IOS中獲取本地通訊錄聯(lián)系人以及漢字首字母排序
iOS中獲取手機(jī)通訊錄中的聯(lián)系人信息:
/*** 加載本地聯(lián)系人*/ - (void)loadLocalContacts { //新建一個通訊錄類 ABAddressBookRef addressBooks = nil; if (DeviceVersion < 6.0) { addressBooks = ABAddressBookCreate(); } else { addressBooks = ABAddressBookCreateWithOptions(NULL, NULL); //獲取通訊錄權(quán)限 dispatch_semaphore_t sema = dispatch_semaphore_create(0); ABAddressBookRequestAccessWithCompletion(addressBooks, ^(bool granted, CFErrorRef error){dispatch_semaphore_signal(sema);}); dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER); dispatch_release(sema); } //判斷授權(quán)狀態(tài) if (ABAddressBookGetAuthorizationStatus()!=kABAuthorizationStatusAuthorized) { return ; } //獲取通訊錄中的所有人 CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeople(addressBooks); //通訊錄中人數(shù) CFIndex nPeople = ABAddressBookGetPersonCount(addressBooks); NSMutableArray *persons = [[NSMutableArray alloc] init]; for (int i = 0; i < nPeople; i++) { //獲取個人 ABRecordRef person = CFArrayGetValueAtIndex(allPeople, i); //獲取個人名字 NSString *firstName = (NSString *)ABRecordCopyValue(person, kABPersonFirstNameProperty); NSString *lastName = (NSString *)ABRecordCopyValue(person, kABPersonLastNameProperty); NSMutableString *name = [[NSMutableString alloc] init]; if (firstName == nil && lastName == nil) { NSLog(@"名字不存在的情況"); name = nil; } if (lastName) { [name appendString:lastName]; } if (firstName) { [name appendString:firstName]; } ABMultiValueRef tmlphone = ABRecordCopyValue(person, kABPersonPhoneProperty); NSString *telphone = (NSString *)ABMultiValueCopyValueAtIndex(tmlphone, 0); if (telphone != nil) { telphone = [telphone stringByReplacingOccurrencesOfString:@"-" withString:@""]; NSString *title = [NSString stringWithFormat:@"%@(%@)",name,telphone]; [persons addObject:title]; } } //對聯(lián)系人進(jìn)行分組和排序 UILocalizedIndexedCollation *theCollation = [UILocalizedIndexedCollation currentCollation]; NSInteger highSection = [[theCollation sectionTitles] count]; //中文環(huán)境下返回的應(yīng)該是27,是a-z和#,其他語言則不同 //_indexArray 是右側(cè)索引的數(shù)組,也是secitonHeader的標(biāo)題 _indexArray = [[NSMutableArray alloc] initWithArray:[theCollation sectionTitles]]; NSMutableArray *newSectionsArray = [[NSMutableArray alloc] initWithCapacity:highSection]; //初始化27個空數(shù)組加入newSectionsArray for (NSInteger index = 0; index < highSection; index++) { NSMutableArray *array = [[NSMutableArray alloc] init]; [newSectionsArray addObject:array]; [array release]; } for (NSString *p in persons) { //獲取name屬性的值所在的位置,比如"林丹",首字母是L,在A~Z中排第11(第一位是0),sectionNumber就為11 NSInteger sectionNumber = [theCollation sectionForObject:p collationStringSelector:@selector(getFirstLetter)]; //把name為“林丹”的p加入newSectionsArray中的第11個數(shù)組中去 NSMutableArray *sectionNames = newSectionsArray[sectionNumber]; [sectionNames addObject:p]; } for (int i = 0; i < newSectionsArray.count; i++) { NSMutableArray *sectionNames = newSectionsArray[i]; if (sectionNames.count == 0) { [newSectionsArray removeObjectAtIndex:i]; [_indexArray removeObjectAtIndex:i]; i--; } } //_contacts 是聯(lián)系人數(shù)組(確切的說是二維數(shù)組) self.contacts = newSectionsArray; [newSectionsArray release]; [self.tableView reloadData]; }
順便把索引和tableView dataSource的代理方法也貼一下:
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return self.contacts.count; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.contacts[section] count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *identifier = @"contactCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier]; if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier]; } cell.imageView.image = [UIImage imageNamed:@"default_head"]; cell.textLabel.text = [self.contacts objectAtIndex:indexPath.section][indexPath.row]; return cell; } - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { return [_indexArray objectAtIndex:section]; } - (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView { return _indexArray; } //索引列點擊事件 - (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index { return index; }
還有兩個很重要的方法:
下面這個方法是[theCollation sectionForObject:p collationStringSelector:@selector(getFirstLetter)]; 是這里的p對象要實現(xiàn)的方法,我這里的p是NSString,你也可以用其他對象例如Person。
NSString *ret = @""; if (![self canBeConvertedToEncoding: NSASCIIStringEncoding]) {//如果是英語 if ([[self letters] length]>2) { ret = [[self letters] substringToIndex:1]; } } else { ret = [NSString stringWithFormat:@"%c",[self characterAtIndex:0]]; } return ret; }
下面這個方法是NSString得類別方法
- (NSString *)letters{ NSMutableString *letterString = [NSMutableString string]; int len = [self length]; for (int i = 0;i < len;i++) { NSString *oneChar = [[self substringFromIndex:i] substringToIndex:1]; if (![oneChar canBeConvertedToEncoding:NSASCIIStringEncoding]) { NSArray *temA = makePinYin2([oneChar characterAtIndex:0]); if ([temA count]>0) { oneChar = [temA objectAtIndex:0]; } } [letterString appendString:oneChar]; } return letterString; }
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