Call Blocking(Rejected) without touching mobile

with the help of

import android.telephony.SmsManager;
import android.telephony.TelephonyManager;

You can reject the phone call during your application runs. for example you play the game in your android device and you want that no one disturb you in your game by call then you can use the code to stop the incoming call. After played game you can check how may people call you also. if you want code then mail me on my email address