iOS设置的代理没有被调用

Question

SearchViewController.h

#import
#import "search.h"

@interface SearchViewController : UIViewController

@property (nonatomic,strong) id delegate;

@end

SeachViewController.m

• (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
  {
  if (_searchBar.text.length == 0) {
  [self setSearchControllerHidden:YES];
  }
  else
  {
  _searchController.searchText = _searchBar.text;
  //发送消息
  if ([self.delegate respondsToSelector:@selector(searchTextChange)]) {
  [self.delegate searchTextChange];
  }

  [self setSearchControllerHidden:NO];
  

  }
  }

SearchResultController.m

• (void)viewDidLoad {
  [super viewDidLoad];

  SearchViewController *searchViewVC = [[SearchViewController alloc]init];

  searchViewVC.delegate = self;

  self.resultList = [[NSMutableArray alloc]initWithObjects:@"1",@"2",@"3",@"4", nil];
  }

• (void)searchTextChange
  {
  NSLog(@"%@",self.searchText);
  }

Answer 1

你要设置self.delegate＝searchbar的协议啊