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(iOS) startScanning() not working #267
Description
Hi,
I'm facing an issue that I can't explain when trying to get info on a BLE device. StartScanning() seems to not doing anything only on iOS. On Android, everything works as expected.
Here's my method and on iOS, nothing comes from onDiscovered :
bleRoutine(){
try{
let self = this;
this.bluetooth.startScanning({
//filters: [{serviceUUID:'00001000-0000-1000-8000-00805f9b34fb'}],
seconds: 3,
avoidDuplicates: true,
onDiscovered: function (peripheral) {
if(peripheral.name == "T201"){
let dataView = new DataView(peripheral.advertismentData.manufacturerData);
}
}
}).then(function() {
//console.log("scanning complete");
//if(!self.bleStop) self.bleRoutine();
// self.connectToDevice();
//self.bleConnections();
}, function (err) {
//console.log("error while scanning: " + err);
});
}catch(e){
console.log("ble catch");
console.log(e);
}
}
Here's what I added in my Info.plist :
<key>NSBluetoothAlwaysUsageDescription</key>
<string>Our app uses bluetooth to find, connect and transfer data between different devices</string>
<key>NSBluetoothPeripheralUsageDescription</key>
<string> Our app uses bluetooth to find, connect and transfer data between different devices</string>
<key>NSLocationWhenInUseUsageDescription</key>
<string> Our app uses location</string>
I also checked Uses Bluetooth LE accessory in Background Modes in Xcode.
I also have a bluetooth message when I start the app as expected. I am in native script version 8.1.4 and "@nativescript-community/ble": "^3.1.15"
Am I missing something ? (maybe something obvious that doesn't ring a bell in my head)
Activity
farfromrefug commentedon Feb 27, 2023
@raphcibo1 did you ask for location permission at runtime? it is needed to be able to scan
also did you add a simple console.log in
onDiscoveredto see if it sees something?NathanWalker commentedon May 7, 2023
Another thing to check here is the name adding spaces from the device, for example this conditional:
may be causing you to think no devices are received - it's common the bluetooth device names may have leading or trailing spaces, eg:
"T201 "