Android : Sending the form data to the remote server after getting internet connection in android

i am new to android appplication.I have a requirement that after filling the form data , it should go and save in the remote database server if having the internet connection in the device. If the device not having the internet connection, device will store all data in it. then after getting the internet connection, the data will go automatically to the remote server.I know for getting internet connection , i need Broadcast Receiver..I can't know how to achieve this functionality by using BroadcastReceiver....Please help me with the codes.....