view isKindOfClass:NSClassFromString(@"UISearchBarTextField")]) {                    textField = (UITextField*)view;                    textField.layer.borderWidth=1;                    textField.layer.cornerRadius=6;                    textField.layer.borderColor=color.CGColor;                    break;                }            }        }    }else{        for (UITextField *subv in self.subviews) {            if ([subv isKindOfClass:[UITextField class]]) {                textField = (UITextField*)subv;                break;            }        }    }        // 设置文本框背景    NSArray *subs = self.subviews;    if ([[[UIDevice currentDevice] systemVersion] floatValue]  > 6.1f) { // ios 7        for (int i = 0; i < [subs count]; i++) {            UIView* subv = (UIView*)[self.subviews objectAtIndex:i];            for (UIView* subview in subv.subviews) {                if ([subview isKindOfClass:NSClassFromString(@"UISearchBarBackground")])                {                    [subview setHidden:YES];                    [subview removeFromSuperview];                    break;                }            }        }    }else{        for (int i = 0; i < [subs count]; i++) {            UIView* subv = (UIView*)[self.subviews objectAtIndex:i];            if ([subv isKindOfClass:NSClassFromString(@"UISearchBarBackground")])            {                [subv removeFromSuperview];                break;            }        }    }        UIImage *searchBarBgImage = [CommonMethods imageWithFileName: bgImageName scale:2 edgeInsets:UIEdgeInsetsMake(10, 10, 10, 10)];    [textField setBackground:searchBarBgImage];}- (void)changeBarCancelButtonWithColor:(UIColor *)textColor bgImageName:(NSString *)bgImageName{    for (UIView *searchbuttons in self.subviews)    {                if ([searchbuttons isKindOfClass:[UIButton class]]) // ios7以下        {            UIButton *cancelButton = (UIButton*)searchbuttons;            cancelButton.enabled = YES;            [cancelButton setTitleColor:textColor forState:UIControlStateNormal];            [cancelButton setTitleColor:textColor forState:UIControlStateSelected];             if (bgImageName)             {                 [cancelButton setBackgroundImage:[UIImage imageNamed:bgImageName] forState:UIControlStateNormal];                 [cancelButton setBackgroundImage:[UIImage imageNamed:bgImageName] forState:UIControlStateSelected];             }            break;        }    }}@end

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