feat: 클라이언트단 카카오 로그인 구현

app/build.gradle.kts

@@ -1,14 +1,27 @@
 @file:Suppress("INLINE_FROM_HIGHER_PLATFORM")
 
+import com.android.build.gradle.internal.cxx.configure.gradleLocalProperties
+import java.io.FileInputStream
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.booket.android.application)
     alias(libs.plugins.booket.android.application.compose)
     alias(libs.plugins.booket.android.hilt)
 }
 
+val localPropertiesFile = rootProject.file("local.properties")
+val localProperties = Properties()
+localProperties.load(FileInputStream(localPropertiesFile))
+
 android {
     namespace = "com.ninecraft.booket"
 
+    defaultConfig {
+        buildConfigField("String", "KAKAO_NATIVE_APP_KEY", getApiKey("KAKAO_NATIVE_APP_KEY"))
+        manifestPlaceholders["KAKAO_NATIVE_APP_KEY"] = (localProperties["KAKAO_NATIVE_APP_KEY"] as String).trim('"')
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = false
@@ -40,9 +53,14 @@ dependencies {
         libs.androidx.activity.compose,
         libs.androidx.startup,
         libs.logger,
+        libs.kakao.auth,
 
         libs.bundles.circuit,
     )
     api(libs.circuit.codegen.annotation)
     ksp(libs.circuit.codegen.ksp)
 }
+
+fun getApiKey(propertyKey: String): String {
+    return gradleLocalProperties(rootDir, providers).getProperty(propertyKey)
+}

app/proguard-rules.pro

@@ -18,4 +18,20 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+#-renamesourcefileattribute SourceFile
+
+# Kakao Login
+-keep class com.kakao.sdk.**.model.* { <fields>; }
+
+# https://github.com/square/okhttp/pull/6792
+-dontwarn org.bouncycastle.jsse.**
+-dontwarn org.conscrypt.*
+-dontwarn org.openjsse.**
+
+# refrofit2 (with r8 full mode)
+-if interface * { @retrofit2.http.* <methods>; }
+-keep,allowobfuscation interface <1>
+-keep,allowobfuscation,allowshrinking class kotlin.coroutines.Continuation
+-if interface * { @retrofit2.http.* public *** *(...); }
+-keep,allowoptimization,allowshrinking,allowobfuscation class <3>
+-keep,allowobfuscation,allowshrinking class retrofit2.Response

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:name=".BooketApplication"
         android:allowBackup="true"
@@ -24,8 +26,30 @@
                 android:name="com.ninecraft.booket.initializer.LoggerInitializer"
                 android:value="androidx.startup" />
 
+            <meta-data
+                android:name="com.ninecraft.booket.initializer.KakaoSdkInitializer"
+                android:value="androidx.startup" />
+
         </provider>
 
+        <activity
+            android:name="com.kakao.sdk.auth.AuthCodeHandlerActivity"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="oauth"
+                    android:scheme="kakao${KAKAO_NATIVE_APP_KEY}" />
+
+            </intent-filter>
+
+        </activity>
+
     </application>
 
 </manifest>

app/src/main/kotlin/com/ninecraft/booket/initializer/KakaoSdkInitializer.kt

@@ -0,0 +1,17 @@
+package com.ninecraft.booket.initializer
+
+import android.content.Context
+import androidx.startup.Initializer
+import com.kakao.sdk.common.KakaoSdk
+import com.ninecraft.booket.BuildConfig
+
+class KakaoSdkInitializer : Initializer<Unit> {
+
+    override fun create(context: Context) {
+        KakaoSdk.init(context, BuildConfig.KAKAO_NATIVE_APP_KEY)
+    }
+
+    override fun dependencies(): List<Class<out Initializer<*>>> {
+        return emptyList()
+    }
+}

build-logic/src/main/kotlin/AndroidFeatureConventionPlugin.kt

@@ -19,6 +19,7 @@ internal class AndroidFeatureConventionPlugin : Plugin<Project> {
 
             dependencies {
                 implementation(project(path = ":core:designsystem"))
+                implementation(project(path = ":core:ui"))
 
                 implementation(libs.bundles.circuit)
 

core/designsystem/src/main/kotlin/com/ninecraft/booket/core/designsystem/theme/Color.kt

@@ -9,3 +9,5 @@ val Pink80 = Color(0xFFEFB8C8)
 val Purple40 = Color(0xFF6650a4)
 val PurpleGrey40 = Color(0xFF625b71)
 val Pink40 = Color(0xFF7D5260)
+
+val Kakao = Color(0xFFFBD300)

core/designsystem/src/main/res/values/strings.xml

@@ -1,3 +1,6 @@
 <resources>
     <string name="app_name">Booket</string>
+    <string name="network_error_message">네트워크 연결이 불안해요.\n잠시후 다시 이용해주세요.</string>
+    <string name="server_error_message">이용에 불편을 드려 죄송합니다.\n잠시후 다시 이용해주세요.</string>
+    <string name="unknown_error_message">알 수 없는 오류가 발생하였습니다.</string>
 </resources>

core/network/build.gradle.kts

@@ -17,11 +17,11 @@ android {
     }
 
     buildTypes {
-        getByName("debug") {
+        debug {
             buildConfigField("String", "SERVER_BASE_URL", getServerBaseUrl("DEBUG_SERVER_BASE_URL"))
         }
 
-        getByName("release") {
+        release {
             buildConfigField("String", "SERVER_BASE_URL", getServerBaseUrl("RELEASE_SERVER_BASE_URL"))
         }
     }

core/ui/.gitignore

@@ -0,0 +1 @@
+/build

core/ui/build.gradle.kts

@@ -0,0 +1,18 @@
+@file:Suppress("INLINE_FROM_HIGHER_PLATFORM")
+
+plugins {
+    alias(libs.plugins.booket.android.library)
+    alias(libs.plugins.booket.android.library.compose)
+}
+
+android {
+    namespace = "com.ninecraft.booket.core.ui"
+}
+
+dependencies {
+    implementations(
+        projects.core.designsystem,
+
+        libs.logger,
+    )
+}

core/ui/src/main/kotlin/com/ninecraft/booket/core/ui/component/Button.kt

@@ -0,0 +1,111 @@
+package com.ninecraft.booket.core.ui.component
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.sizeIn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import com.ninecraft.booket.core.designsystem.ComponentPreview
+import com.ninecraft.booket.core.designsystem.theme.BooketTheme
+
+@Composable
+fun BooketButton(
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    containerColor: Color = MaterialTheme.colorScheme.primaryContainer,
+    contentColor: Color = MaterialTheme.colorScheme.onPrimaryContainer,
+    disabledContainerColor: Color = MaterialTheme.colorScheme.tertiaryContainer,
+    disabledContentColor: Color = MaterialTheme.colorScheme.onTertiaryContainer,
+    text: @Composable () -> Unit,
+    leadingIcon: @Composable (() -> Unit)? = null,
+) {
+    Button(
+        onClick = onClick,
+        modifier = modifier,
+        enabled = enabled,
+        shape = RoundedCornerShape(12.dp),
+        colors = ButtonDefaults.buttonColors(
+            containerColor = containerColor,
+            contentColor = contentColor,
+            disabledContainerColor = disabledContainerColor,
+            disabledContentColor = disabledContentColor,
+        ),
+        contentPadding = if (leadingIcon != null) {
+            ButtonDefaults.ButtonWithIconContentPadding
+        } else {
+            ButtonDefaults.ContentPadding
+        },
+    ) {
+        TogetherButtonContent(
+            text = text,
+            leadingIcon = leadingIcon,
+        )
+    }
+}
+
+@Composable
+private fun TogetherButtonContent(
+    text: @Composable () -> Unit,
+    leadingIcon: @Composable (() -> Unit)? = null,
+) {
+    if (leadingIcon != null) {
+        Box(Modifier.sizeIn(maxHeight = ButtonDefaults.IconSize)) {
+            leadingIcon()
+        }
+    }
+    Box(
+        Modifier.padding(
+            start = if (leadingIcon != null) {
+                ButtonDefaults.IconSpacing
+            } else {
+                0.dp
+            },
+        ),
+    ) {
+        text()
+    }
+}
+
+@ComponentPreview
+@Composable
+private fun TogetherButtonPreview() {
+    BooketTheme {
+        BooketButton(
+            onClick = {},
+            text = {
+                Text(text = "Button")
+            },
+        )
+    }
+}
+
+@ComponentPreview
+@Composable
+private fun TogetherButtonWithLeadingIconPreview() {
+    BooketTheme {
+        BooketButton(
+            onClick = {},
+            text = {
+                Text("Check Button")
+            },
+            leadingIcon = {
+                Icon(
+                    imageVector = Icons.Default.Check,
+                    contentDescription = "Check icon",
+                    tint = Color.White,
+                )
+            },
+        )
+    }
+}

feature/login/.gitignore

@@ -0,0 +1 @@
+/build

feature/login/build.gradle.kts

@@ -0,0 +1,28 @@
+@file:Suppress("INLINE_FROM_HIGHER_PLATFORM")
+
+plugins {
+    alias(libs.plugins.booket.android.feature)
+    alias(libs.plugins.kotlin.serialization)
+    alias(libs.plugins.kotlin.parcelize)
+}
+
+android {
+    namespace = "com.ninecraft.booket.feature.login"
+
+    buildFeatures {
+        buildConfig = true
+    }
+}
+
+ksp {
+    arg("circuit.codegen.mode", "hilt")
+}
+
+dependencies {
+    implementations(
+        projects.feature.home,
+
+        libs.logger,
+        libs.kakao.auth,
+    )
+}

feature/login/src/main/kotlin/com/ninecraft/booket/feature/login/HandleLoginSideEffects.kt

@@ -0,0 +1,42 @@
+package com.ninecraft.booket.feature.login
+
+import android.widget.Toast
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalContext
+
+@Composable
+internal fun HandleLoginEffects(
+    state: LoginScreen.State,
+    eventSink: (LoginScreen.Event) -> Unit,
+) {
+    val context = LocalContext.current
+    val kakaoAuthClient = remember { KakaoAuthClient() }
+
+    LaunchedEffect(state.sideEffect) {
+        when (state.sideEffect) {
+            is LoginScreen.SideEffect.KakaoLogin -> {
+                kakaoAuthClient.loginWithKakao(
+                    context = context,
+                    onSuccess = { token ->
+                        eventSink(LoginScreen.Event.LoginSuccess(token))
+                    },
+                    onFailure = { errorMessage ->
+                        eventSink(LoginScreen.Event.LoginFailure(errorMessage))
+                    },
+                )
+            }
+
+            is LoginScreen.SideEffect.ShowToast -> {
+                Toast.makeText(context, state.sideEffect.message, Toast.LENGTH_SHORT).show()
+            }
+
+            null -> {}
+        }
+    }
+
+    if (state.sideEffect != null) {
+        eventSink(LoginScreen.Event.InitSideEffect)
+    }
+}