MainActivity

package com.example.mael.servicedistanttest;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telecom.ConnectionService;
import android.util.Log;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    DistantService monServiceConnecte;

    private ServiceConnection mConnection = new ServiceConnection() {
        @Override
        public void onServiceDisconnected(ComponentName name) {
            monServiceConnecte = null;
        }
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            DistantService.distantBinder binder = (DistantService.distantBinder) service;
            monServiceConnecte = binder.getDistantService();
            Log.d("ServiceConnection"," "+monServiceConnecte.getValeur());
            Log.d("ServiceConnection","monServiceConnecte");
        }
    };

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

    }

    @Override
    protected void onStart() {
        super.onStart();
        Intent intent = new Intent(this, DistantService.class);
        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
        if (monServiceConnecte != null) Toast.makeText(this, monServiceConnecte.getValeur(), Toast.LENGTH_LONG).show();
        if (monServiceConnecte == null) Toast.makeText(this, "null", Toast.LENGTH_LONG).show();

    }

}