UISearchBar和UISearchDisplayController

 1 #import <UIKit/UIKit.h>
 2 
 3 @interface ViewController : UIViewController<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate,UISearchDisplayDelegate>
 4 {
 5     NSMutableArray *_dataArray;
 6     
 7     //搜索结果的数组
 8     NSMutableArray *_resultArray;
 9     
10     IBOutlet UITableView *_tableView;
11 }
12 
13 @end

  1 #import "ViewController.h"
  2 #import <AddressBook/AddressBook.h>
  3 
  4 @interface ViewController ()
  5 
  6 @end
  7 
  8 @implementation ViewController
  9 
 10 - (void)viewDidLoad
 11 {
 12     [super viewDidLoad];
 13     
 14     _dataArray = [[NSMutableArray alloc] init];
 15     _resultArray = [[NSMutableArray alloc] init];
 16     
 17     //创建通讯录对象
 18     ABAddressBookRef addressbook = ABAddressBookCreateWithOptions(NULL, NULL);
 19     //请求权限
 20     ABAddressBookRequestAccessWithCompletion(addressbook, ^(bool granted,CFErrorRef error){
 21         
 22         //获取数据
 23         NSArray *array = (NSArray *)ABAddressBookCopyArrayOfAllPeople(addressbook);
 24         for (int i = 0; i < array.count; i++)
 25         {
 26             ABRecordRef person = array[i];
 27             NSString *name = (NSString *)ABRecordCopyCompositeName(person);
 28             
 29             ABMultiValueRef ref = ABRecordCopyValue(person, kABPersonPhoneProperty);
 30             NSString *phone = (NSString *)ABMultiValueCopyValueAtIndex(ref, 0);
 31             NSLog(@"%@",phone);
 32             
 33             NSString *newPhone = [self trimString:phone];
 34             
 35             
 36             NSDictionary *dic = @{@"name": name,@"phone":newPhone};
 37             //把字典添加到数组中
 38             [_dataArray addObject:dic];
 39             
 40             CFRelease(name);
 41             CFRelease(ref);
 42             CFRelease(phone);
 43             
 44         }
 45         
 46         //1 YES  主线程
 47         //0 NO  分线程
 48         NSLog(@"%d",[NSThread isMainThread]);
 49         //一般刷新界面的操作要放到 主线程（UI线程中）
 50         //刷新表格  需要回到主线程中
 51         
 52         //回到主线程的方法
 53         //1.回到主线程中要执行的方法
 54         //2.方法里面的参数
 55         //3.YES 同步   NO 异步
 56         [self performSelectorOnMainThread:@selector(reloadTableView) withObject:nil waitUntilDone:YES];
 57         
 58         
 59 //        [_tableView reloadData];
 60         
 61     });
 62     
 63     
 64     //搜索条  UISearchBar
 65     UISearchBar *searchBar = [[UISearchBar alloc] init];
 66     searchBar.frame = CGRectMake(0, 20, 320, 44);
 67     //设置搜索条风格
 68     searchBar.searchBarStyle = UISearchBarStyleDefault;
 69     //设置搜索条占位符
 70     searchBar.placeholder = @"请输入内容";
 71     //设置搜索条背景颜色
 72 //    searchBar.barTintColor = [UIColor blueColor];
 73     
 74     //是否显示书签按钮
 75     searchBar.showsBookmarkButton = YES;
 76     //是否显示取消按钮
 77     searchBar.showsCancelButton = YES;
 78     //是否显示结果集
 79     searchBar.showsSearchResultsButton = YES;
 80     //设置搜索条 搜索条件
 81     searchBar.scopeButtonTitles = [NSArray arrayWithObjects:@"按照姓名搜索",@"按照电话号码搜索", nil];
 82     
 83     //设置代理
 84     searchBar.delegate = self;
 85     
 86     
 87     //把searchBar设置为表格的表头view
 88     _tableView.tableHeaderView = searchBar;
 89     [searchBar release];
 90 //    [self.view addSubview:searchBar];
 91     
 92     //搜索结果的展示器   一般是和 UISearchBar 结合使用
 93     //集成 了一个searchBar和一个tableview （用来展示搜索结果）
 94     //1.结果展示器和哪个搜索条绑定
 95     //2.搜索到的内容要显示到哪个视图控制器上
 96     UISearchDisplayController *controller = [[UISearchDisplayController alloc] initWithSearchBar:searchBar contentsController:self];
 97     //设置结果展示器的代理
 98     controller.delegate = self;
 99     //设置结果展示器的数据源
100     controller.searchResultsDataSource = self;
101     controller.searchResultsDelegate = self;
102 }
103 
104 //回到主线程
105 -(void)reloadTableView
106 {
107     NSLog(@"reload。。。%d",[NSThread isMainThread]);
108     [_tableView reloadData];
109 }
110 
111 #pragma mark - searchBarDelegate
112 - (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar
113 {
114     NSLog(@"搜索条开始编辑");
115 }
116 
117 #pragma mark - searchDisplayDelegate
118 //搜索内容改变 并且刷新搜索结果集的表格
119 - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString
120 {
121     NSLog(@"搜索内容改变 %@",searchString);
122     //处理搜索内容
123     
124     //清空上次搜索的内容
125     [_resultArray removeAllObjects];
126     
127     //判断当前搜索的类型
128     if (controller.searchBar.selectedScopeButtonIndex == 0)//按照姓名搜索
129     {
130         for (NSDictionary *dic in _dataArray)
131         {
132             NSString *name = dic[@"name"];
133             //判断姓名中是否包含了 搜索字符串的内容
134             NSRange range = [name rangeOfString:searchString];
135             if (range.location != NSNotFound)
136             {
137                 //当前联系人姓名中包含了搜索的字符串
138                 //把匹配到的数据添加到搜索结果的数组中
139                 [_resultArray addObject:dic];
140                 
141             }
142         }
143     }
144     else//按照电话号码搜索
145     {
146         for (NSDictionary *dic in _dataArray)
147         {
148             NSString *phone = dic[@"phone"];
149             NSRange range = [phone rangeOfString:searchString];
150             if (range.location != NSNotFound)
151             {
152                 //匹配
153                 [_resultArray addObject:dic];
154             }
155         }
156     }
157 
158     return YES;
159 }
160 
161 
162 - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption
163 {
164     NSLog(@"搜索条件切换");
165     [self  searchDisplayController:controller shouldReloadTableForSearchString:controller.searchBar.text];
166     return YES;
167 }
168 
169 
170 #pragma mark - dataSource
171 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
172 {
173     //判断当前执行协议方法的表格是哪一个
174     if (tableView == _tableView)
175     {
176         return _dataArray.count;
177     }
178     else//结果集表格
179     {
180         return _resultArray.count;
181     }
182     
183 }
184 
185 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
186 {
187     static NSString *cellID = @"Cell";
188     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];
189     if (!cell)
190     {
191         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellID] autorelease];
192     }
193     
194     //填写数据
195     NSDictionary *dic = nil;
196     
197     if (tableView == _tableView)
198     {
199         dic = _dataArray[indexPath.row];
200     }
201     else
202     {
203         dic = _resultArray[indexPath.row];
204     }
205 
206 //    NSDictionary *dic = _dataArray[indexPath.row];
207     cell.textLabel.text = dic[@"name"];
208     cell.detailTextLabel.text = dic[@"phone"];
209     
210     return cell;
211 }
212 
213 
214 //过滤特殊字符
215 -(NSString *)trimString:(NSString *)string
216 {
217    string = [string stringByReplacingOccurrencesOfString:@"(" withString:@""];
218     string = [string stringByReplacingOccurrencesOfString:@")" withString:@""];
219     string = [string stringByReplacingOccurrencesOfString:@"-" withString:@""];
220     string = [string stringByReplacingOccurrencesOfString:@" " withString:@""];
221     return string;
222 }
223 
224 
225 -(void)dealloc
226 {
227     [_dataArray release];
228     [_resultArray release];
229     [super dealloc];
230 }
231 
232 - (void)didReceiveMemoryWarning
233 {
234     [super didReceiveMemoryWarning];
235     // Dispose of any resources that can be recreated.
236 }
237 
238 @end