#31 회원가입, 로그인, 로그아웃, 자동 로그인 코드 작성

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/JoinCreate.kt

@@ -43,21 +43,27 @@ class JoinCreate : Fragment(){
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
+        val binding = FragmentJoinCreateBinding.inflate(inflater,  container, false)
+
+        // EditText binding
+        val input_name = binding.inputName
+        val input_id = binding.newId
+        val new_password = binding.inputNewpassword
+        val check_password = binding.checkPassword
 
         // 버튼 view 바인딩
-        val binding = FragmentJoinCreateBinding.inflate(inflater,  container, false)
         binding.nextCreate.setOnClickListener{
+            //회원 등록
+            registerUser(input_name.text.toString(), input_id.text.toString(), new_password.text.toString())
+
+            // 화면 이동
             (activity as JoinActivity).replaceFragment(JoinShare())
         }
 
         binding.nextCreate.isEnabled = false
         binding.nextCreate.setBackgroundColor(Color.parseColor("#d3d3d3"));
 
-        // EditText binding
-        val input_name = binding.inputName
-        val input_id = binding.newId
-        val new_password = binding.inputNewpassword
-        val check_password = binding.checkPassword
+
 
         // 핸들러 적용
         var textWatcher = object : TextWatcher {
@@ -87,30 +93,27 @@ class JoinCreate : Fragment(){
 
 
 
-        /* 회원가입 */
-        Log.d("mobileApp", "회원가입 버튼을 누름")
 
+
+        return binding.root
+    }
+
+    private fun registerUser(userName: String, email: String, password: String){
         val call: Call<RegisterRes> = MyApplication.networkServiceAuth.register(
-            RegisterReq("test5","[email protected]", "55555555")
+            RegisterReq(userName,email, password)
         )
 
         call?.enqueue(object : Callback<RegisterRes>{
             override fun onResponse(call: Call<RegisterRes>, response: Response<RegisterRes>) {
                 if(response.isSuccessful){
-                    Log.d("mobileApp", "$response")
+                    Log.d("mobileApp", "$response ${response.body()}")
                 }
             }
 
             override fun onFailure(call: Call<RegisterRes>, t: Throwable) {
                 Log.d("mobileApp", "onFailure $t")
             }
         })
-
-
-
-
-
-        return binding.root
     }
 
     companion object {

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/LoginActivity.kt

@@ -3,9 +3,13 @@ package com.example.shape_up_2022
 import android.content.Intent
 import android.os.Bundle
 import android.util.Log
-import android.view.View
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.example.shape_up_2022.databinding.SignInBinding
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+
 
 class LoginActivity : AppCompatActivity() {
 
@@ -19,38 +23,39 @@ class LoginActivity : AppCompatActivity() {
         binding.gotoSignUp.setOnClickListener{
             val intent = Intent(this, JoinActivity::class.java)
             startActivity(intent)
-            this.finish()
+            finish()
         }
 
         // 로그인 버튼을 눌렀을 때
         binding.btnLogin.setOnClickListener{
             val inputID = binding.inputId.text.toString() // 아이디에 대한 String
             val inputPW = binding.inputPw.text.toString() // 비밀번호에 대한 String
-
-            // DB에서 아이디가 있는지 검색, 아이디가 있으면 아이디에 해당하는 비밀번호가 맞는지 검색
-            if (inputID == "" || inputPW == ""){ // ID or 패스워드를 입력하지 않았을 때
-                Log.d("app_test", "다시 입력하세요")
-                binding.reEnterIdPw.visibility = View.VISIBLE
-            }
-            else if (inputID == "1234"){ // 해당하는 아이디가 존재할 때
-                if(inputPW == "1234"){
-                    Log.d("app_test", "로그인 완료")
-
-                    // intent: mainActivity로 이동
-                    val intent = Intent(
-                        this, MainActivity::class.java)
-                    startActivity(intent)
-                    this.finish()
-                    // 로그인 이력 저장, 다음에는 로그인 창 없이 바로 메인 페이지로 이동하도록 구현
-                } else{ // 비밀번호가 틀린 경우
 
+            // DB에 저장된 아이디 값
+            val call: Call<LoginRes> = MyApplication.networkServiceAuth.login(
+                LoginReq(inputID, inputPW)
+            )
+
+            call?.enqueue(object : Callback<LoginRes> {
+                override fun onResponse(call: Call<LoginRes>, response: Response<LoginRes>) {
+                    if(response.isSuccessful){
+                        Log.d("mobileApp", "$response ${response.body()}")
+                        // 프리퍼런스에 값 저장
+                        SaveSharedPreference.setUserEmail(baseContext, inputID)
+
+                        // 메인 페이지로 이동
+                        val intent = Intent(baseContext, MainActivity::class.java)
+                        startActivity(intent)
+                        finish()
+                    }
+                }
+
+                override fun onFailure(call: Call<LoginRes>, t: Throwable) {
+                    Log.d("mobileApp", "onFailure $t")
+                    Toast.makeText(baseContext, "아이디 또는 비밀번호를 확인해주세요.", Toast.LENGTH_SHORT).show()
                 }
-            }
-            else{ // 아이디와 비밀번호가 틀린 경우
-
-                Log.d("app_test", "로그인 실패 ${inputID}, ${inputPW}")
-                // 리렌더링 후 아이디와 비밀번호가 틀렸음을 알린다. (모달 띄우는 것보다는 xml에서 알리면 좋을 듯)
-            }
+            })
+
         }
             //간편 로그인 연동 => api
     }

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/MyApplication.kt

@@ -18,10 +18,10 @@ class MyApplication: Application() {
         var networkServiceAuth: NetworkService
         val retrofitAuth: Retrofit
             get() = Retrofit.Builder()
-                .baseUrl("http://ec2-13-124-250-65.ap-northeast-2.compute.amazonaws.com:5000/")
+                .baseUrl("http://192.168.219.105:5000")
                 .addConverterFactory(GsonConverterFactory.create())
                 .build()
-
+        // "http://ec2-13-124-250-65.ap-northeast-2.compute.amazonaws.com:5000/"
         init{
             networkService2 = retrofit2.create(NetworkService2::class.java)
             networkServiceAuth = retrofitAuth.create(NetworkService::class.java)

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/MyPageActivity.kt

@@ -7,8 +7,13 @@ import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.provider.MediaStore
 import android.util.Log
+import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
 import com.example.shape_up_2022.databinding.ActivityMyPageBinding
+import com.google.android.youtube.player.internal.t
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
 import java.lang.Exception
 
 class MyPageActivity : AppCompatActivity() {
@@ -43,6 +48,36 @@ class MyPageActivity : AppCompatActivity() {
             }
         }
 
+        // 로그아웃
+        val email = SaveSharedPreference.getUserEmail(this)!!.toString()
+        Log.d("mobileApp", "${email}")
+        binding.logoutBtn.setOnClickListener {
+            val call: Call<LogoutRes> = MyApplication.networkServiceAuth.logout(
+            )
+
+            call?.enqueue(object : Callback<LogoutRes> {
+                override fun onResponse(call: Call<LogoutRes>, response: Response<LogoutRes>) {
+                    if(response.isSuccessful){
+                        Log.d("mobileApp", "$response ${response.body()}")
+
+                        // 저장했던 preference clear
+                        SaveSharedPreference.clearUserEmail(baseContext)
+
+                        // StartActivity로 이동
+                        val intent = Intent(baseContext, TempMainActivity::class.java)
+                        startActivity(intent)
+                        finish()
+                    }
+                }
+
+                override fun onFailure(call: Call<LogoutRes>, t: Throwable) {
+                    Log.d("mobileApp", "onFailure $t")
+                    Toast.makeText(baseContext, "토스트 메세지 띄우기 입니다.", Toast.LENGTH_SHORT).show()
+                }
+            })
+        }
+
+        // 프로필 사진 변경
         binding.changeprofile.setOnClickListener{
             val intent = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
             intent.type="image/*"

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/NetworkService.kt

@@ -4,19 +4,19 @@ import retrofit2.Call
 import retrofit2.http.*
 
 interface NetworkService {
-    @POST("api/user/register")
+    @POST("api/users/register")
     fun register(
         @Body user: RegisterReq,
     ): Call<RegisterRes>
 
-    @POST("api/user/login")
+    @POST("api/users/login")
     fun login(
         @Body user: LoginReq,
     ): Call<LoginRes>
 
-    @GET("api/user/logout")
+    @GET("api/users/logout")
     fun logout(
-        @Body user: LogoutReq
+
     ): Call<LogoutRes>
 
 }
@@ -29,6 +29,6 @@ data class LoginReq(val email: String, val password: String)
 
 data class LoginRes(val loginSuccess: String, val message: String)
 
-data class LogoutReq(val _id: String, val email: String, val password: String)
+data class LogoutReq(val email: String)
 
-data class LogoutRes(val success: String)
+data class LogoutRes(val success: String, val err: String)

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/SaveSharedPreference.kt

@@ -0,0 +1,29 @@
+package com.example.shape_up_2022
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.preference.PreferenceManager
+
+class SaveSharedPreference {
+    companion object{
+        fun getSharedPreferences(ctx: Context): SharedPreferences? {
+            return PreferenceManager.getDefaultSharedPreferences(ctx)
+        }
+
+        fun setUserEmail(ctx: Context, email: String) {
+            val editor = getSharedPreferences(ctx)!!.edit()
+            editor.putString("username", email)
+            editor.commit()
+        }
+
+        fun getUserEmail(ctx: Context?): String? {
+            return getSharedPreferences(ctx!!)!!.getString("username", "")
+        }
+
+        fun clearUserEmail(ctx: Context?) {
+            val editor = getSharedPreferences(ctx!!)!!.edit()
+            editor.clear()
+            editor.commit()
+        }
+    }
+}

SHAPEUP2022/app/src/main/java/com/example/shape_up_2022/StartActivity.kt

@@ -15,20 +15,25 @@ class StartActivity : AppCompatActivity() {
         setContentView(binding.root) // 액티비티 화면 출력
 
         //버튼 이벤트에 따른 인텐트 연결
-        // 1. 로그인
-        binding.btnLogin.setOnClickListener {
-            val intent = Intent(this, LoginActivity::class.java)
+        if(SaveSharedPreference.getUserEmail(this)?.length != 0){
+            val intent = Intent(baseContext, MainActivity::class.java)
             startActivity(intent)
-            this.finish()
-        }
+            finish()
+        } else{
+            // 1. 로그인
+            binding.btnLogin.setOnClickListener {
+                val intent = Intent(this, LoginActivity::class.java)
+                startActivity(intent)
+                this.finish()
+            }
 
-        // 2. 회원가입
-        binding.btnJoin.setOnClickListener {
-            Log.d("app_test", "JoinActivity")
-            val intent = Intent(this, JoinActivity::class.java)
-            startActivity(intent)
-            this.finish()
+            // 2. 회원가입
+            binding.btnJoin.setOnClickListener {
+                Log.d("app_test", "JoinActivity")
+                val intent = Intent(this, JoinActivity::class.java)
+                startActivity(intent)
+                this.finish()
+            }
         }
-
     }
 }

SHAPEUP2022/app/src/main/res/layout/activity_my_page.xml

@@ -114,6 +114,12 @@
                     android:src="@android:drawable/ic_menu_share"
                     android:scaleType="centerCrop" />
 
+                <Button
+                    android:id="@+id/logout_btn"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="로그아웃" />
+
             </LinearLayout>
 
             <LinearLayout

SHAPEUP2022/app/src/main/res/layout/fragment_join_create.xml

@@ -40,8 +40,8 @@
             android:layout_marginBottom="15dp"
             android:padding="16dp"
             android:background="@drawable/rectangle_base"
-            android:hint="새 아이디"
-            android:inputType="text"
+            android:hint="이메일"
+            android:inputType="textEmailAddress"
             android:textSize="20dp"
             android:elevation="4dp" />
 
@@ -53,7 +53,7 @@
             android:layout_marginBottom="15dp"
             android:padding="16dp"
             android:background="@drawable/rectangle_base"
-            android:hint="새 비밀번호"
+            android:hint="비밀번호"
             android:inputType="textPassword"
             android:textSize="20dp"
             android:elevation="4dp" />