使用選項宣告和例項化 CBCentralManager

迅速：

var centralManager:CBCentralManager!

centralManager = CBCentralManager(delegate: self, queue: nil, options: [CBCentralManagerOptionRestoreIdentifierKey : "com.companyname.appname.central"])

目標 C：

@property (nonatomic, strong) CBCentralManager *centralManager;

self.centralManager = [[CBCentralManager alloc] initWithDelegate:self queue:nil options:@{CBCentralManagerOptionRestoreIdentifierKey : @"com.companyname.appname.central"}];