My Sms app does not save the sms to the device even though I already set it as the default messaging. I need to support android pre-kitkat so I did a bit researching and had
The default SMS app is responsible for writing all incoming messages to the Provider. Even though you've implemented a Receiver for your app to read the message from the SMS_RECEIVED
broadcast, you still need to actually write the message to the Provider. For example:
ContentValues values = new ContentValues();
values.put(Sms.ADDRESS, address);
values.put(Sms.BODY, smsBody);
context.getContentResolver().insert(Sms.CONTENT_URI, values);