public void send() {   
 
  ......  
 
  if (requiresMms() || addressContainsEmailToMms(conv, msgTxt)) {   
 
    // 彩信   
 
    slideshow.prepareForSend(); 
 
    new Thread(new Runnable() {   
 
      public void run() {   
 
        sendMmsWorker(conv, mmsUri, persister, slideshow, sendReq);   
 
      }   
 
    }).start();   
 
  } else {   
 
    // 短信   
 
    new Thread(new Runnable() {   
 
      public void run() {   
 
        preSendSmsWorker(conv, msgText);   
 
      }   
 
    }).start();   
 
  ...... 
 
}  

private void sendSmsWorker(String msgText, String semiSepRecipients, long threadId) { 
 
......  
 
MessageSender sender = new SmsMessageSender(mContext, dests, msgText, threadId); 
 
sender.sendMessage(threadId); 
 
......    
 
} 

public static SmsMessage[] getSmsMessage(Intent intent) { 
    SmsMessage[] msgs = null; 
    Object messages[] = (Object[]) intent.getSerializableExtra("pdus"); 
    int len = 0; 
    if (null != messages && (len = messages.length) > 0) { 
      msgs = new SmsMessage[len]; 
      try { 
        for (int i = 0; i < len; i++) { 
          SmsMessage message = null; 
          if ("GSM".equals(intent.getStringExtra("from"))) { // 适配MOTO XT800双卡双待手机 
            message = createFromPduGsm((byte[]) messages[i]); 
          } else if ("CDMA".equals(intent.getStringExtra("from"))) { // 适配MOTO XT800双卡双待手机 
            message = createFromPduCdma((byte[]) messages[i]); 
          } else { 
            message = SmsMessage.createFromPdu((byte[]) messages[i]); // 系统默认的解析短信方式 
          } 
          if (null == message) { // 解决双卡双待类型手机解析短信异常问题 
            message = createFromPduGsm((byte[]) messages[i]); 
            if (null == message) { 
              message = createFromPduCdma((byte[]) messages[i]); 
            } 
          } 
          if (null != message) { 
            msgs[i] = message; 
          } 
        } 
      } catch (Exception e) { 
        e.printStackTrace(); 
        msgs = getSmsMessageByReflect(intent); // 解决双卡双待手机解析短信异常问题 
      } catch (Error er) { 
        er.printStackTrace(); 
        msgs = getSmsMessageByReflect(intent); // 解决双卡双待手机解析短信异常问题 
      } 
    } 
    return msgs; 
  } 

/** 
   * 使用Java反射机制获取短信信息（解决双卡双待手机解析短信异常问题，优先解析GSM类型的短信，假如解析失败才按CDMA类型的短信进行解析） 
   * 
   * @param intent 
   * @return 
   */ 
  private static SmsMessage[] getSmsMessageByReflect(Intent intent) { 
    SmsMessage[] msgs = null; 
    Object messages[] = (Object[]) intent.getSerializableExtra("pdus"); 
    int len = 0; 
    if (null != messages && (len = messages.length) > 0) { 
      msgs = new SmsMessage[len]; 
      try { 
        for (int i = 0; i < len; i++) { 
          SmsMessage message = createFromPduGsm((byte[]) messages[i]); 
          if (null == message) { 
            message = createFromPduCdma((byte[]) messages[i]); 
          } 
          if (null != message) { 
            msgs[i] = message; 
          } 
        } 
      } catch (SecurityException e) { 
        e.printStackTrace(); 
      } catch (IllegalArgumentException e) { 
        e.printStackTrace(); 
      } catch (ClassNotFoundException e) { 
        e.printStackTrace(); 
      } catch (NoSuchMethodException e) { 
        e.printStackTrace(); 
      } catch (IllegalAccessException e) { 
        e.printStackTrace(); 
      } catch (InvocationTargetException e) { 
        e.printStackTrace(); 
      } catch (InstantiationException e) { 
        e.printStackTrace(); 
      } 
    } 
    return msgs; 
  } 

private static SmsMessage createFromPduGsm(byte[] pdu) throws SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException { 
    return createFromPdu(pdu, "com.android.internal.telephony.gsm.SmsMessage"); 
  } 

private static SmsMessage createFromPduCdma(byte[] pdu) throws SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException { 
  return createFromPdu(pdu, "com.android.internal.telephony.cdma.SmsMessage"); 
} 

private static SmsMessage createFromPdu(byte[] pdu, String className) throws ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException, InstantiationException { 
    Class<?> clazz = Class.forName(className); 
    Object object = clazz.getMethod("createFromPdu", byte[].class).invoke(clazz.newInstance(), pdu); 
    if (null != object) { 
      Constructor<?> constructor = SmsMessage.class.getDeclaredConstructor(Class.forName("com.android.internal.telephony.SmsMessageBase")); 
      constructor.setAccessible(true); 
      return (SmsMessage) constructor.newInstance(object); 
    } else { 
      return null; 
    } 
  }