IOS程式內發簡訊 MFMessageComposeViewController

文章轉載地址：http://www.headsky.org/?p=63

iOS4.0新加入了MFMessageComposeViewController和MFMessageComposeViewControllerDelegate,提供了傳送簡訊的介面,可以像發送郵件那樣不用跳出程式來傳送簡訊. 介紹可參閱Message UI
Framework Reference

一些筆記:

MFMessageComposeViewController

• 提供了操作介面
• 使用前必須檢查canSendText方法,若返回NO則不應將這個controller展現出來,而應該提示使用者不支援傳送簡訊功能.
• 介面不能自行定製
• 要發送的簡訊的內容(body)和收件者(recipients)在展現這個controller前需初始化好,展現了之後簡訊內容不能通過程式來進行修改.不過使用者仍然可以手工修改簡訊內容和選擇收件者
• 使用者點了發送或者取消,或者發送失敗時,MFMessageComposeViewControllerDelegate 的– messageComposeViewController:didFinishWithResult:方法都能得到通知,在這裡進行相應的處理

若在iOS3.0上啟動並執行話,會提示dyld: Symbol not found: _OBJC_CLASS_$_MFMessageComposeViewController .解決方案:

1. MessageUI.framework的引入類型應選擇weak(在target -> Get Info -> General -> Linked Libraries -> MessageUI.framework -> Type 裡修改)
2. 不要在.h檔案裡直接import MessageUI/MFMessageComposeViewController.h,改為import <MessageUI/MessageUI.h>

#pragma mark -#pragma mark SMS-(IBAction)showSMSPicker:(id)sender {   //    The MFMessageComposeViewController class is only available in iPhone OS 4.0 or later.   //    So, we must verify the existence of the above class and log an error message for devices   //        running earlier versions of the iPhone OS. Set feedbackMsg if device doesn’t support   //        MFMessageComposeViewController API.   Class messageClass = (NSClassFromString(@”MFMessageComposeViewController”));   if (messageClass != nil) {       // Check whether the current device is configured for sending SMS messages       if ([messageClass canSendText]) {           [self displaySMSComposerSheet];       }       else {           [UIAlertView quickAlertWithTitle:@"裝置沒有簡訊功能" messageTitle:nil dismissTitle:@"關閉"];       }   }   else {       [UIAlertView quickAlertWithTitle:@"iOS版本過低,iOS4.0以上才支援程式內傳送簡訊" messageTitle:nil dismissTitle:@"關閉"];   }}-(void)displaySMSComposerSheet{   MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];   picker.messageComposeDelegate = self;   NSMutableString* absUrl = [[NSMutableString alloc] initWithString:web.request.URL.absoluteString];   [absUrl replaceOccurrencesOfString:@"http://i.aizheke.com" withString:@"http://m.aizheke.com" options:NSCaseInsensitiveSearch range:NSMakeRange(0, [absUrl length])];   picker.body=[NSString stringWithFormat:@"我在愛折客上看到：%@ 可能對你有用，推薦給你！link：%@"                                       ,[web stringByEvaluatingJavaScriptFromString:@"document.title"]                                       ,absUrl];   [absUrl release];   [self presentModalViewController:picker animated:YES];   [picker release];}- (void)messageComposeViewController:(MFMessageComposeViewController *)controller                didFinishWithResult:(MessageComposeResult)result {   switch (result)   {       case MessageComposeResultCancelled:           LOG_EXPR(@”Result: SMS sending canceled”);           break;       case MessageComposeResultSent:           LOG_EXPR(@”Result: SMS sent”);           break;       case MessageComposeResultFailed:           [UIAlertView quickAlertWithTitle:@"簡訊發送失敗" messageTitle:nil dismissTitle:@"關閉"];           break;       default:           LOG_EXPR(@”Result: SMS not sent”);           break;   }   [self dismissModalViewControllerAnimated:YES];}