login

package com.example.aplikasipasarikan.auth;

import androidx.appcompat.app.AppCompatActivity;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

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 com.example.aplikasipasarikan.Menu;
import com.example.aplikasipasarikan.R;
import com.google.android.material.button.MaterialButton;
import com.google.android.material.textfield.TextInputEditText;

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

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

public class LoginActivity extends AppCompatActivity {
    MaterialButton loginBtn, createAccountBtn;
    TextInputEditText Editusrn, Editpass;
    ProgressDialog progressDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        SharedPreferences session = getSharedPreferences("session_login",MODE_PRIVATE);

        if (session.getBoolean("statuslogin",false)){
            finish();
            Intent intent= new Intent(getApplicationContext(),Menu.class);
            startActivity(intent);
        }

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

        getSupportActionBar().hide();

        loginBtn = (MaterialButton) findViewById(R.id.loginBtn);
        createAccountBtn = (MaterialButton) findViewById(R.id.createAccountBtn);
        Editusrn = (TextInputEditText) findViewById(R.id.Editusrn);
        Editpass = (TextInputEditText) findViewById(R.id.Editpass);

        loginBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                login();
            }
        });

        cek_form(Editusrn);
        cek_form(Editpass);
    }

    private void login() {
        progressDialog = new ProgressDialog(this);
        progressDialog.setCancelable(false);
        progressDialog.setMessage("Loading...");
        progressDialog.show();

        if (Editusrn.getText().length()<1){
            Editusrn.setBackgroundResource(R.drawable.form_error);
        }
        if (Editpass.getText().length()<1){
            Editpass.setBackgroundResource(R.drawable.form_error);
        }
        else {
            kirim_data();
            progressDialog.dismiss();

        }

    }

    void kirim_data(){
        SharedPreferences.Editor session= getSharedPreferences("session_login",MODE_PRIVATE).edit();
        String Url = "https://testing.sumbarprov.go.id/pasarikan/api/login";
        StringRequest request = new StringRequest(
                Request.Method.POST,
                Url,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        try {
                            JSONObject jsonObject = new JSONObject(response);
                            String status = jsonObject.getString("status");
                            if (status.equalsIgnoreCase("success")){
                                String user = jsonObject.getString("user");
                                String instansi = jsonObject.getString("instansi");
                                session.putString("username",Editusrn.getText().toString());
                                session.putString("password",Editpass.getText().toString());
                                session.putString("user",user);
                                session.putString("instansi",instansi);
                                session.putBoolean("statuslogin",true);

                                Log.e("user",user);
                                session.commit();
                                Intent intent = new Intent(getApplicationContext(),Menu.class);
                                startActivity(intent);
                                finish();
                            }
                            else if (status.equalsIgnoreCase("Gagal")){
                                Toast.makeText(getApplicationContext(), "Username atau Password Salah", Toast.LENGTH_SHORT).show();
                                progressDialog.dismiss();
                            }
                        }
                        catch (JSONException e){
                            e.printStackTrace();
                            progressDialog.dismiss();
                        }
            }
        },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        Toast.makeText(getApplicationContext(),error.getMessage(), Toast.LENGTH_SHORT).show();
                    }
                }
        ){
            protected Map<String, String>getParams(){
                Map<String,String> kirim_form= new HashMap<String,String>();
                kirim_form.put("username",Editusrn.getText().toString());
                kirim_form.put("password",Editpass.getText().toString());
                return kirim_form;
            }
        };
        RequestQueue requestQueue = Volley.newRequestQueue(LoginActivity.this);
        requestQueue.add(request);

    }

    void cek_form(final TextInputEditText textInputEditText){
        textInputEditText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {

            }

            @Override
            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {


            }

            @Override
            public void afterTextChanged(Editable editable) {

            }
        });
    }


}