xml

<?xml version="1.0" encoding="utf-8"?>

<menu xmlns:app="http://schemas.android.com/apk/res-auto"

   xmlns:android="http://schemas.android.com/apk/res/android">

&lt;item android:id="@+id/refresh_page"
    android:title="Refresh"
    app:showAsAction="always" /&gt;



    

    




</menu>

 java

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        MenuInflater inflater = getMenuInflater();

        inflater.inflate(R.menu.menu, menu);

        return true;

    }

 java

    @Override

    public boolean onOptionsItemSelected(@NonNull MenuItem item) {

        switch (item.getItemId()) {

            case R.id.refresh_page:

                refreshPage();

                return true;

            default:

                return super.onOptionsItemSelected(item);

        }

    }