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2014/10/15 ¤U¤È 10:04:58

iphone Programming Glossary: centralmanager

Corebluetooth central manager callback didDiscoverPeripheral twice

http://stackoverflow.com/questions/11557500/corebluetooth-central-manager-callback-diddiscoverperipheral-twice

bool NO to not allow for more than one peripheral but sometimes the didDiscoverPeripheral callback fires twice. void centralManager CBCentralManager central didDiscoverPeripheral CBPeripheral peripheral advertisementData NSDictionary advertisementData..

Finding Distance from RSSI value of bluetooth low energy enable device

http://stackoverflow.com/questions/13705647/finding-distance-from-rssi-value-of-bluetooth-low-energy-enable-device

formulas I am getting the RSSI value of the device with the help of this bluetooth Low energy delegate method void centralManager CBCentralManager central didDiscoverPeripheral CBPeripheral peripheral advertisementData NSDictionary advertisementData..

Bluetooth connection between 2 iOS devices

http://stackoverflow.com/questions/13857143/bluetooth-connection-between-2-ios-devices

super viewDidLoad mCentralManager CBCentralManager alloc initWithDelegate self queue nil self scanForPeripherals void centralManager CBCentralManager central didDiscoverPeripheral CBPeripheral peripheral advertisementData NSDictionary advertisementData..

When would CBCentralManager's state ever be powered on but still give me a “not powered on” warning?

http://stackoverflow.com/questions/17118534/when-would-cbcentralmanagers-state-ever-be-powered-on-but-still-give-me-a-not

ios bluetooth core bluetooth cbcentralmanager share improve this question You have to initially wait until the centralManager gets the callback from centralManagerDidUpdateState when you're app boots up. Then every other time I recommend checking.. share improve this question You have to initially wait until the centralManager gets the callback from centralManagerDidUpdateState when you're app boots up. Then every other time I recommend checking the state prior to doing any centralManager.. when you're app boots up. Then every other time I recommend checking the state prior to doing any centralManager calls. You're most likely calling scan or retrieve before the central has had a chance to update. Ensure you only call methods..