ios - 如何检测我的苹果设备是否支持低功耗蓝牙

Question

是否有 API 可让我判断运行我的应用程序的 Apple 设备 (iPad/iPod/iPhone) 是否支持低功耗蓝牙 (BTLE)。

Answer 1

假设您有一个 iOS5 或 iOS6 设备并且您有一个 CBCentralManager 对象，您可以使用以下方法检查它的 CBCentralManagerState:

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.";

}

您还需要监视 centralManagerDidUpdateState:central 委托(delegate)更新，然后在您的应用中采取适当的操作。