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Sending SMS without Intent on android issue

I'm trying to send SMS in the background of android phone . I'm using this code along with the manifiest permessions :
private void sendSMS(String phoneNumber, String message)
{
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, null, null);
}
sendSMS(number, text);
Now the issue I have is when I try to send for a regular number (05239652203) for example it works perfetly , but when I try to send for a short number (5555) for example a pop up shows and says "This is application is trying to send SMS message click Confirm or cancel" something like that . Due to the nature of my application It requires sending the SMS in the background (I'm trying to develop an application that helps the phone owener to trace the phone if it was stolen) . So is there's any way to turn around this issue ?? and thanks in advance

Prevent sms from going to outbox

I am making an app that sends an SMS programmatically.
I don't want it to pop up in the built in SMS app.
Incoming SMS doesn't matter for now.
Is there a way to prevent an sms from going to the 'outbox'?
This is how I send:
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI);

After KitKat, no. See the post here: http://android-developers.blogspot.com/2013/10/getting-your-sms-apps-ready-for-kitkat.html
Before KitKat, it won't go to the "Outbox" so it isn't an issue.
You can try a third-party solution like www.superdupersms.com (that's the only one I know of, and I'm a part of the development team).

Sending SMS on phone start in android

I am developing an android app where I need to send the SMS at the phone boot. I have registered receiverfor android.permission.RECEIVE_BOOT_COMPLETED and DEVICE_BOOT_COMPLETED.
My application receives above events when phone is started. However it is not sending any SMS.
I am calling following function to send SMS. It does not show any error but fails to send any SMS. I am using KitKat version. Please help.
public static void sendMessageString phonenumber,String message)
{
SmsManager manager = SmsManager.getDefault();
manager.sendTextMessage(phonenumber, null, message, null, null);
}
Please help.

Using the native sms app to send an sms without launching itself

I want to send an SMS, but not using the SmsManager class. I want to do it with the native SMS app which is there on an Android phone.
And here is the twist : I do NOT want to launch the native app while doing it. Is there some format of intent which can send an sms directly (given the sms-body and the phone number to send it to) via the native app (without the user having to click 'send').
I googled the same, but all results and responses simply launched the native sms, waiting for user to manually send the SMS. I have seen this being implemented in some apps like 'MightyText' and wish to implement in my app as well.
Please help !

Using the SmsManager will send the sms through the system but will not put it in the SMS content provider as was mentioned earlier. Hence any native messaging app will not see it.
To do so, you have to add it manually via the SMS content provider AFTER you send the message normally via SmsManager. Here's some sample code to help:
ContentValues values = new ContentValues();
values.put("address", "+12345678"); // phone number to send
values.put("date", System.currentTimeMillis()+"");
values.put("read", "1"); // if you want to mark is as unread set to 0
values.put("type", "2"); // 2 means sent message
values.put("body", "This is my message!");
Uri uri = Uri.parse("content://sms/");
Uri rowUri = context.getContentResolver().insert(uri,values);
And that's all. After that you'll notice that it's added and the native messaging app displays it normally.
Please click "accept" answer if it works out for you.

Ok, so you want to send a SMS, without using SmsManager and plus it should show up in your native SMS app list?
Firstly, you cannot send SMS bypassing SmsManager. If you look at the source code of all native messaging app for Samsung Galaxy Nexus, it will invoke SmsManager on button click.
so, the below piece of code as posted above is correct
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, null, null);
Secondly, after sending the message, native apps put it into into SMS ContentProvider
follow this How to save SMS to inbox in android?
Word of caution is that now adding to this is not supported. So you may have to resort to a hack to add it into the sent box.

If you only have ACTION_SENDTO, then, of course, any application that can send will pop up.
You need to add a filter for SMS
with URL. See https://stackoverflow.com/a/2372665/94363
or with content type https://stackoverflow.com/a/10613013/94363

I have done something similar in a project I was working on. You need to use SmsManager
It would be something like this -
SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage(phoneNumber, null, message, null, null);
You can use this to send an SMS programatically.

Try this:
String phoneNo = textPhoneNo.getText().toString();
String sms = textSMS.getText().toString();
try {
SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage(phoneNo, null, sms, null, null);
Toast.makeText(getApplicationContext(), "SMS Sent!",
Toast.LENGTH_LONG).show();
} catch (Exception e) {
Toast.makeText(getApplicationContext(),
"SMS faild, please try again later!",
Toast.LENGTH_LONG).show();
e.printStackTrace();
}

Android programming auto sms

I have an application which sends an auto SMS when I receive an SMS, or missed cal etc. So, if the same application is there in the opposite person's phone, then the the process of sending SMS continues, which should not happen. How to avoid this?
In fact, how to detect an SMS, which is sent by user or auto replied?
Please try to explain programmatically as clearly as possible..

SmsManager sm = SmsManager.getDefault();
sm.sendTextMessage(phoneno, null,"sam", null, null);