【代碼筆記】簡訊分享

代碼：

ViewController.h

#import <UIKit/UIKit.h>
//簡訊分享
#import <MessageUI/MFMailComposeViewController.h>
#import <MessageUI/MFMessageComposeViewController.h>

@interface ViewController : UIViewController<MFMessageComposeViewControllerDelegate>


@end

ViewController.m

#import "ViewController.h"


@interface ViewController ()

@end


@implementation ViewController


- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}
//點擊任何處，簡訊分享
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
  
    //調用系統發送信息功能
    BOOL canSendSMS = [MFMessageComposeViewController canSendText];
    if (canSendSMS) {
        
        MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];
        picker.messageComposeDelegate = self;
        
        NSArray *array = [[NSArray alloc] initWithObjects:nil];
        picker.recipients=array;
        picker.view.frame=CGRectMake(0, 0, 320, 640);
        [self presentViewController:picker animated:YES completion:nil];
        
    }else{
        UIAlertView*alert = [[UIAlertView alloc]initWithTitle:@""
                                                      message:@"當前設備不支持簡訊功能"
                                                     delegate:nil
                                            cancelButtonTitle:@"確定"
                                            otherButtonTitles:nil];
        [alert show];
    }

}
#pragma -mark -系統消息回調
//系統發送信息的回調函數
-(void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result{
    
    //[self dismissModalViewControllerAnimated:YES];
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}