public class Info extends AppCompatActivity {
    EditText e_mail, age, group_size;
    Button next;
    static final String insertURL = "http://www.studenti.famnit.upr.si/~89161009/IGIPAN/insertUser.php";
    static final String insertGroupURL = "http://www.studenti.famnit.upr.si/~89161009/IGIPAN/insertGroupUser.php";
    String id_user;

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

        next = (Button) findViewById(R.id.next);

        e_mail = (EditText) findViewById(R.id.e_mail);
        age = (EditText) findViewById(R.id.age);
        group_size = (EditText) findViewById(R.id.group_size);
        Intent intent = getIntent();
        id_user = intent.getStringExtra("id");

        next.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                insertUser();
                Intent intent = new Intent(getApplicationContext(), LocationSearch.class);
                startActivity(intent);
            }
        });

    }
    public void insertUser() {
        RequestQueue requestQueue = Volley.newRequestQueue(getApplicationContext());
        StringRequest request = new StringRequest(Request.Method.POST, insertURL, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {

            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                VolleyLog.d("", "Error: " + error.getMessage());
                Toast.makeText(getApplicationContext(),
                        error.getMessage(), Toast.LENGTH_SHORT).show();

            }
        }) {
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> parametar = new HashMap<String, String>();
                parametar.put("id_user", id_user);
                parametar.put("age", String.valueOf(age.getText()));
                parametar.put("email", String.valueOf(e_mail.getText()));
                return parametar;

            }
        };
        requestQueue.add(request);
    }
}