Android短信收發

    /** 
     * 發送短信 
     * @param friend_num 
     * @param smsMsg 
     */  
    private void sendSMS(String friend_num, String smsMsg) {  

        String SENT_SMS_ACTION = "SENT_SMS_ACTION";  
        Intent sentIntent = new Intent(SENT_SMS_ACTION);  
        PendingIntent sentPI = PendingIntent.getBroadcast(this, 0,  
                sentIntent, 0);  
        // register the Broadcast Receivers  
        this.registerReceiver(new BroadcastReceiver() {  
            @Override  
            public void onReceive(Context _context, Intent _intent) {  
                switch (getResultCode()) {  
                case Activity.RESULT_OK:  
                    //Toast.makeText(this, "短信發送成功", Toast.LENGTH_SHORT)  
                    //      .show();  

                    break;  
                case SmsManager.RESULT_ERROR_GENERIC_FAILURE:  
                    break;  
                case SmsManager.RESULT_ERROR_RADIO_OFF:  
                    break;  
                case SmsManager.RESULT_ERROR_NULL_PDU:  
                    break;  
                }  
            }  
        }, new IntentFilter(SENT_SMS_ACTION));  

        String DELIVERED_SMS_ACTION = "DELIVERED_SMS_ACTION";  
        // create the deilverIntent parameter  
        Intent deliverIntent = new Intent(DELIVERED_SMS_ACTION);  
        PendingIntent deliverPI = PendingIntent.getBroadcast(this, 0,  
                deliverIntent, 0);  
        this.registerReceiver(new BroadcastReceiver() {  
            @Override  
            public void onReceive(Context _context, Intent _intent) {  
                //Toast.makeText(this, "收信人已經成功接收", Toast.LENGTH_SHORT).show();  
            }  
        }, new IntentFilter(DELIVERED_SMS_ACTION));  

        // 直接調用短信接口發短信  
        SmsManager smsManager = SmsManager.getDefault();  
        List<String> divideContents = smsManager.divideMessage(smsMsg);  
        //可能短信的內容過長，可以自動分兩封發，如果信息中包含一些連貫的東西，還是手動拆分比較好  
        for (String text : divideContents) {  
            smsManager.sendTextMessage(friend_num, null, text, sentPI,  
                    deliverPI);  
        }  

    }