<uses-permission android:name="android.permission.INTERNET" />

Runtime runtime = Runtime.getRuntime();
        try {
            Process mIpAddrProcess = runtime.exec("/system/bin/ping -w 2 8.8.8.8");
            mExitValue = mIpAddrProcess.waitFor();
            BufferedReader reader = new BufferedReader(new InputStreamReader(mIpAddrProcess.getInputStream()));
            int i;
            char[] buffer = new char[4096];
            StringBuffer output = new StringBuffer();
            while ((i = reader.read(buffer)) > 0)
                output.append(buffer, 0, i);
            reader.close();
            String str = output.toString();
            if (mExitValue == 0)
            {
                Toast.makeText(getApplicationContext(),"Connection ok"+ str, Toast.LENGTH_SHORT).show();

            } else
            {

                Toast.makeText(getApplicationContext(), "Please Check Your Internet Connection"+str, Toast.LENGTH_SHORT).show();
                //new Description().execute();
            }
        }