iOS开发之CoreSpotlight框架的应用

- (void)viewDidLoad {
    [super viewDidLoad];
    //创建索引属性对象
    CSSearchableItemAttributeSet *set = [[CSSearchableItemAttributeSet alloc] initWithItemContentType:(NSString*)kUTTypeText];
    //设置索引属性
    set.title = @"哈哈哈";
    set.displayName = @"Hello";
    set.alternateNames = @[@"aaa",@"bbb"];
    set.keywords = @[@"333",@"444"];
    set.version = @"1.1";
    set.path = @"path";
    set.thumbnailURL = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"image" ofType:@"png"]];
    //创建索引
    CSSearchableItem *item = [[CSSearchableItem alloc] initWithUniqueIdentifier:@"1111" domainIdentifier:@"huishao" attributeSet:set];
    //添加索引
    [[CSSearchableIndex defaultSearchableIndex] indexSearchableItems:@[item] completionHandler:^(NSError * _Nullable error) {
        if (error) {
            NSLog(@"buildSearchableItem Error:%@",error.localizedDescription);
        }
    }];
}

//代理对象
@property (weak,nullable) id<CSSearchableIndexDelegate> indexDelegate; 
//获取索引检索是否可用
+ (BOOL)isIndexingAvailable;
//获取默认提供的索引管理对象
+ (instancetype)defaultSearchableIndex;
//创建一个索引管理对象
- (instancetype)initWithName:(NSString *)name;
- (instancetype)initWithName:(NSString *)name protectionClass:(nullable NSFileProtectionType)protectionClass;
//获取索引管理对象中的所有索引
- (void)indexSearchableItems:(NSArray<CSSearchableItem *> *)items completionHandler:(void (^ __nullable)(NSError * __nullable error))completionHandler;
//通过标识符来删除索引
- (void)deleteSearchableItemsWithIdentifiers:(NSArray<NSString *> *)identifiers completionHandler:(void (^ __nullable)(NSError * __nullable error))completionHandler;
//通过域名来删除索引
- (void)deleteSearchableItemsWithDomainIdentifiers:(NSArray<NSString *> *)domainIdentifiers completionHandler:(void (^ __nullable)(NSError * __nullable error))completionHandler;
//删除所有索引
- (void)deleteAllSearchableItemsWithCompletionHandler:(void (^ __nullable)(NSError * __nullable error))completionHandler;

//这个代理重新索引所有可搜索的数据，并且清除任何本地状态（可能该状态已经被持久化），因为索引已经丢失了
- (void)searchableIndex:(CSSearchableIndex *)searchableIndex reindexAllSearchableItemsWithAcknowledgementHandler:(void (^)(void))acknowledgementHandler;
//根据id重新索引所有可搜索的数据
- (void)searchableIndex:(CSSearchableIndex *)searchableIndex reindexSearchableItemsWithIdentifiers:(NSArray <NSString *> *)identifiers
 acknowledgementHandler:(void (^)(void))acknowledgementHandler;
//已经进入节能模式调用的方法
- (void)searchableIndexDidThrottle:(CSSearchableIndex *)searchableIndex;
// 结束节能模式调用的方法
- (void)searchableIndexDidFinishThrottle:(CSSearchableIndex *)searchableIndex;
//用来提供数据
- (nullable NSData *)dataForSearchableIndex:(CSSearchableIndex *)searchableIndex itemIdentifier:(NSString *)itemIdentifier typeIdentifier:(NSString *)typeIdentifier error:(out NSError ** __nullable)outError;
//用来提供文件地址
- (nullable NSURL *)fileURLForSearchableIndex:(CSSearchableIndex *)searchableIndex itemIdentifier:(NSString *)itemIdentifier typeIdentifier:(NSString *)typeIdentifier inPlace:(BOOL)inPlace error:(out NSError ** __nullable)outError;

//通过设置唯一标识符、域名和属性来定义索引
- (instancetype)initWithUniqueIdentifier:(nullable NSString *)uniqueIdentifier 
                        domainIdentifier:(nullable NSString *)domainIdentifier
                            attributeSet:(CSSearchableItemAttributeSet *)attributeSet;
//唯一标识符
@property (copy) NSString *uniqueIdentifier;
//域名标识符
@property (copy, nullable) NSString *domainIdentifier;
//过期时间
@property (copy, null_resettable) NSDate * expirationDate;
//属性
@property (strong) CSSearchableItemAttributeSet *attributeSet;

//---------------标准---------------------------------
//通过类型创建一个索引信息类
- (instancetype)initWithItemContentType:(nonnull NSString *)itemContentType;
//设置索引的展示名称  可以进行搜索
@property(nullable, copy) NSString *displayName;
//设置可交互的名称数组 可以进行搜索
@property(nullable, copy) NSArray<NSString*> *alternateNames;
//设置索引的完整路径 可以进行搜索
@property(nullable, copy) NSString *path;
//设置索引关联的文件URL
@property(nullable, strong) NSURL *contentURL;
//设置索引缩略图的URL
@property(nullable, strong) NSURL *thumbnailURL;
//设置索引缩略图数据
@property(nullable, copy) NSData *thumbnailData;
//数据最后更改日期
@property(nullable, strong) NSDate *metadataModificationDate;
//内容类型
@property(nullable, copy) NSString *contentType;
//关键字数组
@property(nullable, copy) NSArray<NSString*> *keywords;
//设置标题
@property(nullable, copy) NSString *title;
//设置版本
@property(nullable, copy) NSString *version;
//设置搜索权重 0-100之间
@property(nullable, strong) NSNumber *rankingHint;
//域名标识
@property(nullable, copy) NSString *domainIdentifier;

//------------动作相关--------------------------------
//是否支持拨打电话  必须先设置phoneNumbers属性
@property(nullable, strong) NSNumber *supportsPhoneCall;
//是否支持导航 必须先设置经纬度信息
@property(nullable, strong) NSNumber *supportsNavigation;

//------------容器相关--------------------------------
//设置容器标题
@property(nullable, copy) NSString *containerTitle;
//设置容器显示名
@property(nullable, copy) NSString *containerDisplayName;
//设置容器标识
@property(nullable, copy) NSString *containerIdentifier;
//设置容器顺序
@property(nullable, strong) NSNumber *containerOrder;

//-----------图片相关-------------------------------
//图片高度
@property(nullable, strong) NSNumber *pixelHeight;
//图片高度
@property(nullable, strong) NSNumber *pixelWidth;
//像素总数
@property(nullable, strong) NSNumber *pixelCount;
//颜色空间
@property(nullable, copy) NSString *colorSpace;
//每一帧的bit数
@property(nullable, strong) NSNumber *bitsPerSample;
//拍照时是否开启闪光灯
@property(nullable, strong, getter=isFlashOn) NSNumber *flashOn;
//焦距是否35毫米
@property(nullable, strong, getter=isFocalLength35mm) NSNumber *focalLength35mm;
//设备制造商信息
@property(nullable, copy) NSString *acquisitionMake;
//设备模型信息
@property(nullable, copy) NSString *acquisitionModel;
//... 更多图片信息

//----------媒体相关-------------------------------
//编辑者
@property(nullable, copy) NSArray<NSString*> *editors;
//下载时间
@property(nullable, strong) NSDate *downloadedDate;
//文件描述
@property(nullable, copy) NSString *comment;
//内容版权
@property(nullable, copy) NSString *copyright;
//最后使用时间
@property(nullable, strong) NSDate *lastUsedDate;
//添加时间
@property(nullable, strong) NSDate *addedDate;
//时长
@property(nullable, strong) NSNumber *duration;
//联系人关键字
@property(nullable, copy) NSArray<NSString*> *contactKeywords;
//媒体类型
@property(nullable, copy) NSArray<NSString*> *mediaTypes;
//总比特率
@property(nullable, strong) NSNumber *totalBitRate;
//视频比特币
@property(nullable, strong) NSNumber *videoBitRate;
//音频比特率
@property(nullable, strong) NSNumber *audioBitRate;
//组织信息
@property(nullable, copy) NSArray<NSString*> *organizations;
//创建者
@property(nullable, copy) NSString *role;
//语言信息
@property(nullable, copy) NSArray<NSString*> *languages;
//发布者
@property(nullable, copy) NSArray<NSString*> *publishers;
//地址
@property(nullable, strong) NSURL *URL;
//... 更多媒体信息

//---------------信息相关---------------------------
//网页数据
@property(nullable, copy) NSData *HTMLContentData;
//文本数据
@property(nullable, copy) NSString *textContent;
//作者数据
@property(nullable, copy) NSArray<CSPerson*> *authors;
//邮箱地址
@property(nullable, copy) NSArray<NSString*> *authorEmailAddresses;
@property(nullable, copy) NSArray<NSString*> *emailAddresses;
//电话号码
@property(nullable, copy) NSArray<NSString*> *phoneNumbers;
//... 更多

//--------------地址相关-------------------
//邮编
@property(nullable, copy) NSString *postalCode;
//城市
@property(nullable, copy) NSString *city;
//国家
@property(nullable, copy) NSString *country;
//海拔
@property(nullable, strong) NSNumber *altitude;
//经度
@property(nullable, strong) NSNumber *latitude;
//纬度
@property(nullable, strong) NSNumber *longitude;
//速度
@property(nullable, strong) NSNumber *speed;
//时间戳
@property(nullable, strong) NSDate *timestamp;
//...  更多