Iphone 如何使用自定义UISearchBar获取searchBarDelegate方法?
我为我的应用程序创建了一个自定义搜索栏,下面是类: h 我正在尝试获取Iphone 如何使用自定义UISearchBar获取searchBarDelegate方法?,iphone,ios,uiview,subclass,uisearchbar,Iphone,Ios,Uiview,Subclass,Uisearchbar,我为我的应用程序创建了一个自定义搜索栏,下面是类: h 我正在尝试获取searchBarSearchButtonClicked:delegate方法的功能 以下是用于此(taskListViewController)的代码: h 因此,我在searchView类和TaskListViewController上都设置了uisearchBarDelegate。之所以没有调用它,是因为我正在对uiview而不是uisearchBar进行子类化?如果您需要更多代码/详细信息,请告诉我!谢谢 您已经创建了
searchBarSearchButtonClicked:
delegate方法的功能
以下是用于此(taskListViewController)的代码:
h
因此,我在searchView类和TaskListViewController上都设置了uisearchBarDelegate。之所以没有调用它,是因为我正在对uiview而不是uisearchBar进行子类化?如果您需要更多代码/详细信息,请告诉我!谢谢 您已经创建了一个自定义搜索视图,因此建议您的类实现自己的委托搜索方法,而不是使用现有的UISearchBar方法来区分并使代码更具可读性 你应该为你的
SearchView
类做一个委托
在这里,您可以参考如何创建自己的一个
创建后,TaskListViewController
可以符合该委托,当点击searchButton时,您可以在searchview中调用该方法,以便TaskListViewController接收该方法
@interface SearchView : UIView <UITextFieldDelegate, UISearchBarDelegate>
@property (nonatomic, strong) UITextField *searchField;
@property (nonatomic, strong) UIButton *searchButton;
@end
@implementation SearchView
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
CGRect frame = CGRectMake(0, 0, 35, 35);
[self.searchButton sizeToFit];
self.alpha = 0.6;
self.backgroundColor = [UIColor colorWithRed:206/255.0 green:206/255.0 blue:206/255.0 alpha:.8];
self.searchButton = [UIButton buttonWithType:UIButtonTypeCustom];
//[self.searchButton addTarget:self action:@selector(performSearchQuery) forControlEvents:UIControlEventTouchUpInside];
[self.searchButton setImage:[UIImage imageNamed:@"SearchIcon2"] forState:UIControlStateNormal];
//[self.searchButton sizeToFit];
//self.searchButton.bounds.size.height = ;
self.searchButton.frame = frame;
// self.searchButton.right = frame.size.width - kPadding;
[self addSubview:self.searchButton];
self.searchField = [[UITextField alloc] initWithFrame:CGRectMake(43, -5, 270, 50)];
//self.searchField.placeholder = [@"Search..." uppercaseString];
self.searchField.delegate = self;
self.searchField.autocorrectionType = UITextAutocorrectionTypeNo;
self.searchField.autocapitalizationType = UITextAutocapitalizationTypeWords;
self.searchField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
self.searchField.returnKeyType = UIReturnKeySearch;
self.searchField.clearsOnBeginEditing = YES;
self.searchField.clearButtonMode = UITextFieldViewModeWhileEditing;
[self addSubview:self.searchField];
}
return self;
}
@interface TaskListViewController : UIViewController <UITableViewDelegate,UITableViewDataSource, UISearchBarDelegate, UITextFieldDelegate, ScavengerAPIGetTaskListDelegate>{
SearchView *searchView;
}
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
searchBar = (UISearchBar *)searchView;
[self didTapSearchButton];
}
- (IBAction)didTapSearchButton
{
NSString *searchTerm = searchView.searchField.text;
if ([searchTerm isEqualToString:@""]) {
[self.view endEditing:YES];
return ;
}
[searchView resignFirstResponder];
NSArray *results = [[CoreDataManager sharedInstance] fetchTaskByName:searchTerm];
[tasks removeAllObjects];
[tasks addObjectsFromArray:results];
[self.view endEditing:YES];
[taskTable reloadData];
}