ProfileActivity.java

package bg.mentormate.academy.radarapp.activities;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.MenuItem;

import bg.mentormate.academy.radarapp.R;
import bg.mentormate.academy.radarapp.fragments.ProfileFragment;

public class ProfileActivity extends ActionBarActivity {

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

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        if (savedInstanceState == null) {
            ProfileFragment profileFragment = new ProfileFragment();
            profileFragment.setArguments(getIntent().getExtras());

            getSupportFragmentManager().beginTransaction()
                    .add(R.id.container, profileFragment)
                    .commit();
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        switch (id) {
            case android.R.id.home:
                finish();
                break;
        }

        return super.onOptionsItemSelected(item);
    }
}