Recipe: E-mailing Pictures

The Message UI framework allows users to compose e-mail and text messages within applications. As with camera access and the image picker, first check whether a user’s device has been enabled for these services. A simple test allows you to determine when mail is enabled:

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[MFMailComposeViewController canSendMail]

When mail capabilities are enabled, users can send their photographs via instances of MFMailComposeViewController. Texts are sent through MFMessageComposeViewController instances.

Recipe 8-7 uses this composition class to create a new mail item populated with the user-snapped photograph. The mail composition controller works best as a modally presented client on both the iPhone ...

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