static Task InvokeAction(object action, object[] args)
{
MethodInfo invokeMethod = action.GetType().GetMethod("Invoke");
ParameterInfo[] invokeMethodParms = invokeMethod.GetParameters();
//the JS args should be aligned with invokeMethodParms.Length - how to make default values?
if (args.Length != invokeMethodParms.Length)
{
throw new IndexOutOfRangeException("JS parameters count doesn't equal WASM version.");
}
for (int a = 0; a < args.Length; a++)
{
object arg = args[a];
Type parmType = invokeMethodParms[a].ParameterType;
if ((typeof(EventArgs).IsAssignableFrom(parmType)) && (arg is NativeJsObject njo))
{
args[a] = new NativeEventArgs(EventArgs.Empty, njo);
}
else if (parmType != typeof(object))
{
args[a] = Convert.ChangeType(arg, parmType);
}
}
invokeMethod.Invoke(action, args);
return(Task.CompletedTask);
}
void OnNameChangedEvent(NativeEventArgs args)
{
Toast.MakeText(
this,
$"Hi {args.Message}, from Android",
ToastLength.Long
).Show();
}
private void OnNameChangedEvent(NativeEventArgs args)
{
var alertView = new UIAlertView {
Title = "Native Alert",
Message = $"Hi {args.Message}, from iOS"
};
alertView.AddButton("OK");
alertView.Show();
}
private async void OnNativeEvent(NativeEventArgs args)
{
var msg = new MessageDialog($"Hi {args.Message}, from Windows");
await msg.ShowAsync();
}
private void OnNameChangedEvent(NativeEventArgs args)
{
Toast.MakeText(this, args.Message, ToastLength.Long).Show();
}
