问题
I know How to use MFMessageComposeViewController to compose message and forward the SMS and I want to send SMS in background without displaying message composer view. so If I click on button SMS will send in background without prompting to user.
There are 3rd party API's like Twilio, nexmo and tropo but i am not getting how to implement with those API's.
There is any other way to send SMS in background?
回答1:
Using the standard API's you can only send an SMS with user interaction.
回答2:
You can't send SMS or e-mail without user interaction unless there is any server interaction. If you really want to send SMS in background, send the content and reciepients to your server in background and from the server side you can send SMS to your receipients.
来源：https://stackoverflow.com/questions/24256578/ios-how-to-send-sms-in-background