"undefined" to Attempts to connect to a peripheral about react-native-ble-manager HOT 3 CLOSED

Hi, before connect you have to wait the scan has found the peripheral.
Il giorno mar 21 giu 2016 alle 04:21 Xtian [email protected] ha
scritto:

[image: screen shot 2016-06-21 at 10 19 29 am]
https://cloud.githubusercontent.com/assets/13525454/16216000/cdfd0634-3799-11e6-967b-2fca2df17fbb.png
this is my code, please help me. thanks

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from react-native-ble-manager.

You have to subscribe to the BleManagerDiscoverPeripheral event, and inside it you will be able to connect to the device you want (you still have to scan though) :

Example :

      BleManager.scan([],60)
            .then(() => {
                console.log('scan started');
            })
            .catch((error) => {
                console.log("error scan : " + error);
            });
       NativeAppEventEmitter.addListener('BleManagerDiscoverPeripheral', (args) => {
           // Connect to your device here
       });

from react-native-ble-manager.

I tried the above code, and I still cannot connect to my MAC from my iPhone. This is the code

 btnPress() {
    BleManager.scan([], 60)
    .then(() => {
        console.log('scan started');
    });

    DeviceEventEmitter.addListener('BleManagerDiscoverPeripheral', (args) => {
        console.log(args);
        BleManager.connect('<uuid>')
        .then(() => {  
            console.log('success')
        })
        .catch((error) => {
            console.log(error);
        });
    })
  }

I do not even get any output from the console.log(args)

from react-native-ble-manager.