// SettingsActivity.java // Activity to display SettingsActivityFragment on a phone package eu.geopaparazzi.core.ui.activities; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import eu.geopaparazzi.core.R; public class SettingsActivity extends AppCompatActivity { // inflates the GUI, displays Toolbar and adds "up" button @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_settings); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); getSupportActionBar().setDisplayHomeAsUpEnabled(true); } }