최종 기능 구현

app/build.gradle.kts

@@ -4,6 +4,8 @@ plugins {
     alias(libs.plugins.androidApplication)
     alias(libs.plugins.jetbrainsKotlinAndroid)
     id("kotlin-kapt")
+    id("com.google.gms.google-services")
+
 }
 
 android {
@@ -51,6 +53,14 @@ dependencies {
     // SendBird 라이브러리 추가
     implementation(libs.sendbird.chat)
 
+    // Firebase 라이브러리 추가
+    implementation(platform("com.google.firebase:firebase-bom:33.1.2"))
+    implementation("com.google.firebase:firebase-analytics")
+
+    // Firebase Database 라이브러리 추가
+    implementation(platform("com.google.firebase:firebase-bom:32.3.1"))
+    implementation("com.google.firebase:firebase-database-ktx")
+
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)

app/google-services.json

@@ -0,0 +1,29 @@
+{
+  "project_info": {
+    "project_number": "878525628040",
+    "project_id": "manolja-ef51e",
+    "storage_bucket": "manolja-ef51e.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:878525628040:android:d0bb43763de81365eba93d",
+        "android_client_info": {
+          "package_name": "com.example.manolja"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAlWZzeOgPSr_KOxMBDFCeMVhWeWBnCNBs"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:name=".MyApplication"
         android:allowBackup="true"
@@ -12,9 +13,16 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Manolja"
+        android:theme="@style/AppTheme"
         tools:targetApi="31">
-
+        <activity
+            android:name=".ui.activity.ChatActivity"
+            android:exported="false">
+        </activity>
+        <activity
+            android:name=".ui.activity.CertActivity"
+            android:exported="false">
+        </activity>
         <activity
             android:name=".ui.activity.MainActivity"
             android:exported="true">

app/src/main/java/com/example/manolja/data/Coupon.kt

@@ -0,0 +1,8 @@
+package com.example.manolja.data
+
+data class Coupon(
+    val name: String,
+    val location: String,
+    val discount: String,
+    val content: String
+)

app/src/main/java/com/example/manolja/data/Message.kt

@@ -0,0 +1,8 @@
+package com.example.manolja.data
+
+data class Message(
+    val sender: String = "",
+    val text: String = "",
+    val timestamp: Long = System.currentTimeMillis(),
+    val isCurrentUser: Boolean = false
+)

app/src/main/java/com/example/manolja/data/Quest.kt

@@ -0,0 +1,7 @@
+package com.example.manolja.data
+
+data class Quest(
+    val name: String,
+    val location: String,
+    val reward: String
+)

app/src/main/java/data/RecordItem.kt → app/src/main/java/com/example/manolja/data/RecordItem.kt

@@ -1,4 +1,4 @@
-package data
+package com.example.manolja.data
 
 data class RecordItem(
     val date: String,

app/src/main/java/com/example/manolja/domain/Coupon.kt

@@ -0,0 +1,8 @@
+package com.example.manolja.domain
+
+data class Coupon(
+    val name: String,
+    val location: String,
+    val discount: String,
+    val content: String
+)

app/src/main/java/com/example/manolja/domain/Message.kt

@@ -0,0 +1,8 @@
+package com.example.manolja.domain
+
+data class Message(
+    val sender: String = "",
+    val text: String = "",
+    val timestamp: Long = System.currentTimeMillis(),
+    val isCurrentUser: Boolean = false
+)

app/src/main/java/com/example/manolja/domain/Quest.kt

@@ -0,0 +1,7 @@
+package com.example.manolja.domain
+
+data class Quest(
+    val name: String,
+    val location: String,
+    val reward: String
+)

app/src/main/java/com/example/manolja/domain/RecordItem.kt

@@ -0,0 +1,7 @@
+package com.example.manolja.domain
+
+data class RecordItem(
+    val date: String,
+    var caption: String,
+    val imageUrl: String
+)

app/src/main/java/com/example/manolja/ui/activity/CertActivity.kt

@@ -0,0 +1,93 @@
+package com.example.manolja.ui.activity
+
+import android.app.ProgressDialog
+import android.content.Intent
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.provider.MediaStore
+import android.widget.Button
+import android.widget.ImageView
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.manolja.R
+import java.io.IOException
+
+class CertActivity : AppCompatActivity() {
+
+    private val PICK_IMAGE_REQUEST = 1
+    private lateinit var imageViewPreview: ImageView
+    private var imageUri: Uri? = null
+    private lateinit var progressDialog: ProgressDialog
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_cert)
+
+        imageViewPreview = findViewById(R.id.imageViewPreview)
+        val buttonUpload: Button = findViewById(R.id.buttonUpload)
+        val buttonConfirm: Button = findViewById(R.id.buttonConfirm)
+        val buttonCancel: Button = findViewById(R.id.buttonCancel)
+
+        // ProgressDialog 초기화
+        progressDialog = ProgressDialog(this).apply {
+            setMessage("인증 중...")
+            setCancelable(false)
+        }
+
+        // 사진 업로드 버튼 클릭 리스너
+        buttonUpload.setOnClickListener { openFileChooser() }
+
+        // 확인 버튼 클릭 리스너
+        buttonConfirm.setOnClickListener {
+            if (imageUri != null) {
+                // 로딩 창 표시
+                progressDialog.show()
+
+                // 사진 업로드 로직 구현 (예: 서버에 업로드)
+                // 여기서는 업로드가 완료된 후 로직을 직접 호출합니다.
+                uploadImageAndFinish()
+            } else {
+                Toast.makeText(this, "사진을 선택해 주세요.", Toast.LENGTH_SHORT).show()
+            }
+        }
+
+        // 취소 버튼 클릭 리스너
+        buttonCancel.setOnClickListener { finish() } // 액티비티 종료
+    }
+
+    private fun openFileChooser() {
+        val intent = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
+        intent.type = "image/*"
+        startActivityForResult(intent, PICK_IMAGE_REQUEST)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.data != null) {
+            imageUri = data.data
+            try {
+                val bitmap: Bitmap = MediaStore.Images.Media.getBitmap(contentResolver, imageUri)
+                imageViewPreview.setImageBitmap(bitmap)
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+        }
+    }
+
+    private fun uploadImageAndFinish() {
+        // 업로드 시뮬레이션을 위해 3초 지연
+        Handler(Looper.getMainLooper()).postDelayed({
+            // 로딩 창 닫기
+            progressDialog.dismiss()
+
+            // 결과 전달: 인증 성공
+            val resultIntent = Intent()
+            resultIntent.putExtra("upload_success", true)
+            setResult(RESULT_OK, resultIntent)
+            finish() // CertActivity 종료
+        }, 3000) // 3000ms = 3초
+    }
+}

app/src/main/java/com/example/manolja/ui/activity/ChatActivity.kt

@@ -0,0 +1,89 @@
+package com.example.manolja.ui.activity
+
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.example.manolja.R
+import com.example.manolja.domain.Message
+import com.example.manolja.ui.adapter.MessageAdapter
+import com.google.firebase.database.*
+
+class ChatActivity : AppCompatActivity() {
+
+    private lateinit var messageRecyclerView: RecyclerView
+    private lateinit var messageAdapter: MessageAdapter
+    private lateinit var messageInput: EditText
+    private lateinit var sendButton: Button
+
+    private lateinit var database: DatabaseReference
+    private lateinit var messages: MutableList<Message>
+    private val currentUser = "김정희"
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_chat)
+
+        messageRecyclerView = findViewById(R.id.message_recycler_view)
+        messageInput = findViewById(R.id.message_input)
+        sendButton = findViewById(R.id.send_button)
+
+        messages = mutableListOf()
+        messageAdapter = MessageAdapter(messages)
+        messageRecyclerView.layoutManager = LinearLayoutManager(this)
+        messageRecyclerView.adapter = messageAdapter
+
+        // Firebase 데이터베이스 참조 설정
+        database = FirebaseDatabase.getInstance().getReference("messages")
+
+        // 메시지 전송 버튼 클릭 리스너
+        sendButton.setOnClickListener {
+            val text = messageInput.text.toString().trim()
+            if (text.isNotEmpty()) {
+                sendMessage(text)
+            }
+        }
+
+        // Firebase 데이터베이스에서 메시지 불러오기
+        loadMessages()
+    }
+
+    private fun loadMessages() {
+        database.addChildEventListener(object : ChildEventListener {
+            override fun onChildAdded(snapshot: DataSnapshot, previousChildName: String?) {
+                val message = snapshot.getValue(Message::class.java)
+                message?.let {
+                    val isCurrentUser = it.sender == currentUser
+                    val newMessage = it.copy(isCurrentUser = isCurrentUser)
+                    messages.add(newMessage)
+                    messageAdapter.notifyItemInserted(messages.size - 1)
+                    messageRecyclerView.scrollToPosition(messages.size - 1)
+                }
+            }
+
+            override fun onChildChanged(snapshot: DataSnapshot, previousChildName: String?) {
+                // 메시지가 수정된 경우 처리
+            }
+
+            override fun onChildRemoved(snapshot: DataSnapshot) {
+                // 메시지가 삭제된 경우 처리
+            }
+
+            override fun onChildMoved(snapshot: DataSnapshot, previousChildName: String?) {
+                // 메시지가 이동된 경우 처리
+            }
+
+            override fun onCancelled(error: DatabaseError) {
+                // 데이터 로드 취소 시 처리할 코드
+            }
+        })
+    }
+
+    private fun sendMessage(text: String) {
+        val message = Message(sender = currentUser, text = text, isCurrentUser = true)
+        database.push().setValue(message)
+        messageInput.text.clear()
+    }
+}

app/src/main/java/com/example/manolja/ui/adapter/MessageAdapter.kt

@@ -0,0 +1,41 @@
+package com.example.manolja.ui.adapter
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.example.manolja.R
+import com.example.manolja.domain.Message
+
+class MessageAdapter(private val messages: List<Message>) : RecyclerView.Adapter<MessageAdapter.MessageViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MessageViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
+        return MessageViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: MessageViewHolder, position: Int) {
+        val message = messages[position]
+        holder.bind(message)
+    }
+
+    override fun getItemCount(): Int = messages.size
+
+    override fun getItemViewType(position: Int): Int {
+        val message = messages[position]
+        return if (message.isCurrentUser) R.layout.item_message_right else R.layout.item_message_left
+    }
+
+    class MessageViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        private val messageText: TextView = itemView.findViewById(R.id.message_text)
+        private val messageTime: TextView = itemView.findViewById(R.id.message_time)
+        private val messageSender: TextView = itemView.findViewById(R.id.message_sender)
+
+        fun bind(message: Message) {
+            messageText.text = message.text
+            messageTime.text = android.text.format.DateFormat.format("HH:mm", message.timestamp)
+            messageSender.text = message.sender
+        }
+    }
+}