Ios Bluetooth enable judgment

Ios Bluetooth enable judgment

1. Add CoreBluetooth. framework

2. Introduce the. m file in the program

# Import

3. Implementation Protocol

CBPeripheralManagerDelegate,

4. Add attributes:

@ Property (nonatomic, strong) CBPeripheralManager * manager;

5. Add the following code to the viewDidLoad method.

 

Self. manager = [[CBPeripheralManager alloc] initWithDelegate: self queue: nil];

6. Implement proxy methods:

-(Void) peripheralManagerDidUpdateState :( CBPeripheralManager *) peripheral {

Switch (peripheral. state ){

Case CBPeripheralManagerStatePoweredOn:

{

NSLog (@ Bluetooth enabled and available );

}

Break;

Default:

NSLog (@ Bluetooth unavailable );

Break;

}

}