エミュレータの電話の状態をモニタリングできない

エミュレータの電話の状態をモニタリングするプログラムを作成しましたが
エミュレータの電話を押下してもモニタリングできませんでした。
原因を教えていただけないでしょうか？

android studio 4.0.1
■エミュレータ：
avd Pie Android 9.0 X86

■作成したソース
MainActivity.java

package com.example.sample;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.telephony.PhoneStateListener;
import com.example.sample.PhoneStateReceiver;
import com.mkyong.android.R;

public class MainActivity extends Activity{
TelephonyManager manager;
PhoneStateReceiver.PhoneReceiver myPhoneStateListener;

@Override
public void onCreate(Bundle savedInstanceState){
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    myPhoneStateListener = new PhoneStateReceiver.PhoneReceiver(this);
    manager = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
    manager.listen(myPhoneStateListener,PhoneStateListener.LISTEN_DATA_CONNECTION_STATE);
}

@Override
public void onResume(){
    super.onResume();
    manager.listen(myPhoneStateListener,PhoneStateListener.LISTEN_CALL_STATE);
}

@Override
public void onPause(){
    super.onPause();
    manager.listen(myPhoneStateListener,PhoneStateListener.LISTEN_NONE);
}

}

PhoneStateReceiver.java

package com.example.sample;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.widget.Toast;

public class PhoneStateReceiver extends BroadcastReceiver{
TelephonyManager manager;
PhoneReceiver myPhoneStateListener;
static boolean alreadyListening = false;

@Override
public void onReceive(Context context, Intent intent){
    myPhoneStateListener = new PhoneReceiver(context);
    manager = ((TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE));

//---do not add the listener more than once---
    if (!alreadyListening){
        manager.listen(myPhoneStateListener,
                    PhoneStateListener.LISTEN_CALL_STATE);
        alreadyListening = true;
    }
}

public static class PhoneReceiver extends PhoneStateListener{
    Context context;

    public PhoneReceiver(Context context){
        this.context = context;
    }

    @Override
    public void onCallStateChanged(int state, String incommingNumber){
        super.onCallStateChanged(state, incommingNumber);

        switch(state){
            case TelephonyManager.CALL_STATE_IDLE:
                Toast.makeText(context, "idle", Toast.LENGTH_LONG).show();
                break;
            case TelephonyManager.CALL_STATE_RINGING:
                Toast.makeText(context, "Ringing: " + incommingNumber,Toast.LENGTH_LONG).show();
                break;
            case TelephonyManager.CALL_STATE_OFFHOOK:
                Toast.makeText(context, "Offhook", Toast.LENGTH_LONG).show();
                break;
        }
    }

    @Override
    public void onDataConnectionStateChanged(int State) {
        super.onDataConnectionStateChanged(State);

        switch(State){
            case TelephonyManager.CALL_STATE_IDLE:
                Toast.makeText(context, "idle", Toast.LENGTH_LONG).show();
                break;
            case TelephonyManager.CALL_STATE_RINGING:
                Toast.makeText(context, "Ringing",Toast.LENGTH_LONG).show();
                break;
            case TelephonyManager.CALL_STATE_OFFHOOK:
                Toast.makeText(context, "Offhook", Toast.LENGTH_LONG).show();
                break;
        }
    }
}

}