WebService_ConnectionSample_2.0

package net.dusktech.com.webservicetest;

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

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

public class MainActivity extends AppCompatActivity {

    private String TAG = MainActivity.class.getSimpleName();

    private TextView mTextView;
    private EditText mEditText1, mEditText2;
    private Button mButton;

    private String cod = "";

    String user = "";
    String pass= "";

    String url = "";

    //private String url = "https://3750f418.ngrok.io/192.168.11.213:8181/api/informacion/usuario/login?usuario=chriscastro&clave=0940420409";

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

        mTextView = findViewById(R.id.textview);
        mEditText1 = findViewById(R.id.editText1);
        mEditText2 = findViewById(R.id.editText2);
        mButton = findViewById(R.id.button);

        mButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                user = mEditText1.getText().toString();
                pass = mEditText2.getText().toString();

                url = "https://3750f418.ngrok.io/192.168.11.213:8181/api/informacion/usuario/login?usuario=" + user + "&clave=" + pass;//chriscastro&clave=0940420409";

                new GetContacts().execute();
            }
        });


        //new GetContacts().execute();

    }

    public class GetContacts extends AsyncTask<Void, Void, Void> {

        @Override
        protected Void doInBackground(Void... arg0) {
            HttpHandler sh = new HttpHandler();

            String jsonStr = sh.makeServiceCall(url);

            Log.e(TAG, "Response from url: " + jsonStr);


            if (jsonStr != null) {
                try {

                    JSONObject jsonObj = new JSONObject(jsonStr);

                    //System.out.println("++++++++++++++++++++++" + url);


                    //cod = jsonObj.getString("cod_usuario");
                    cod = jsonObj.getString("cod_usuario");


                } catch (final JSONException e) {
                    Log.e(TAG, "Json parsing error: " + e.getMessage());
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(getApplicationContext(),
                                    "Json parsing error: " + e.getMessage(),
                                    Toast.LENGTH_LONG)
                                    .show();
                        }
                    });

                }
            } else {
                Log.e(TAG, "Couldn't get json from server.");
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(getApplicationContext(),
                                "Couldn't get json from server. Check LogCat for possible errors!",
                                Toast.LENGTH_LONG)
                                .show();
                    }
                });

            }

            return null;
        }

        @Override
        protected void onPostExecute(Void result) {

            if (cod == "null"){
                Toast.makeText(getApplicationContext(), "Incorrect Password. Please try again", Toast.LENGTH_LONG).show();
            }else if (cod != "null"){
                Toast.makeText(getApplicationContext(), "Login succesful", Toast.LENGTH_SHORT).show();
                mTextView.setText(cod);
            }
            //mTextView.setText(cod);

        }

    }
}