안드로이드 eNB값 가져오기

eNB값 가져오기

java)

package com.ghj.enbex;
 
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.widget.TextView;
 
public class MainActivity extends AppCompatActivity {
 
    TextView txtEnb;
 
    //manager
    TelephonyManager telephonyManager;
    GsmCellLocation gsmCellLocation;
 
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        txtEnb = (TextView)findViewById(R.id.txtEnb);
 
        //manager
        telephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
 
        if(telephonyManager.getPhoneType()==TelephonyManager.PHONE_TYPE_GSM){
            gsmCellLocation = (GsmCellLocation)telephonyManager.getCellLocation();
            //리스너
            telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
        }
    }
 
    //리스너
    PhoneStateListener mPhoneStateListener = new PhoneStateListener(){
        @Override
        public void onSignalStrengthsChanged(SignalStrength signalStrength) {
            super.onSignalStrengthsChanged(signalStrength);
 
            //eNB
            if(gsmCellLocation!=null){
                int enb = getCellIDeNB();
                txtEnb.setText("eNB : "+enb);
            }
        }
    };
 
    //eNB
    public int getCellIDeNB(){
 
        //10진수 cid
        int cellid = gsmCellLocation.getCid();
 
        //16진수 cid
        String cellidHex = DecToHex(cellid);
 
        //16진수 eNB
        String eNBHex = cellidHex.substring(0, cellidHex.length()-2);
 
        //10진수 eNB
        int eNB = HexToDec(eNBHex);
        return eNB;
    }
 
    //10진수 -> 16진수
    public String DecToHex(int dec){
        return String.format("%x", dec);
    }
 
    //16진수 -> 10진수
    public int HexToDec(String hex){
        return Integer.parseInt(hex, 16);
    }
 
 
    @Override
    protected void onDestroy() {
        telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
        super.onDestroy();
    }
}
 

xml)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <TextView
        android:id="@+id/txtEnb"
        android:textSize="24dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
 
</LinearLayout>
 

AndroidManifest.xml)

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

결과