dadaasdadasdas

package pkl.login_volley;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
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.StringRequest;
import com.android.volley.toolbox.Volley;

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

public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    @Override
    public void onClick(View v) {
        login();
    }

    Button btn_login;
    EditText et_user, et_pass;
    ProgressDialog progressDialog;
    Context context;

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

        et_user = (EditText) findViewById(R.id.et_username);
        et_pass = (EditText) findViewById(R.id.et_password);
        btn_login = (Button) findViewById(R.id.tbn_login);


        btn_login.setOnClickListener(this);
    }

    public void login() {
        final String username = et_user.getText().toString().trim();
        final String password = et_pass.getText().toString().trim();
        progressDialog.setMessage("Tunggu benta");
        showDialog();

        StringRequest stringRequest = new StringRequest(Request.Method.POST, Session.LOGIN_URL, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                if (response.trim().equals("Sukses")) {
                    hideDialog();
                    PindahActivity();
                } else {
                    hideDialog();
                    Toast.makeText(context, "Username Atau Password Salah kali", Toast.LENGTH_LONG);
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                hideDialog();
                Toast.makeText(context, "Ga Tersambung kali", Toast.LENGTH_LONG);
            }
        }
        ) {
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> params = new HashMap<>();
                params.put(Session.KEY_USERNAME, username);
                params.put(Session.KEY_PASSWORD, password);
                return params;
            }
        };
        RequestQueue requestQueue = Volley.newRequestQueue(this);
        requestQueue.add(stringRequest);

    }

    public void PindahActivity() {
        Intent i = new Intent(this, Main2Activity.class);
        startActivity(i);
    }

    public void showDialog(){
        if (!progressDialog.isShowing()){
            progressDialog.show();
        }
    }
    public void hideDialog(){
        if (progressDialog.isShowing()){
            progressDialog.dismiss();
        }
    }
}