[#30] 로그인 기능 추가

app/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
     id 'kotlin-kapt'
+    id 'kotlin-parcelize'
     id 'com.google.gms.google-services'
     id 'com.google.firebase.crashlytics'
     id 'dagger.hilt.android.plugin'
@@ -22,6 +23,7 @@ android {
         def localProperties = new Properties()
         localProperties.load(rootProject.file('./local.properties').newDataInputStream())
         buildConfigField("String", "BASE_URL", localProperties['baseUrl'])
+        buildConfigField("String", "WEB_CLIENT_ID", localProperties["webClientId"])
     }
 
     signingConfigs {
@@ -65,6 +67,7 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+
     buildFeatures {
         viewBinding true
     }
@@ -78,17 +81,27 @@ dependencies {
 
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'androidx.activity:activity-ktx:1.4.0'
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2"
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
+    // Lifecycle
+    def lifecycle_version = '2.4.1'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
+
     // Firebase
     implementation platform('com.google.firebase:firebase-bom:29.2.0')
     implementation 'com.google.firebase:firebase-analytics-ktx'
     implementation 'com.google.firebase:firebase-crashlytics-ktx'
 
+    // Google Login
+    implementation 'com.google.android.gms:play-services-auth:20.1.0'
+
     // Hilt
     implementation "com.google.dagger:hilt-android:$hilt_version"
     kapt "com.google.dagger:hilt-android-compiler:$hilt_version"

app/src/main/AndroidManifest.xml

@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.moyerun.moyeorun_android">
 
-    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.INTERNET" />
 
     <application
         android:name=".MoyeoRunApplication"
@@ -11,16 +11,23 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.MoyeoRunandroid">
+        android:theme="@style/Theme.MoyeoRunandroid"
+        android:usesCleartextTraffic="true">
         <activity
-            android:name=".MainActivity"
+            android:name=".profile.ui.ProfileEditActivity"
+            android:exported="false" />
+        <activity
+            android:name=".login.ui.LoginActivity"
             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=".MainActivity"
+            android:exported="false" />
     </application>
 
 </manifest>

app/src/main/java/com/moyerun/moyeorun_android/MainActivity.kt

@@ -1,7 +1,7 @@
 package com.moyerun.moyeorun_android
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.fragment.findNavController

app/src/main/java/com/moyerun/moyeorun_android/common/EventLiveData.kt

@@ -0,0 +1,65 @@
+package com.moyerun.moyeorun_android.common
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.Observer
+
+typealias EventLiveData<T> = LiveData<Event<T>>
+
+class MutableEventLiveData<T> : MutableLiveData<Event<T>>() {
+
+    var event: T?
+        @Deprecated("getter is NOT supported!", level = DeprecationLevel.ERROR)
+        get() = throw UnsupportedOperationException()
+        set(value) {
+            if (value != null) {
+                setValue(Event(value))
+            }
+        }
+
+    fun postEvent(value: T?) {
+        if (value != null) {
+            postValue(Event(value))
+        }
+    }
+}
+
+/**
+ * Used as a wrapper for data that is exposed via a LiveData that represents an event.
+ */
+open class Event<out T>(private val content: T) {
+
+    var hasBeenHandled = false
+        private set // Allow external read but not write
+
+    /**
+     * Returns the content and prevents its use again.
+     */
+    fun getContentIfNotHandled(): T? {
+        return if (hasBeenHandled) {
+            null
+        } else {
+            hasBeenHandled = true
+            content
+        }
+    }
+
+    /**
+     * Returns the content, even if it's already been handled.
+     */
+    fun peekContent(): T = content
+}
+
+/**
+ * An [Observer] for [Event]s, simplifying the pattern of checking if the [Event]'s content has
+ * already been handled.
+ *
+ * [onEventUnhandledContent] is *only* called if the [Event]'s contents has not been handled.
+ */
+class EventObserver<T>(private val onEventUnhandledContent: (T) -> Unit) : Observer<Event<T>> {
+    override fun onChanged(event: Event<T>?) {
+        event?.getContentIfNotHandled()?.let { value ->
+            onEventUnhandledContent(value)
+        }
+    }
+}

app/src/main/java/com/moyerun/moyeorun_android/common/di/CoroutineDispatcherModule.kt

@@ -0,0 +1,28 @@
+package com.moyerun.moyeorun_android.common.di
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import javax.inject.Qualifier
+
+@Qualifier
+annotation class IODispatcher
+
+@Qualifier
+annotation class DefaultDispatcher
+
+@InstallIn(SingletonComponent::class)
+@Module
+object CoroutineDispatcherModule {
+
+    @IODispatcher
+    @Provides
+    fun provideIODispatcher(): CoroutineDispatcher = Dispatchers.IO
+
+    @DefaultDispatcher
+    @Provides
+    fun provideDefaultDispatcher(): CoroutineDispatcher = Dispatchers.Default
+}

app/src/main/java/com/moyerun/moyeorun_android/common/dialog/RoundDialogFragment.kt

@@ -9,7 +9,7 @@ import android.view.Window
 import androidx.fragment.app.DialogFragment
 import com.moyerun.moyeorun_android.common.extension.isActivityDestroyed
 
-open class RoundDialogFragment : DialogFragment() {
+abstract class RoundDialogFragment : DialogFragment() {
 
     private var dismissOnPause = false
 

app/src/main/java/com/moyerun/moyeorun_android/common/exceptions/ApiException.kt

@@ -2,10 +2,14 @@ package com.moyerun.moyeorun_android.common.exceptions
 
 import com.moyerun.moyeorun_android.network.api.Error
 
-class ApiException(val url: String, val error: Error) : RuntimeException() {
+open class ApiException(val url: String, val error: Error) : RuntimeException() {
     val case: String
         get() = error.case
 
     override val message: String?
         get() = error.message
+
+    override fun toString(): String {
+        return "${super.toString()} url: $url, error: $error"
+    }
 }

app/src/main/java/com/moyerun/moyeorun_android/common/extension/ActivityExtension.kt

@@ -4,6 +4,15 @@ import android.app.Activity
 import android.widget.Toast
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.FragmentActivity
+import androidx.activity.ComponentActivity
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.moyerun.moyeorun_android.R
+import com.moyerun.moyeorun_android.common.EventLiveData
+import com.moyerun.moyeorun_android.common.EventObserver
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 
 fun Activity.toast(msg: String, isShort: Boolean = true) {
     Toast.makeText(this, msg, if (isShort) Toast.LENGTH_SHORT else Toast.LENGTH_LONG).show()
@@ -14,4 +23,19 @@ inline fun FragmentActivity.showAllowingStateLoss(
     dialogFragmentFactory: () -> DialogFragment
 ) {
     supportFragmentManager.showAllowingStateLoss(tag, dialogFragmentFactory)
+}
+
+fun Activity.showNetworkErrorToast() {
+    toast(getString(R.string.toast_network_error))
+}
+
+fun ComponentActivity.repeatOnStart(block: suspend CoroutineScope.() -> Unit) {
+    lifecycleScope.launch { repeatOnLifecycle(Lifecycle.State.STARTED, block) }
+}
+
+fun <T> ComponentActivity.observeEvent(
+    event: EventLiveData<T>,
+    onEventUnhandledContent: (T) -> Unit
+) {
+    event.observe(this, EventObserver(onEventUnhandledContent))
 }

app/src/main/java/com/moyerun/moyeorun_android/common/extension/FirebaseExctension.kt

@@ -21,7 +21,7 @@ fun FirebaseCrashlytics.recordException(logLevel: LogLevel, message: String, thr
 class FirebaseLogException : Exception {
     constructor(logLevel: LogLevel, message: String) : super("$logLevel : $message")
 
-    constructor(logLevel: LogLevel, cause: Throwable) : super(logLevel.toString(), cause)
+    constructor(logLevel: LogLevel, cause: Throwable) : super("$logLevel : $cause", cause)
 
     constructor(
         logLevel: LogLevel,

app/src/main/java/com/moyerun/moyeorun_android/common/extension/FragmentExtension.kt

@@ -4,6 +4,14 @@ import android.widget.Toast
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.moyerun.moyeorun_android.R
+import com.moyerun.moyeorun_android.common.EventLiveData
+import com.moyerun.moyeorun_android.common.EventObserver
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 
 fun Fragment.toast(msg: String, isShort: Boolean = false) {
     Toast.makeText(context, msg, if (isShort) Toast.LENGTH_SHORT else Toast.LENGTH_LONG).show()
@@ -19,4 +27,18 @@ inline fun FragmentManager?.showAllowingStateLoss(
     val transaction = beginTransaction()
     transaction.add(dialogFragmentFactory(), tag)
     transaction.commitAllowingStateLoss()
+}
+
+fun Fragment.showNetworkErrorToast() {
+    toast(getString(R.string.toast_network_error))
+}
+
+fun Fragment.repeatOnStart(block: suspend CoroutineScope.() -> Unit) {
+    viewLifecycleOwner.lifecycleScope.launch {
+        viewLifecycleOwner.lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED, block)
+    }
+}
+
+fun <T> Fragment.observeEvent(event: EventLiveData<T>, onEventUnhandledContent: (T) -> Unit) {
+    event.observe(viewLifecycleOwner, EventObserver(onEventUnhandledContent))
 }

app/src/main/java/com/moyerun/moyeorun_android/common/extension/ViewExtension.kt

@@ -1,6 +1,8 @@
 package com.moyerun.moyeorun_android.common.extension
 
 import android.view.View
+import android.widget.RadioButton
+import android.widget.TextView
 
 fun View.setOnDebounceClickListener(interval: Long = 1000L, action: (View?) -> Unit) {
     val debounceClickListener = object : View.OnClickListener {
@@ -16,4 +18,17 @@ fun View.setOnDebounceClickListener(interval: Long = 1000L, action: (View?) -> U
         }
     }
     setOnClickListener(debounceClickListener)
+}
+
+fun TextView.setTextIfNew(text: CharSequence?) {
+    if (this.text.contentEquals(text).not()) {
+        setText(text)
+    }
+}
+
+fun RadioButton.setCheckIfNew(check: Boolean) {
+    val oldValue = isChecked
+    if (oldValue != check) {
+        isChecked = check
+    }
 }

app/src/main/java/com/moyerun/moyeorun_android/login/AuthException.kt

@@ -0,0 +1,6 @@
+package com.moyerun.moyeorun_android.login
+
+import com.moyerun.moyeorun_android.common.exceptions.ApiException
+import com.moyerun.moyeorun_android.network.api.Error
+
+class AuthException(url: String, error: Error): ApiException(url, error)

app/src/main/java/com/moyerun/moyeorun_android/login/ProviderType.kt

@@ -0,0 +1,9 @@
+package com.moyerun.moyeorun_android.login
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+enum class ProviderType : Parcelable {
+    GOOGLE
+}

app/src/main/java/com/moyerun/moyeorun_android/login/SignUpMetaData.kt

@@ -0,0 +1,16 @@
+package com.moyerun.moyeorun_android.login
+
+import android.os.Parcelable
+import com.moyerun.moyeorun_android.login.ProviderType
+import kotlinx.parcelize.Parcelize
+
+/**
+ * 회원가입을 위해 프로필 설정 화면으로 진입 시
+ * 회원가입 API 호출에 필요한 메타 데이터를 전달하기 위한
+ * DataHolder
+ */
+@Parcelize
+data class SignUpMetaData(
+    val idToken: String,
+    val providerType: ProviderType
+) : Parcelable

app/src/main/java/com/moyerun/moyeorun_android/login/data/AuthModule.kt

@@ -0,0 +1,15 @@
+package com.moyerun.moyeorun_android.login.data
+
+import com.moyerun.moyeorun_android.login.data.impl.AuthRepositoryImpl
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ViewModelComponent
+
+@Module
+@InstallIn(ViewModelComponent::class)
+abstract class AuthModule {
+
+    @Binds
+    abstract fun bindsAuthRepository(repository: AuthRepositoryImpl): AuthRepository
+}

app/src/main/java/com/moyerun/moyeorun_android/login/data/AuthRepository.kt

@@ -0,0 +1,16 @@
+package com.moyerun.moyeorun_android.login.data
+
+import com.moyerun.moyeorun_android.login.ProviderType
+import com.moyerun.moyeorun_android.login.data.model.SignInResponse
+import com.moyerun.moyeorun_android.login.data.model.SignUpRequest
+import com.moyerun.moyeorun_android.network.api.Success
+import com.moyerun.moyeorun_android.network.calladapter.ApiResult
+
+interface AuthRepository {
+    suspend fun signIn(
+        idToken: String,
+        providerType: ProviderType
+    ): ApiResult<SignInResponse>
+
+    suspend fun signUp(signUpRequest: SignUpRequest): ApiResult<SignInResponse>
+}