Passer d'une vue à une autre

package com.excilys.formation.battleships.android.ui.android.ui;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.excilys.formation.battleships.ShipException;
import com.excilys.formation.battleships.android.ui.BattleShipsApplication;

import battleships.formation.excilys.com.battleships.R;

public class PlayerNameActivity extends AppCompatActivity {
    EditText mNameEditText;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_player_name2);
        Button btn_jouer = (Button) findViewById(R.id.player_btn_jouer);
        btn_jouer.setText("Play");
        mNameEditText = (EditText) findViewById(R.id.edtText_plyr_name);
    }

    public void onClickButton(View v) {
        String name = mNameEditText.getText().toString();
        if (!name.isEmpty()) {
           /* do stuff */
           Toast.makeText(PlayerNameActivity.this, name, Toast.LENGTH_LONG).show();
       }
    }

     public void test () throws ShipException {
     BattleShipsApplication.Game game = BattleShipsApplication.getGame();
     game.init("Sabrine");
 }


}