### opdracht 2 ###

### MainActivity.java ###

public class MainActivity extends AppCompatActivity {

    ...

    public static final String NAAM_MESSAGE = "naam_gebruiker";

    ...


    public void startSecondActivity (View view) {

        ...

//      Naam
        EditText editText = (EditText) findViewById(R.id.editText);
        String naam = editText.getText().toString();

        intent.putExtra(NAAM_MESSAGE, naam);

        ...

    }
}


### Main2Activity.java ###

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main2);

    ...

    String naam = intent.getStringExtra(MainActivity.NAAM_MESSAGE);
    
    ...

    textView.setText(aanhef + ' ' + naam );

}