why don’t use APNs. if server data is changed, you can send APNs to your app and then refresh your data on your phone. here is site that you can get helps. APNs Overview push-notifications-tutorial 1 solved How do I force an iOS app make a network call every second? [closed]
What you’re trying to develop already exists for many years, and with multiple implementations: Wireshark TCPDump. Both applications can write the packets in the PCAP format. Bear in mind that these applications require root access and privileges as they ask the kernel to fork the incoming packets to your application. 6 solved What is needed … Read more
You cannot have any strictly ANSI compatible event loop on Linux, because the purpose of an event loop is to multiplex cleverly several inputs; on Linux to do that multiplexing, you have to call some syscalls like poll(2), pselect(2) or friends, and all these syscalls are not standardized in ANSI C (or ISO C99, or … Read more
For 16 bits, there are 216 = 65,536 possible settings. Each setting of bits can represent at most one value. So 16 bits of data can represent only 65,536 values. 32 bits have 232 = 4,294,967,296 possible settings. If your 32-bit data uses more than 65,536 of the possible values that could be represented, it … Read more
The term keep-alive means different things in the two contexts. The net/http Transport documentation uses the term to refer to persistent connections. A keep-alive or persistent connection is a connection that can be used for more than one HTTP transaction. The Transport.IdleConnTimeout field specifies how long the transport keeps an unused connection in the pool … Read more
Here is an Example:- On your oncreate method do this txtMessage = (TextView) findViewById(R.id.txt_push_message); new task().execute(); class task extends AsyncTask<String, String,String>{ @Override protected void onPostExecute(String s) { super.onPostExecute(s); txtMessage.setText(“Hi there”); } @Override protected String doInBackground(String… params) { //Do something related to get the data and return that //Return the proper value return null; } } … Read more