//pada Graddle, silakan ditambahkan barus perintah ini:
compile 'com.jakewharton:butterknife:8.8.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'

//Daftar.java

package id.co.imastudio.ojekonlinecourse.View;

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

import id.co.imastudio.ojekonlinecourse.Helper.HeroHelper;
import id.co.imastudio.ojekonlinecourse.R;
import id.co.imastudio.ojekonlinecourse.Response.ResponseDaftar;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class Daftar extends AppCompatActivity {

    EditText daftarusername;
    EditText daftaremail;
    EditText daftarhp;
    EditText daftarpassword;

    EditText daftarconfirmasipass;


    Button btnSignUp;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_daftar);
        //ButterKnife.bind(this);
        daftarusername = (EditText) findViewById(R.id.daftarusername);
        daftaremail = (EditText) findViewById(R.id.daftaremail);
        daftarhp = (EditText) findViewById(R.id.daftarhp);
        daftarpassword = (EditText) findViewById(R.id.daftarpassword);
        daftarconfirmasipass = (EditText) findViewById(R.id.daftarconfirmasipass);
        btnSignUp = (Button) findViewById(R.id.btnSignUp);
        btnSignUp.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                /*membuat sebuah kondisional untuk memastikan kalau pengguna sudah mengisi sebuah textfield yang ada */
                Log.d("Button diclick","register");
                //get semua inputan user

                String tampungnama = daftarusername.getText().toString();
                String tampungemail = daftaremail.getText().toString();
                String tampungphone = daftarhp.getText().toString();
                String tampungpassword = daftarpassword.getText().toString();
                String tampungconfirm = daftarconfirmasipass.getText().toString();

                if(!tampungpassword.equals(tampungconfirm)) {
                    Toast.makeText(Daftar.this, "Password tidak cocok", Toast.LENGTH_SHORT).show();
                }

                // ! = negasi
                else if (!tampungnama.isEmpty() && !tampungemail.isEmpty() && !tampungpassword.isEmpty() && !tampungphone.isEmpty() && !tampungconfirm.isEmpty()){
                    Log.d("Button diclick","data valid");
                    //get init retrofit yang sudh dibikin class initlibrary
                    ApiService api = InitLibrary.getInstance();

                    //get request
                    Call<ResponseDaftar> call = api.request_daftar(tampungnama,tampungemail,tampungpassword,tampungphone);

                    //get response
                    call.enqueue(new Callback<ResponseDaftar>() {
                        @Override
                        public void onResponse(Call<ResponseDaftar> call, Response<ResponseDaftar> response) {
                            Log.d("Button diclick","ada response " + response.toString());
                            //response success
                            if(response.isSuccessful()) {
                                String result = response.body().getResult();
                                String pesan = response.body().getMsg();
                                if (result.equals("true")) {
                                    //pindah halaman ke halaman lain
                                    Intent intent = new Intent(Daftar.this, login.class);
                                    startActivity(intent);
                                } else {

                                    //bikin toast kalau seandainya hasilnya gak true
                                    HeroHelper.pesan(Daftar.this, pesan);
                                }
                            }
                        }

                        @Override
                        public void onFailure(Call<ResponseDaftar> call, Throwable t) {

                        }
                    });

                } else {
                    Toast.makeText(Daftar.this, "Maaf, harus diisi semua", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}

//ApiService.java
package id.co.imastudio.ojekonlinecourse.View;

import id.co.imastudio.ojekonlinecourse.Response.ResponseDaftar;
import retrofit2.Call;
import retrofit2.http.Field;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.POST;

public interface ApiService {
    @FormUrlEncoded
    @POST("daftar")
    Call<ResponseDaftar> request_daftar(
            @Field("nama") String name,
            @Field("email") String email,
            @Field("password") String pass,
            @Field("phone") String phone
    );

}


//ResponseDaftar.java

package id.co.imastudio.ojekonlinecourse.Response;

import com.google.gson.annotations.SerializedName;


public class ResponseDaftar {

    @SerializedName("msg")
    private String mMsg;
    @SerializedName("result")
    private String mResult;

    public String getMsg() {
        return mMsg;
    }

    public void setMsg(String msg) {
        mMsg = msg;
    }

    public String getResult() {
        return mResult;
    }

    public void setResult(String result) {
        mResult = result;
    }

}

//InitLibrary.java
package id.co.imastudio.ojekonlinecourse.View;

import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by macbookpro on 8/27/17.
 */


public class InitLibrary {

    public static Retrofit setInit() {
        return new Retrofit.Builder().baseUrl("http://192.168.20.14/ojeg_server/api/")
                .addConverterFactory(GsonConverterFactory.create())
                .build();
    }

    public static ApiService getInstance() {
        return setInit().create(ApiService.class);
    }
}


//login.java
package id.co.imastudio.ojekonlinecourse.View;

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.TextView;

import butterknife.ButterKnife;
import butterknife.OnClick;
import id.co.imastudio.ojekonlinecourse.R;

public class login extends AppCompatActivity {

  //  @BindView(R.id.loginemail)
    EditText loginemail;
   // @BindView(R.id.loginpassword)
    EditText loginpassword;
   // @BindView(R.id.signin)
    Button signin;
  ////  @BindView(R.id.textlink)
    TextView textlink;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        ButterKnife.bind(this);

        loginemail = (EditText) findViewById(R.id.loginemail);
        loginpassword = (EditText) findViewById(R.id.loginpassword);
        textlink= (TextView) findViewById(R.id.textlink);


        textlink.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(login.this, Daftar.class);
                startActivity(intent);
            }
        });
    }

    @OnClick({R.id.signin, R.id.textlink})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            case R.id.signin:
                break;
            case R.id.textlink:



                break;
        }
    }
}

//activity_daftar.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimary"
    android:orientation="vertical"
    android:padding="40dp"
    tools:context="id.co.imastudio.ojekonlinecourse.View.Daftar">


    <EditText
        android:id="@+id/daftarusername"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="5dp"
        android:fontFamily="sans-serif-condensed"
        android:background="@drawable/backgroundedittext"
        android:gravity="center"
        android:hint="Name"
        android:textColor="@android:color/black"
        android:textColorHint="@android:color/black"/>

    <EditText
        android:id="@+id/daftaremail"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="5dp"
        android:fontFamily="sans-serif-condensed"
        android:background="@drawable/backgroundedittext"
        android:gravity="center"
        android:textColor="@android:color/black"
        android:textColorHint="@android:color/black"
        android:hint="Email"/>

    <EditText
        android:id="@+id/daftarhp"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="5dp"
        android:fontFamily="sans-serif-condensed"
        android:background="@drawable/backgroundedittext"
        android:gravity="center"
        android:inputType="number"
        android:textColor="@android:color/black"
        android:textColorHint="@android:color/black"
        android:hint="Handphone"/>

    <EditText
        android:id="@+id/daftarpassword"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:inputType="textPassword"
        android:layout_marginTop="5dp"
        android:fontFamily="sans-serif-condensed"
        android:background="@drawable/backgroundedittext"
        android:gravity="center"
        android:textColor="@android:color/black"
        android:textColorHint="@android:color/black"
        android:hint="Password"/>

    <EditText
        android:id="@+id/daftarconfirmasipass"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="5dp"
        android:background="@drawable/backgroundedittext"
        android:gravity="center"
        android:fontFamily="sans-serif-condensed"
        android:textColorHint="@android:color/black"
        android:textColor="@android:color/black"
        android:hint="Confirm Password"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:text="Sign Up"
        android:textAllCaps="false"
        android:layout_marginTop="20dp"
        android:textColor="@android:color/white"
        android:id="@+id/btnSignUp"
        android:background="@drawable/groundbutton"/>
</LinearLayout>

//activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorPrimary"
    android:orientation="vertical"
    android:padding="40dp"
    tools:context="id.co.imastudio.ojekonlinecourse.View.Daftar">


    <EditText
        android:id="@+id/loginemail"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="40dp"
        android:background="@drawable/backgroundedittext"
        android:fontFamily="sans-serif-condensed"
        android:gravity="center"
        android:textColorHint="@android:color/black"
        android:hint="Email"/>


    <EditText
        android:id="@+id/loginpassword"
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="5dp"
        android:background="@drawable/backgroundedittext"
        android:fontFamily="sans-serif-condensed"
        android:gravity="center"
        android:hint="Password"
        android:textColorHint="@android:color/black"
        android:inputType="textPassword"/>


    <Button
        android:layout_width="match_parent"
        android:layout_height="35dp"
        android:layout_marginTop="20dp"
        android:background="@drawable/groundbutton"
        android:text="Sign in"
        android:id="@+id/signin"
        android:textAllCaps="false"
        android:textColor="@android:color/white"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/textlink"
        android:text="Have account ? Sign Up"
        android:layout_marginTop="10dp"
        android:textColor="#fff"
        android:gravity="right"/>
</LinearLayout>