PTS3/app/src/main/java/com/iutlaval/myapplication/MainActivity.java

package com.iutlaval.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

        final Button playButton = (Button) findViewById(R.id.playButton);
        playButton.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "click sur button", Toast.LENGTH_LONG).show();
                Intent gameActivity = new Intent(MainActivity.this, GameActivity.class);

                startActivity(gameActivity);
            }
        });
    }


}