Write Code Snippet to Retrieve IMEI Number of Android Phone ?

TelephonyManager class can be used to get the IMEI number. It provides access to information about the telephony services on the device.

       TelephonyManager mTelephonyMgr =     
      (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);

        String imei = mTelephonyMgr.getDeviceId();