Feat/#5 week2 xml 필수과제 구현

README.md

@@ -1,4 +1,5 @@
 # Now Sopt Android
+ feat/#5-week2_xml
 
 - **[FEAT]** : 새로운 기능 구현
 - **[MOD]** : 코드 수정 및 내부 파일 수정

app/build.gradle

@@ -45,4 +45,9 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+    //viewModel
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2"
+    implementation "androidx.fragment:fragment-ktx:1.6.1"
+    implementation "androidx.activity:activity-ktx:1.8.0"
 }

app/src/main/java/com/sopt/now/HomeFragment.kt

@@ -0,0 +1,41 @@
+package com.sopt.now
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.viewModels
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.sopt.now.databinding.FragmentHomeBinding
+
+class HomeFragment : Fragment() {
+    private val binding:FragmentHomeBinding
+        get()= requireNotNull(_binding){"_binding이 null이 아닌 경우만 _binding 반환"}
+    private var _binding: FragmentHomeBinding ?= null
+    private val viewModel by viewModels<HomeViewModel>()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = FragmentHomeBinding.inflate(inflater,container,false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val homeListAdapter = HomeListAdapter()
+        binding.rvFriends.run {
+            adapter = homeListAdapter
+            layoutManager = LinearLayoutManager(requireContext())
+        }
+        homeListAdapter.setHomeList(viewModel.homeListData)
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+}

app/src/main/java/com/sopt/now/HomeList.kt

@@ -0,0 +1,15 @@
+package com.sopt.now
+
+import androidx.annotation.DrawableRes
+
+data class HomeList(
+    @DrawableRes val profileImage: Int,
+    val name: String,
+    val selfDescription: String,
+    val viewType: Int
+) {
+    companion object {
+        const val VIEW_TYPE_USER = 0
+        const val VIEW_TYPE_FRIEND = 1
+    }
+}

app/src/main/java/com/sopt/now/HomeListAdapter.kt

@@ -0,0 +1,44 @@
+package com.sopt.now
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.sopt.now.databinding.ItemFriendBinding
+import com.sopt.now.databinding.ItemUserBinding
+
+class HomeListAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+    private var homeListList: List<HomeList> = emptyList()
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        val bindingUser = ItemUserBinding.inflate(inflater, parent, false)
+        val bindingFriend = ItemFriendBinding.inflate(inflater, parent, false)
+        return when(viewType){
+            HomeList.VIEW_TYPE_USER -> {
+                UserViewHolder(bindingUser)
+            }
+            else -> {
+                FriendViewHolder(bindingFriend)
+            }
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when(homeListList.getOrNull(position)?.viewType){
+            HomeList.VIEW_TYPE_USER -> {
+                (holder as UserViewHolder).onBind(homeListList[position])
+            }
+            else -> {
+                (holder as FriendViewHolder).onBind(homeListList[position])
+            }
+        }
+    }
+
+    override fun getItemCount() = homeListList.size
+    override fun getItemViewType(position: Int): Int {
+        return homeListList[position].viewType
+    }
+    fun setHomeList(homeListList: List<HomeList>) {
+        this.homeListList = homeListList.toList()
+        notifyDataSetChanged()
+    }
+}

app/src/main/java/com/sopt/now/HomeListViewHolder.kt

@@ -0,0 +1,25 @@
+package com.sopt.now
+
+import androidx.recyclerview.widget.RecyclerView
+import com.sopt.now.databinding.ItemFriendBinding
+import com.sopt.now.databinding.ItemUserBinding
+
+class FriendViewHolder(private val binding:ItemFriendBinding) : RecyclerView.ViewHolder(binding.root) {
+    fun onBind(friendData: HomeList) {
+        binding.run {
+            ivProfile.setImageResource(friendData.profileImage)
+            tvName.text = friendData.name
+            tvSelfDescription.text = friendData.selfDescription
+        }
+    }
+}
+
+class UserViewHolder(private val binding:ItemUserBinding) : RecyclerView.ViewHolder(binding.root) {
+    fun onBind(friendData: HomeList) {
+        binding.run {
+            ivProfile.setImageResource(friendData.profileImage)
+            tvName.text = friendData.name
+            tvSelfDescription.text = friendData.selfDescription
+        }
+    }
+}

app/src/main/java/com/sopt/now/HomeViewModel.kt

@@ -0,0 +1,86 @@
+package com.sopt.now
+
+import androidx.lifecycle.ViewModel
+
+class HomeViewModel : ViewModel() {
+    val homeListData = listOf(
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "송혜음",
+            selfDescription = "멀티 뷰 리싸이클러뷰!",
+            HomeList.VIEW_TYPE_USER
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "박동민",
+            selfDescription = "곽의진...얼굴 재치 실력 모든걸 다 가진 남자... 하지만 밀양박씨 36대손인 나 박동민은 가지지 못했지",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "이석준",
+            selfDescription = "죄송합니다 저 도핑했습니다... 안드-로이더 \uD83D\uDC89",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "박유진",
+            selfDescription = "(ง˙∇˙)ว 에라 모르겠다",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "이의경",
+            selfDescription = "다들 빨리 끝내고 뒤풀이 가고 싶지? ㅎㅎ 아직 반도 안왔어 ^&^",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "우상욱",
+            selfDescription = "나보다 안드 잘하는 사람 있으면 나와봐",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "배지현",
+            selfDescription = "표정 풀자 ^^",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "이의경",
+            selfDescription = "다들 빨리 끝내고 뒤풀이 가고 싶지? ㅎㅎ 아직 반도 안왔어 ^&^",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "우상욱",
+            selfDescription = "나보다 안드 잘하는 사람 있으면 나와봐",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "배지현",
+            selfDescription = "표정 풀자 ^^",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "이의경",
+            selfDescription = "다들 빨리 끝내고 뒤풀이 가고 싶지? ㅎㅎ 아직 반도 안왔어 ^&^",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "우상욱",
+            selfDescription = "나보다 안드 잘하는 사람 있으면 나와봐",
+            HomeList.VIEW_TYPE_FRIEND
+        ),
+        HomeList(
+            profileImage = R.drawable.main,
+            name = "배지현",
+            selfDescription = "표정 풀자 ^^",
+            HomeList.VIEW_TYPE_FRIEND
+        )
+    )
+}

app/src/main/java/com/sopt/now/LoginActivity.kt

@@ -16,57 +16,65 @@ class LoginActivity : AppCompatActivity() {
         binding = ActivityLoginBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        //회원가입에서 사용자 정보 받아옴
-        getUser()
+        getUserInfo()
 
-        //회원가입 페이지로 넘어가기
         moveToSignUp()
-
     }
-    private fun getUser() { // 아쉬운 부분
+    private fun getUserInfo() {
         var id = ""
         var pw = ""
         var nick = ""
         resultLauncher = registerForActivityResult(
             ActivityResultContracts.StartActivityForResult()
         ) { result ->
             if (result.resultCode == RESULT_OK) {
-                id = result.data?.getStringExtra("id") ?: ""
-                pw = result.data?.getStringExtra("pw") ?: ""
-                nick = result.data?.getStringExtra("nick") ?: ""
+                result.data?.let { data ->
+                    id = data.getStringExtra("id") ?: ""
+                    pw = data.getStringExtra("pw") ?: ""
+                    nick = data.getStringExtra("nick") ?: ""
+                }
             }
         }
         binding.btnLogin.setOnClickListener {
-            sendData(id,pw,nick)
+            moveToMain(id,pw,nick)
         }
     }
     private fun moveToSignUp(){
         binding.btnLoginSignIn.setOnClickListener {
             val intent = Intent(this, SignUpActivity::class.java)
-            //회원가입 데이터를 받아오기 위해 startActivity가 아닌 resultLauncher사용
             resultLauncher.launch(intent)
         }
     }
+    private fun moveToMain(id:String,pw:String,nick:String){
+        if (isLoginAvailable(id, pw)) {
+            val intent = Intent(this, MainActivity::class.java).apply {
+                saveUserInfo(id, pw, nick)
+            }
+            startActivity(intent)
+        }
+    }
+    private fun saveUserInfo(id:String,pw:String,nick:String) {
+        val sharedPreferences = getSharedPreferences("userInfo", MODE_PRIVATE)
+        val editor = sharedPreferences.edit()
+        editor
+            .putString("userId", id)
+            .putString("userPw", pw)
+            .putString("userNick", nick)
+            .apply()
+    }
     private fun isLoginAvailable(id: String, pw: String) :Boolean {
         var loginBool = false
         val userId = binding.etvLoginId.text.toString()
         val userPw = binding.etvLoginPw.text.toString()
         val message = when{
-            userId != id || userPw != pw -> "아이디 혹은 비밀번호가 일치하지 않습니다."
+            userId.isBlank() || userPw.isBlank() -> getString(R.string.login_error_blank)
+            userId != id || userPw != pw -> getString(R.string.login_error_different)
             else -> {
                 loginBool = true
-                "로그인에 성공했습니다."
+                getString(R.string.login_success)
             }
         }
         Toast.makeText(this,message,Toast.LENGTH_SHORT).show()
         return loginBool
     }
-    private fun sendData(id:String,pw:String,nick:String){
-        if (isLoginAvailable(id, pw)) {
-            val intent = Intent(this, MainActivity::class.java)
-            //메인 액티비티로 데이터를 보냄
-            intent.putExtra("id", id).putExtra("pw", pw).putExtra("nick", nick)
-            startActivity(intent)
-        }
-    }
 }

app/src/main/java/com/sopt/now/MainActivity.kt

@@ -2,21 +2,52 @@ package com.sopt.now
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
 import com.sopt.now.databinding.ActivityMainBinding
 
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: ActivityMainBinding
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        binding= ActivityMainBinding.inflate(layoutInflater)
+        binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        //로그인화면에서 받아온 id/pw 화면에 출력
-        getUserInfo()
+        val currentFragment = supportFragmentManager.findFragmentById(binding.fcvHome.id)
+        if (currentFragment == null) {
+            supportFragmentManager.beginTransaction()
+                .add(R.id.fcv_home, HomeFragment())
+                .commit()
+        }
+
+        clickBottomNavigation()
     }
-    private fun getUserInfo() {
-        binding.tvMainNick.text = intent.getStringExtra("nick")
-        binding.tvMainId.text = intent.getStringExtra("id")
-        binding.tvMainPw.text = intent.getStringExtra("pw")
+
+    private fun clickBottomNavigation() {
+        binding.bnvHome.setOnItemSelectedListener {
+            when (it.itemId) {
+                R.id.menu_home -> {
+                    replaceFragment(HomeFragment())
+                    true
+                }
+
+                R.id.menu_search -> {
+                    replaceFragment(SearchFragment())
+                    true
+                }
+
+                R.id.menu_mypage -> {
+                    replaceFragment(MyPageFragment())
+                    true
+                }
+
+                else -> false
+            }
+        }
+    }
+
+    private fun replaceFragment(fragment: Fragment) {
+        supportFragmentManager.beginTransaction()
+            .replace(R.id.fcv_home, fragment)
+            .commit()
     }
 }