Comments (6)
Try this:
componentDidMount() {
this.handleDiscoverPeripheral = this.handleDiscoverPeripheral.bind(this);
NativeAppEventEmitter.addListener(
'BleManagerDiscoverPeripheral',
this.handleDiscoverPeripheral
);
}
btnPress() {
BleManager.scan([], 5);
}
handleDiscoverPeripheral(data){
console.log(data);
}
from react-native-ble-manager.
That example would be awesome for documentation example
from react-native-ble-manager.
Hi, you have to scan for the peripherals and then use the id of the peripheral to connect.
from react-native-ble-manager.
So first I would call BleManage.scan()
and then connect
right? So will the scan()
method return a list of UUID or MAC addresses of active bluetooth devices?
from react-native-ble-manager.
First you have to handle BleManagerDiscoverPeripheral event, then start the scan and you receive the peripheral finded.
from react-native-ble-manager.
Hi Marco, I tried that. Does this code look right?
class bluetooth extends Component {
render() {
return (
<View style = { styles.container } >
<TouchableHighlight onPress = { this.btnPress }>
<Text>Bluetooth test</Text>
</TouchableHighlight>
</View>
);
}
btnPress() {
console.log(typeof BleManager === 'undefined');
console.log(DeviceEventEmitter.addListener());
DeviceEventEmitter.addListener('BleManagerDiscoverPeripheral', (args) => {
console.log(args)
BleManager.scan(args.id, 5)
.then(() => {
console.log('here');
})
});
}
}
The code for console.log(args)
does not seem to be called at all.
from react-native-ble-manager.
Related Issues (20)
- BluetoothGatt.writeDescriptor missing? HOT 4
- Bluetooth listerning to notified data issue HOT 2
- On devices with Android>12, BleManagerDiscoverPeripheral cannot be triggered HOT 3
- Calling scan method is causing infinite loop HOT 2
- permission is null HOT 1
- Is there any way to catch the exception error of peripherals[peripheralUUID] HOT 3
- iOS App crashing EXC_BAD_ACCESS (SIGSEGV) when connect multiple peripherals HOT 2
- Facing issue while accucheck guide(Glucometer) meter data conversion
- In ios Expo is not suppose? HOT 2
- How to clear cached BLE devices ? HOT 1
- writeWithoutrepose issue in iOS HOT 4
- Implement BleManager.disableBluetooth() ? HOT 1
- I have 7 sensors that use Bluetooth 5.2 and provide 70 readings per second. Therefore, with 7 sensors, I would have a total of 70 * 7 readings. I am considering using react-native-ble-manager. Is it worth using this package?
- How to retrieve data?
- Bluetooth BleManagerDidUpdateValueForCharacteristic event emits Service UUIDs and Characteristics UUIDs different between iOS and Android. HOT 3
- requestMTU never resolves HOT 1
- BLE manager library not supporting API level 34. HOT 8
- Hundreads of logs while scanning HOT 1
- Sometimes the scan doesn't find all devices
- Android not finding any devices during scan while phone location is turned off
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from react-native-ble-manager.