To check the internet connections on the android

CheckInternet.java

/*
    * @return boolean return true if the application can access the internet
    */
    private boolean haveInternet(){
        NetworkInfo info = ((ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
        if (info==null || !info.isConnected()) {
            return false;
        }
        if (info.isRoaming()) {
            // here is the roaming option you can change it if you want to disable internet while roaming, just return false
            return true;
        }
        return true;
    }