connect method
connect let you connect to a bluetooth printer
Implementation
Future connect({Duration? timeout = const Duration(seconds: 5)}) async {
try {
if (Platform.isAndroid) {
Map<String, dynamic> params = {
"address": printer.address,
"isBle": false,
"autoConnect": true
};
await flutterPrinterChannel.invokeMethod('onStartConnection', params);
} else if (Platform.isIOS) {
Map<String, dynamic> params = {
"name": printer.name,
"address": printer.address
};
await iosChannel.invokeMethod('connect', params);
}
} catch (e) {
if ((e as dynamic).message == "already connected") {
await disconnect();
await connect();
} else
return Future.error(e.toString());
}
}