今天App写到了蓝牙重连的阶段,以前针对sdk 6.0写的代码,蓝牙设备的回复是通过

- (void)retrievePeripherals:(NSArray *)peripheralUUIDs

然后回调

 centralManager:didRetrievePeripherals:

函数来得到可以回复设备的Array。

在SDK7之后,- (void)retrievePeripherals:(NSArray *)peripheralUUIDs被废除了,取而代之的是

retrievePeripheralsWithIdentifiers: 

这个函数会Returns a list of known peripherals by their identifiers.

刚开始我还以为调用了这个函数,还要在回调函数中完成连接操作,后来才发现,SDK6.0中的回调函数就是返回a list of known peripherals by their identifiers. 而现在不用通过回调函数,retrievePeripheralsWithIdentifiers:的返回值就是 a list of known peripherals by their identifiers. 这样代码更简洁了,这要直接对这些外设直接进行连接操作就可以了。

简单代码如下:

var identiferArray = Array<NSUUID>()
identiferArray.append(peri.identifer)//将identider加入得到identiferArray
var knownPeripherals = myCentralManager!.retrievePeripheralsWithIdentifiers(identiferArray)
for p in knownPeripherals {
myCentralManager!.connectPeripheral(p, options: nil)
}
04-30 11:58