[경북대 Android 류지원] 6주차 과제_STEP1 (#16)

* init: load previous codes 이전 코드 불러오기 * refactor: implement databinding on ErrorActivity 전주 피드백 사항인 ErrorActivity databinding 추가 적용 * docs: edit README * feat: implement SplashView splashview 구현 * feat: implement loading serviceConfig in layer mvvm 패턴에 알맞게 데이터 레이어에 serviceConfig 불러오도록 구현 * init: load previous codes 이전 코드 불러오기 * refactor: implement databinding on ErrorActivity 전주 피드백 사항인 ErrorActivity databinding 추가 적용 * feat: implement SplashView splashview 구현 * feat: implement loading serviceConfig in layer mvvm 패턴에 알맞게 데이터 레이어에 serviceConfig 불러오도록 구현 * refactor: add coroutines for async 비동기 작업을 위해 코루틴 추가
kakao-tech-campus-2nd-step2 · Jul 30, 2024 · 3207489 · 3207489
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diff --git a/README.md b/README.md
@@ -15,6 +15,6 @@
 - 코드 컨벤션을 준수하며 프로그래밍한다.
 ## 구현할 기능 목록
 ### 1단계 기능
-- [ ] 스플래시 화면 구현
-- [ ] Remote Config 값 불러와 비교하기
-- [ ] 에러시 serviceMessage 출력
+- [x] 스플래시 화면 구현
+- [x] Remote Config 값 불러와 비교하기
+- [x] 에러시 serviceMessage 출력
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
@@ -5,6 +5,7 @@ plugins {
     id("org.jetbrains.kotlin.android")
     id("kotlin-kapt")
     id("com.google.dagger.hilt.android")
+    id("com.google.gms.google-services")
 }
 
 android {
@@ -68,6 +69,9 @@ dependencies {
     implementation("androidx.test:core-ktx:1.5.0")
     implementation("androidx.activity:activity-ktx:1.9.0")
     implementation("androidx.test.espresso:espresso-contrib:3.6.1")
+    implementation("androidx.activity:activity:1.8.0")
+    implementation("com.google.firebase:firebase-config-ktx:22.0.0")
+    implementation("com.google.firebase:firebase-common-ktx:21.0.0")
     androidTestImplementation("androidx.test:core:1.5.0")
     testImplementation("junit:junit:4.13.2")
     testImplementation("io.mockk:mockk-android:1.13.11")
@@ -91,6 +95,8 @@ dependencies {
 
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.3")
 
+    implementation(platform("com.google.firebase:firebase-bom:33.1.2"))
+
 }
 
 kapt {

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -19,20 +19,23 @@
         android:usesCleartextTraffic="true"
         tools:targetApi="31">
         <activity
-            android:name=".presenter.view.ErrorActivity"
-            android:exported="false" />
-        <activity
-            android:name=".presenter.view.MapActivity"
+            android:name=".presenter.view.SplashActivity"
             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=".presenter.view.ErrorActivity"
+            android:exported="false" />
+        <activity
+            android:name=".presenter.view.MapActivity"
+            android:exported="false"/>
         <activity
             android:name=".presenter.view.PlaceSearchActivity"
-            android:exported="false"></activity>
+            android:exported="false" />
     </application>
 
 </manifest>
diff --git a/app/src/main/java/campus/tech/kakao/map/base/BindingAdapter.kt b/app/src/main/java/campus/tech/kakao/map/base/BindingAdapter.kt
@@ -5,6 +5,7 @@ import android.view.View
 import android.widget.TextView
 import androidx.databinding.BindingAdapter
 import campus.tech.kakao.map.R
+import campus.tech.kakao.map.domain.vo.ServiceState
 import campus.tech.kakao.map.presenter.view.MapActivity
 
 @BindingAdapter("visibleGone")
@@ -19,3 +20,8 @@ fun setErrorTest(view: TextView, type: ErrorEnum){
         else -> view.resources.getString(R.string.else_error)
     }
 }
+
+@BindingAdapter("splashErrorVisible")
+fun isError(view: TextView, serviceState: ServiceState){
+    view.visibility = if(serviceState == ServiceState.ON_SERVICE) View.GONE else View.VISIBLE
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/data/ConfigRepositoryImpl.kt b/app/src/main/java/campus/tech/kakao/map/data/ConfigRepositoryImpl.kt
@@ -0,0 +1,13 @@
+package campus.tech.kakao.map.data
+
+import campus.tech.kakao.map.data.datasource.Local.Entity.toVO
+import campus.tech.kakao.map.data.datasource.Remote.ConfigService
+import campus.tech.kakao.map.domain.ConfigRepository
+import campus.tech.kakao.map.domain.vo.Config
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+
+class ConfigRepositoryImpl @Inject constructor(private val configService: ConfigService) : ConfigRepository{
+    override suspend fun getConfig(): Config = withContext(Dispatchers.IO){ configService.getConfig().toVO() }
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/data/datasource/Local/Entity/ConfigEntity.kt b/app/src/main/java/campus/tech/kakao/map/data/datasource/Local/Entity/ConfigEntity.kt
@@ -0,0 +1,23 @@
+package campus.tech.kakao.map.data.datasource.Local.Entity
+
+import campus.tech.kakao.map.domain.vo.Config
+import campus.tech.kakao.map.domain.vo.ServiceState
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig.DEFAULT_VALUE_FOR_STRING
+
+data class ConfigEntity(
+    val serviceState : String,
+    val serviceMessage : String
+)
+
+fun ConfigEntity.toVO() : Config =
+    Config(
+        mapServiceState(serviceState),
+        if(serviceMessage != DEFAULT_VALUE_FOR_STRING) serviceMessage else "unknown"
+    )
+
+fun mapServiceState(serviceState: String): ServiceState =
+    when(serviceState) {
+        "ON_SERVICE" -> ServiceState.ON_SERVICE
+        "OUT_OF_ORDER" -> ServiceState.OUT_OF_ORDER
+        else -> ServiceState.ELSE
+    }
diff --git a/app/src/main/java/campus/tech/kakao/map/data/datasource/Remote/ConfigService.kt b/app/src/main/java/campus/tech/kakao/map/data/datasource/Remote/ConfigService.kt
@@ -0,0 +1,33 @@
+package campus.tech.kakao.map.data.datasource.Remote
+
+import campus.tech.kakao.map.R
+import campus.tech.kakao.map.data.datasource.Local.Entity.ConfigEntity
+import campus.tech.kakao.map.domain.vo.ServiceState
+import com.google.firebase.Firebase
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig
+import com.google.firebase.remoteconfig.ktx.remoteConfigSettings
+import com.google.firebase.remoteconfig.remoteConfig
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.tasks.asDeferred
+import kotlinx.coroutines.tasks.await
+import kotlinx.coroutines.withContext
+
+class ConfigService {
+    private val remoteConfig: FirebaseRemoteConfig = Firebase.remoteConfig
+    private val configSettings = remoteConfigSettings {
+        minimumFetchIntervalInSeconds = 0
+    }
+
+    init{
+        remoteConfig.setConfigSettingsAsync(configSettings)
+    }
+
+    suspend fun getConfig() : ConfigEntity = withContext(Dispatchers.IO){
+        remoteConfig.fetchAndActivate().await()
+        ConfigEntity(
+            remoteConfig.getString("serviceState"),
+            remoteConfig.getString("serviceMessage")
+        )
+    }
+
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/data/di/ConfigModule.kt b/app/src/main/java/campus/tech/kakao/map/data/di/ConfigModule.kt
@@ -0,0 +1,32 @@
+package campus.tech.kakao.map.data.di
+
+import android.content.SharedPreferences
+import campus.tech.kakao.map.data.ConfigRepositoryImpl
+import campus.tech.kakao.map.data.PlaceRepositoryImpl
+import campus.tech.kakao.map.data.datasource.Local.DB.RoomDB
+import campus.tech.kakao.map.data.datasource.Remote.ConfigService
+import campus.tech.kakao.map.data.datasource.Remote.RemoteService
+import campus.tech.kakao.map.data.datasource.Remote.RetrofitService
+import campus.tech.kakao.map.domain.ConfigRepository
+import campus.tech.kakao.map.domain.PlaceRepository
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object ConfigModule {
+
+    @Provides
+    @Singleton
+    fun provideConfigRepository(
+        configService: ConfigService
+    ) : ConfigRepository =
+        ConfigRepositoryImpl(configService)
+
+    @Provides
+    @Singleton
+    fun provideConfigService() : ConfigService = ConfigService()
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/domain/ConfigRepository.kt b/app/src/main/java/campus/tech/kakao/map/domain/ConfigRepository.kt
@@ -0,0 +1,7 @@
+package campus.tech.kakao.map.domain
+
+import campus.tech.kakao.map.domain.vo.Config
+
+interface ConfigRepository {
+    suspend fun getConfig() : Config
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/domain/vo/Config.kt b/app/src/main/java/campus/tech/kakao/map/domain/vo/Config.kt
@@ -0,0 +1,6 @@
+package campus.tech.kakao.map.domain.vo
+
+data class Config(
+    val serviceState : ServiceState,
+    val serviceMessage : String
+)
diff --git a/app/src/main/java/campus/tech/kakao/map/domain/vo/ServiceState.kt b/app/src/main/java/campus/tech/kakao/map/domain/vo/ServiceState.kt
@@ -0,0 +1,5 @@
+package campus.tech.kakao.map.domain.vo
+
+enum class ServiceState {
+    ON_SERVICE,LOADING,OUT_OF_ORDER,ELSE
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/presenter/view/SplashActivity.kt b/app/src/main/java/campus/tech/kakao/map/presenter/view/SplashActivity.kt
@@ -0,0 +1,45 @@
+package campus.tech.kakao.map.presenter.view
+
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import androidx.activity.enableEdgeToEdge
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.databinding.DataBindingUtil
+import campus.tech.kakao.map.R
+import campus.tech.kakao.map.databinding.ActivitySplashBinding
+import campus.tech.kakao.map.domain.vo.ServiceState
+import campus.tech.kakao.map.presenter.viewModel.MapViewModel
+import campus.tech.kakao.map.presenter.viewModel.SplashViewModel
+import com.google.firebase.Firebase
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig
+import com.google.firebase.remoteconfig.get
+import com.google.firebase.remoteconfig.ktx.remoteConfigSettings
+import com.google.firebase.remoteconfig.remoteConfig
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class SplashActivity : AppCompatActivity() {
+    private val viewModel: SplashViewModel by viewModels()
+    private lateinit var binding: ActivitySplashBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_splash)
+
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_splash)
+        binding.lifecycleOwner = this
+        binding.viewModel = viewModel
+
+        viewModel.config.observe(this){
+            if(it.serviceState == ServiceState.ON_SERVICE){
+                startActivity(Intent(this,MapActivity::class.java))
+            }
+        }
+    }
+
+
+}
diff --git a/app/src/main/java/campus/tech/kakao/map/presenter/viewModel/SplashViewModel.kt b/app/src/main/java/campus/tech/kakao/map/presenter/viewModel/SplashViewModel.kt
@@ -0,0 +1,29 @@
+package campus.tech.kakao.map.presenter.viewModel
+
+import android.util.Log
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import campus.tech.kakao.map.domain.ConfigRepository
+import campus.tech.kakao.map.domain.vo.Config
+import campus.tech.kakao.map.domain.vo.ServiceState
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class SplashViewModel @Inject constructor(
+    private val configRepository: ConfigRepository
+) : ViewModel() {
+    private val _config: MutableLiveData<Config> = MutableLiveData(
+        Config(serviceState = ServiceState.LOADING, serviceMessage = "Loading...")
+    )
+    val config: LiveData<Config> = _config
+
+    init {
+        viewModelScope.launch {
+            _config.postValue(configRepository.getConfig())
+        }
+    }
+}
diff --git a/app/src/main/res/layout/activity_splash.xml b/app/src/main/res/layout/activity_splash.xml
@@ -0,0 +1,38 @@
+<?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">
+    <data>
+        <variable
+            name="viewModel"
+            type="campus.tech.kakao.map.presenter.viewModel.SplashViewModel" />
+    </data>
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/main"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".presenter.view.SplashActivity">
+
+        <ImageView
+            android:id="@+id/img"
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:src="@drawable/place_image"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"/>
+
+        <TextView
+            android:id="@+id/errorText"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="@dimen/normal_100"
+            splashErrorVisible="@{viewModel.config.serviceState}"
+            text="@{viewModel.config.serviceMessage}"
+            app:layout_constraintTop_toBottomOf="@+id/img"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/xml/remote_config_defaults.xml b/app/src/main/res/xml/remote_config_defaults.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<defaults>
+  <entry>
+    <key>serviceMessage</key>
+    <value>서버 점검 중입니다. 나중에 다시 시도해 주세요.</value>
+  </entry>
+  <entry>
+    <key>serviceState</key>
+    <value>ON_SERVICE</value>
+  </entry>
+</defaults>
diff --git a/build.gradle.kts b/build.gradle.kts
@@ -4,6 +4,7 @@ plugins {
     id("org.jetbrains.kotlin.android") version "1.9.0" apply false
     id("org.jlleitschuh.gradle.ktlint") version "12.1.0" apply false
     id("com.google.dagger.hilt.android") version "2.48.1" apply false
+    id("com.google.gms.google-services") version "4.4.2" apply false
 }
 
 allprojects {