start method
Implementation
@override
Future<IDCheckioResult> start(IDCheckioParams params) async {
try {
String json = await (methodChannel.invokeMethod('start', params.toJson()));
IDCheckioResult result = IDCheckioResult.fromJson(jsonDecode(json));
return result;
} on PlatformException catch (e) {
throw PlatformException(code: "CAPTURE_FAILED", message: e.message);
}
}