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This article mainly introduces how to send mail in the application development of iOS12 system, which has a certain reference value, and interested friends can refer to it. I hope you will gain a lot after reading this article.

Message sharing is an important way to apply socialization and marketing. In addition to developers to build their own proprietary news sharing channels, but also with the help of the system itself through a variety of channels. IOS provides three ways to share messages quickly, namely, sending emails, sending text messages and sharing data.

Send an email

Email is a more flexible way to share data. It can help users share the data of one application with other users, while other users can view the data online at any time without installing a specific application. In iOS, mail can be sent using the MFMailComposeViewController class. This class provides a standard interface for managing, editing, and sending e-mail, as shown in figure 3.1. This section explains the use of this class.

When the user taps the send button, the email message is added to the device's built-in e-mail box and finally sent.

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