IOS 在App中发送SMS短信

//Import the MessageUI Framework into your project and//#import the header file into the “.h” file of your controller//where you want to open the In-App SMS sheet.-(IBAction)sendInAppSMS:(id) sender{    MFMessageComposeViewController*controller =        [[[MFMessageComposeViewControlleralloc] init] autorelease];    if([MFMessageComposeViewControllercanSendText])    {        controller.body= @"Hello from Mugunth";        controller.recipients= [NSArray arrayWithObjects:                @"12345678",@"87654321", nil];        controller.messageComposeDelegate= self;        [selfpresentModalViewController:controlleranimated:YES];    }}