Register for SMS Notification

问题:

Can I register for SMS Notification through my application? All I want is to increase counter in my application when user is doing any SMS out of my application.

回答1:

The sandbox nature of apps on the iOS platform prevents you from seeing what the other apps are doing. You will need to track what you are setting up with your MFMessageComposeViewController as you are helping them prepare to send an SMS message. But you can't tell if they added other recipients or deleted the ones you set up originally.

You can use the delegate to find out if the message was successfully sent, cancelled, or failed.

You get the result in messageComposeViewController:didFinishWithResult:

回答2:

Nice try NSA!

Seriously though, SMS (text messaging), phone calls and e-mails are all "walled gardens" on the iPhone. This functionality belongs to the OS only, and there is little to no chance that Apple will ever open it up to developers. The other term thrown around is "sandbox" and these system level apps are in it.

Think about the potential consequences if every app could access your text's, e-mails and phone calls (even if it was just the meta-data). What kind of a world would it be when Candy Crush launched an alert the next time you played that said "We noticed you've been getting a lot of messages from Jennifer recently, would you like to invite her to play candy crush too?"