안드로이드 RSRP값 가져오기

RSRP값 가져오기

java)

package com.ghj.rsrpex2;
 
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.widget.TextView;
 
public class MainActivity extends AppCompatActivity {
 
    TextView txtRsrp;
 
    //manager
    TelephonyManager telephonyManager;
 
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        txtRsrp = (TextView)findViewById(R.id.txtRsrp);
 
        //manager
        telephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
        if(telephonyManager.getNetworkType()==TelephonyManager.NETWORK_TYPE_LTE){
            //리스너 등록
            telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
        }
    }
 
    //리스너
    PhoneStateListener mPhoneStateListener = new PhoneStateListener(){
        @Override
        public void onSignalStrengthsChanged(SignalStrength signalStrength) {
            super.onSignalStrengthsChanged(signalStrength);
 
            //RSRP (Reference Signal Received Power) - 단위 dBm (절대크기). - 단말에 수신되는 Reference Signal의 Power
            String strSignal = signalStrength.toString();
            Log.d("SignalStrength", strSignal);
 
            txtRsrp.setText("RSRP : "+GetLTE_RSRP(strSignal));
        }
    };
 
    //LTE RSRP 구하기
    public int GetLTE_RSRP(String signalStrength){
        String[] arrSignal = signalStrength.split(" ");
        int lteRSRP = 0;
        try{
            if(arrSignal.length>13){
                lteRSRP = Integer.parseInt(arrSignal[9]);
            }
        }catch (NumberFormatException e){
            e.printStackTrace();
        }
 
        return lteRSRP;
    }
 
 
    @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/txtRsrp"
        android:textSize="24dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
 
</LinearLayout>
 

결과