SignalStrengthListener

gistfile1.txt

    protected class SignalStrengthListener extends PhoneStateListener{

        int signalDBB = 0;

        @Override
        public void onSignalStrengthsChanged(SignalStrength signalStrength) {

            telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
            stringSignalStrength = signalStrength.toString();
            parts = stringSignalStrength.split(" ");

            if(checkPermission()){
                try{
                    cellInfoList = telephonyManager.getAllCellInfo();
                    for(CellInfo cellInfo :cellInfoList){
                        if(cellInfo instanceof CellInfoLte) {
                            cellSignalStrength = ((CellInfoLte) cellInfo).getCellSignalStrength();
                            signalDBB = cellSignalStrength.getDbm();

                        }
                    }
                }catch(Exception ioe){
                    ioe.printStackTrace();
                }
            }
            super.onSignalStrengthsChanged(signalStrength);
        }
    }