How to cancel a message sent in gmail throughError from Android phone through this new option

A few days before the application has been updatedGmail now allows to send messages in a series of Android-based phone, Google also added the option to cancel message sent in Gmail from your mobile phone.In this way, we can cancel a message sent byError if the raft we sent.To cancel the message sent in Gmail throughError on Android phone, the first thing we need to do is open the applicationGmail on your mobile phone, click on the pencil icon to open the new message window.If we for some reason by clickingSubmit button and not done yet write or attach files, we will have a few seconds after clicking on the button to cancel the message.Simply prepare and send the message to the recipient or recipients, we can to undo or send them by just clicking on the new option as the picture: 

If we saw this option before it disappears, because it will be displayed by default for us for 10 seconds will cancel the message we sent just won’t make a My recipients.Once you press the Undo button, we see on the left hand side text Undoing., Which indicates that we have pressed on time and it is clear the email sender.