Compartir texto

-(void) compartirTexto: (NSString *) textoAEnviar {
    
    UIActivityViewController *activityViewController =
    [[UIActivityViewController alloc] initWithActivityItems:@[textoAEnviar]
                                      applicationActivities:nil];
    [self.navigationController presentViewController:activityViewController
                                       animated:YES
                                     completion:^{
                                         
                                     }];
    
}