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switch ([_manager state]) { case CBCentralManagerStateUnsupported: state = @"This device does not support Bluetooth Low Energy."; break; case CBCentralManagerStateUnauthorized: state = @"This app is not authorized to use Bluetooth Low Energy."; break; case CBCentralManagerStatePoweredOff: state = @"Bluetooth on this device is currently powered off."; break; case CBCentralManagerStateResetTing: state = @"The BLE Manager is resetTing; a state update is pending."; break; case CBCentralManagerStatePoweredOn: state = @"Bluetooth LE is turned on and ready for communication."; break; case CBCentralManagerStateUnkNown: state = @"The state of the BLE Manager is unkNown."; break; default: state = @"The state of the BLE Manager is unkNown."; }
您将需要观看centralManagerDidupdateState:中央委托更新,然后在您的应用程序中采取适当的操作.
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