SplashScreen 구현, 로그인 & 회원가입 시 토큰 저장

android/app/src/main/AndroidManifest.xml

@@ -14,14 +14,17 @@
         android:theme="@style/Theme.PriceGuard"
         tools:targetApi="34">
         <activity
-            android:name=".ui.intro.IntroActivity"
-            android:exported="true" >
+            android:name=".ui.splash.SplashScreenActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.intro.IntroActivity"
+            android:exported="false" />
         <activity
             android:name=".ui.login.LoginActivity"
             android:exported="false" />

android/app/src/main/java/app/priceguard/ui/login/LoginActivity.kt

@@ -34,7 +34,8 @@ class LoginActivity : AppCompatActivity() {
     private fun initListener() {
         with(binding) {
             btnLoginLogin.setOnClickListener {
-                (binding.btnLoginLogin as MaterialButton).icon = getCircularProgressIndicatorDrawable(this@LoginActivity)
+                (binding.btnLoginLogin as MaterialButton).icon =
+                    getCircularProgressIndicatorDrawable(this@LoginActivity)
             }
             btnLoginSignup.setOnClickListener {
                 gotoSignUp()
@@ -47,7 +48,8 @@ class LoginActivity : AppCompatActivity() {
             loginViewModel.event.collect { eventType ->
                 when (eventType) {
                     LoginEvent.LoginStart -> {
-                        (binding.btnLoginLogin as MaterialButton).icon = getCircularProgressIndicatorDrawable(this@LoginActivity)
+                        (binding.btnLoginLogin as MaterialButton).icon =
+                            getCircularProgressIndicatorDrawable(this@LoginActivity)
                     }
 
                     else -> {
@@ -73,7 +75,20 @@ class LoginActivity : AppCompatActivity() {
             }
 
             is LoginEvent.LoginSuccess -> {
-                gotoHome()
+                val response = eventType.response
+
+                if (response == null) {
+                    showDialog(
+                        getString(R.string.login_fail),
+                        getString(R.string.login_fail_message)
+                    )
+                } else {
+                    loginViewModel.saveTokens(response.accessToken, response.refreshToken)
+                }
+            }
+
+            is LoginEvent.LoginInfoSaved -> {
+                gotoHomeActivity()
             }
 
             else -> {}
@@ -93,7 +108,7 @@ class LoginActivity : AppCompatActivity() {
         startActivity(Intent(this, SignupActivity::class.java))
     }
 
-    private fun gotoHome() {
+    private fun gotoHomeActivity() {
         val intent = Intent(this, MainActivity::class.java)
         intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
         startActivity(intent)

android/app/src/main/java/app/priceguard/ui/login/LoginViewModel.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import app.priceguard.data.dto.LoginResponse
 import app.priceguard.data.dto.LoginState
+import app.priceguard.data.repository.TokenRepository
 import app.priceguard.data.repository.UserRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
@@ -18,7 +19,8 @@ import kotlinx.coroutines.launch
 
 @HiltViewModel
 class LoginViewModel @Inject constructor(
-    private val userRepository: UserRepository
+    private val userRepository: UserRepository,
+    private val tokenRepository: TokenRepository
 ) : ViewModel() {
 
     data class State(
@@ -33,6 +35,7 @@ class LoginViewModel @Inject constructor(
         data object Invalid : LoginEvent()
         data class LoginSuccess(val response: LoginResponse?) : LoginEvent()
         data class LoginFailure(val status: LoginState) : LoginEvent()
+        data object LoginInfoSaved : LoginEvent()
     }
 
     private val emailPattern =
@@ -87,6 +90,13 @@ class LoginViewModel @Inject constructor(
         }
     }
 
+    fun saveTokens(accessToken: String, refreshToken: String) {
+        viewModelScope.launch {
+            tokenRepository.storeTokens(accessToken, refreshToken)
+            sendLoginEvent(LoginEvent.LoginInfoSaved)
+        }
+    }
+
     private suspend fun sendLoginEvent(event: LoginEvent) {
         _event.emit(event)
     }

android/app/src/main/java/app/priceguard/ui/signup/SignupActivity.kt

@@ -78,13 +78,7 @@ class SignupActivity : AppCompatActivity() {
                 if (response == null) {
                     showDialog(getString(R.string.error), getString(R.string.undefined_error))
                 } else {
-                    // TODO: DataStore에 저장하기
-                    val intent = Intent(this, MainActivity::class.java)
-                    intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
-                    startActivity(intent)
-
-                    // TODO: 뒤에 액티비티 스택 다 날리기
-                    finish()
+                    signupViewModel.saveTokens(response.accessToken, response.refreshToken)
                 }
             }
 
@@ -106,9 +100,20 @@ class SignupActivity : AppCompatActivity() {
                     else -> {}
                 }
             }
+
+            SignupEvent.SignupInfoSaved -> {
+                gotoHomeActivity()
+            }
         }
     }
 
+    private fun gotoHomeActivity() {
+        val intent = Intent(this, MainActivity::class.java)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+        startActivity(intent)
+        finish()
+    }
+
     private fun setNavigationButton() {
         binding.mtSignupTopbar.setNavigationOnClickListener {
             finish()

android/app/src/main/java/app/priceguard/ui/signup/SignupViewModel.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import app.priceguard.data.dto.SignUpResponse
 import app.priceguard.data.dto.SignUpState
+import app.priceguard.data.repository.TokenRepository
 import app.priceguard.data.repository.UserRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
@@ -18,7 +19,8 @@ import kotlinx.coroutines.launch
 
 @HiltViewModel
 class SignupViewModel @Inject constructor(
-    private val userRepository: UserRepository
+    private val userRepository: UserRepository,
+    private val tokenRepository: TokenRepository
 ) : ViewModel() {
 
     data class SignupUIState(
@@ -39,6 +41,7 @@ class SignupViewModel @Inject constructor(
         data object SignupStart : SignupEvent()
         data class SignupSuccess(val response: SignUpResponse?) : SignupEvent()
         data class SignupFailure(val errorState: SignUpState) : SignupEvent()
+        data object SignupInfoSaved : SignupEvent()
     }
 
     private val emailPattern =
@@ -52,6 +55,13 @@ class SignupViewModel @Inject constructor(
     private val _eventFlow: MutableSharedFlow<SignupEvent> = MutableSharedFlow(replay = 0)
     val eventFlow: SharedFlow<SignupEvent> = _eventFlow.asSharedFlow()
 
+    fun saveTokens(accessToken: String, refreshToken: String) {
+        viewModelScope.launch {
+            tokenRepository.storeTokens(accessToken, refreshToken)
+            sendSignupEvent(SignupEvent.SignupInfoSaved)
+        }
+    }
+
     fun signup() {
         if (_state.value.isSignupStarted || _state.value.isSignupFinished) {
             Log.d("Signup", "Signup already requested. Skipping")

android/app/src/main/java/app/priceguard/ui/splash/SplashScreenActivity.kt

@@ -0,0 +1,55 @@
+package app.priceguard.ui.splash
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.lifecycleScope
+import app.priceguard.R
+import app.priceguard.data.repository.TokenRepository
+import app.priceguard.databinding.ActivitySplashScreenBinding
+import app.priceguard.ui.intro.IntroActivity
+import app.priceguard.ui.main.MainActivity
+import dagger.hilt.android.AndroidEntryPoint
+import javax.inject.Inject
+import kotlinx.coroutines.launch
+
+@SuppressLint("CustomSplashScreen")
+@AndroidEntryPoint
+class SplashScreenActivity : AppCompatActivity() {
+
+    @Inject
+    lateinit var tokenRepository: TokenRepository
+    private lateinit var binding: ActivitySplashScreenBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_splash_screen)
+
+        lifecycleScope.launch {
+            val accessToken = tokenRepository.getAccessToken()
+            val refreshToken = tokenRepository.getRefreshToken()
+
+            if (accessToken == null || refreshToken == null) {
+                // Intro Activity로 이동
+                tokenRepository.clearTokens()
+                launchActivityAndExit(this@SplashScreenActivity, IntroActivity::class.java)
+                return@launch
+            }
+
+            // TODO: Token 갱신하기
+
+            // Main Activity로 이동
+            launchActivityAndExit(this@SplashScreenActivity, MainActivity::class.java)
+        }
+    }
+
+    private fun <T : Activity> launchActivityAndExit(context: Context, clazz: Class<T>) {
+        val intent = Intent(context, clazz)
+        startActivity(intent)
+        finish()
+    }
+}

android/app/src/main/res/layout/activity_splash_screen.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout 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">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="?attr/colorSurface"
+        tools:context=".ui.splash.SplashScreenActivity">
+
+        <ImageView
+            android:id="@+id/iv_splash_logo"
+            android:layout_width="160dp"
+            android:layout_height="160dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            android:src="@drawable/ic_priceguard_original" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>

android/app/src/main/res/values-v31/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.PriceGuard" parent="Base.Theme.PriceGuard">
+        <item name="android:windowSplashScreenBackground">@android:color/transparent</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@android:color/transparent</item>
+        <item name="android:windowSplashScreenAnimationDuration">0</item>
+    </style>
+</resources>