main

package com.example.goncalo.animaltracker;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.HashMap;
import java.util.Map;

public class MainActivity extends AppCompatActivity {
    EditText username;
    EditText password;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }

    public void buttonLogin(View v) {

        String url = "https://luiscm.000webhostapp.com/login.php";
        JSONObject jsonBody = new JSONObject();

        StringRequest stringRequest = new StringRequest(Request.Method.POST, url, new Response.Listener<String>(){
            @Override
            public void onResponse(String response){
                try{
                    JSONObject jsonoutput = new JSONObject(response);
                    Toast.makeText(MainActivity.this, jsonoutput.getString(Utils.param_status).toString() + jsonoutput.getString(Utils.param_id_user).toString() + jsonoutput.getString(Utils.param_id).toString() + jsonoutput.getString(Utils.param_nome).toString(), Toast.LENGTH_SHORT).show();
                } catch(JSONException ex){

                }
            }
        }, new Response.ErrorListener(){
            @Override
            public void onErrorResponse(VolleyError error){
                Toast.makeText(MainActivity.this, error.getMessage(), Toast.LENGTH_SHORT).show();
            }
        }){
            @Override
            protected Map<String,String> getParams(){
                username = (EditText) findViewById(R.id.edituser);
                password = (EditText) findViewById(R.id.edit2);

                String username1 = username.getText().toString();
                String password1 = password.getText().toString();

                Map<String,String> params = new HashMap<>();
                params.put("username",username1);
                params.put("password",password1);
                return params;
            }

            @Override
            public Map<String, String> getHeaders() throws AuthFailureError{
                Map<String,String> params = new HashMap<>();
                params.put("Content-type","application/x-www-form-urlencoded");
                return params;
            }
        };

        MySingleton.getInstance(this).addToRequestQueue(stringRequest);


    }


    public void buttonRegistar(View v){
        Intent i = new Intent (MainActivity.this, RegistarActivity.class);
        startActivity(i);
    }
}