login

package com.example.user.sistemkasir;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.example.user.sistemkasir.Api.API;
import com.example.user.sistemkasir.Model.LoginModel;
import com.tapadoo.alerter.Alerter;
import com.tapadoo.alerter.OnHideAlertListener;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class LoginActivity extends AppCompatActivity {
   public static final String PREF = "ID";
   public static final String URL = "http://192.168.99.113/webserviceKoffie/api/";
   private ProgressDialog progress;
   @BindView(R.id.txtUsername) EditText usValue;
   @BindView(R.id.txtPassword) EditText psValue;
   @BindView(R.id.txtRegister) TextView reg;
   @BindView(R.id.btnLogin) Button log;


   //operasi button login jika di klik
   @OnClick(R.id.btnLogin) void login() {
       //membuat progress
       progress = ProgressDialog.show(LoginActivity.this, null, null, true);
       progress.setContentView(R.layout.progress_bar_splash);
       progress.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
       progress.show();


       //mengambil data dari edittext
       String username = usValue.getText().toString();
       String password = psValue.getText().toString();


       //mengkoneksikan ke retrofit
       Retrofit retrofit = new Retrofit.Builder()
               .baseUrl(URL)
               .addConverterFactory(GsonConverterFactory.create())
               .build();

       //menyambungkan dengan webservice API
       API api = retrofit.create(API.class);
       Call<LoginModel> call = api.login(username, password);
       call.enqueue(new Callback<LoginModel>() {
           @Override
           public void onResponse(Call<LoginModel> call, Response<LoginModel> response) {
               String status = response.body().getStatus();
               String message = response.body().getMessage();
               String user_id = String.valueOf(response.body().getUser_id());
               Log.d("ID",user_id);
               progress.dismiss();
               Log.d("Status", response.body().getStatus());

               if (status.equals("1")) {
                   SharedPreferences settings = getSharedPreferences(PREF,0);
                   SharedPreferences.Editor editor = settings.edit();
                   editor.putString("id",user_id);
                   editor.putString("status","1");
                   editor.commit();
                   Alerter.create(LoginActivity.this)
                           .setTitle("Informasi")
                           .setBackgroundColor(R.color.alerterInfo)
                           .setText(message)
                           .setOnHideListener(new OnHideAlertListener() {
                               @Override
                               public void onHide() {
                                   startActivity(new Intent(LoginActivity.this,MainActivity.class));
                                   finish();
                               }
                           })
                           .show();

               } else {
                   Alerter.create(LoginActivity.this)
                           .setTitle("Informasi")
                           .setBackgroundColor(R.color.alerterError)
                           .setText(message)
                           .show();
               }
           }

           @Override
           public void onFailure(Call<LoginModel> call, Throwable t) {
               Log.d("Status", String.valueOf(t));
               Alerter.create(LoginActivity.this)
                       .setTitle("Informasi")
                       .setBackgroundColor(R.color.alerterError)
                       .setText("Jaringan Error")
                       .show();
               progress.dismiss();

           }
       });
   }

    @OnClick(R.id.txtRegister) void register(){
        Intent myintent = new Intent(LoginActivity.this,RegisterActivity.class);
        startActivity(myintent);

    }


      @Override
       protected void onCreate (Bundle savedInstanceState){
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_login);
          SharedPreferences settings = getSharedPreferences(PREF,0);
          String userid = settings.getString("id","0");
          String status = settings.getString("status","0");
          if (status.equals("1")){
              Intent myIntent = new Intent(LoginActivity.this,MainActivity.class);
              startActivity(myIntent);
              finish();
          }
          ButterKnife.bind(this);
       }
   }