Send text, call, etc

First, call the system function

In iOS to open the system itself to call and text messaging function is relatively simple, before in the SSO also raised a mouth, iOS can be opened by an app another app, just a line of code, call, send text messages, email, open Web page is the same, just use the same protocol.

1. Call

This is still relatively simple, the following is the phone code:%@ is the mobile phone number self.myapplication is a singleton application.

2. Send SMS

Sending a text message is just a different protocol from the phone. You can make a call by changing the protocol.

3. Send Email

It's a change of protocol.

4. Open the URL

Send text, call, etc