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//從textFieldf取得號碼
NSString *sms = textField.text;
//重新格式化sms為UTF8
sms = [sms stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];
NSString *urlString = [NSString stringWithFormat:@"sms:%@", sms];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
要注意在開啟訊息應用程式時,並不能像開啟電子郵件應用程式般帶入 body 參數來設定內文的部份。
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