更改UIsearchbar 的背景和cancel按钮(转)
1 修改背景 searchbar =[[UISearchBar alloc]initWithFrame:CGRectMake(0,KTopBarHeight, 320, KTopBarHeight)]; searchbar.delegate=self; searchbar.keyboardType = UIKeyboardTypeDefault; //[[searchbar.subviews objectAtIndex:0]removeFromSuperview]; UIImage *img = [[UIImage imageNamed: @"searchBar_bg.png"]stretchableImageWithLeftCapWidth:0 topCapHeight:22]; UIImageView *v = [[[UIImageView alloc] initWithFrame:CGRectZero] autorelease]; [v setImage:img]; v.bounds = CGRectMake(0, 0, searchbar.frame.size.width, searchbar.frame.size.height); NSArray *subs = searchbar.subviews; for (int i = 0; i < [subs count]; i++) { id subv = [searchbar.subviews objectAtIndex:i]; if ([subv isKindOfClass:NSClassFromString(@"UISearchBarBackground")]) { CGRect viewRect = [subv frame]; [v setFrame:viewRect]; [searchbar insertSubview:v atIndex:i]; } } searchbar.placeholder=@"请输入疾病名,症状或问题"; 2 修改cancel按钮 -(void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{ searchBar.showsCancelButton=YES; btn.hidden=NO; searchBar.showsCancelButton = YES; for(id cc in [searchBar subviews]) { if([cc isKindOfClass:[UIButton class]]) { UIButton *sbtn = (UIButton *)cc; [sbtn setTitle:@"取消" forState:UIControlStateNormal]; [sbtn setTitleColor:[UIColor grayColor] forState:UIControlStateNormal]; } } }
转载自:http://blog.sina.com.cn/s/blog_7f422a890101ea5c.html
分类:
UI高级
标签:
UISearchBar
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