feat(character-gallery): 구매 이미지 전체화면 Carousel 뷰어 추가

구매된 이미지를 탭하면 전체화면 DialogFragment로 열리고,
ViewPager2 기반 Carousel로 좌우 슬라이딩 탐색이 가능하도록 구현.

app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/gallery/CharacterGalleryAdapter.kt

@@ -11,7 +11,8 @@ import kr.co.vividnext.sodalive.databinding.ItemCharacterGalleryBinding
 
 class CharacterGalleryAdapter(
     private var items: List<CharacterImageListItemResponse> = emptyList(),
-    private val onClickBuy: (item: CharacterImageListItemResponse, position: Int) -> Unit = { _, _ -> }
+    private val onClickBuy: (item: CharacterImageListItemResponse, position: Int) -> Unit = { _, _ -> },
+    private val onClickOwned: (item: CharacterImageListItemResponse, position: Int) -> Unit = { _, _ -> }
 ) : RecyclerView.Adapter<CharacterGalleryAdapter.ViewHolder>() {
 
     inner class ViewHolder(
@@ -26,12 +27,17 @@ class CharacterGalleryAdapter(
             if (item.isOwned) {
                 binding.llLock.visibility = View.GONE
                 binding.btnBuy.setOnClickListener(null)
+                binding.root.setOnClickListener {
+                    onClickOwned(item, bindingAdapterPosition)
+                }
             } else {
                 binding.llLock.visibility = View.VISIBLE
                 binding.tvPrice.text = item.imagePriceCan.toString()
                 binding.btnBuy.setOnClickListener {
                     onClickBuy(item, bindingAdapterPosition)
                 }
+                // 잠금 상태에서는 아이템 클릭 시 아무 동작 없음 (구매 버튼만 활성)
+                binding.root.setOnClickListener(null)
             }
         }
     }

app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/gallery/CharacterGalleryFragment.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.chat.character.detail.gallery
 
 import android.annotation.SuppressLint
 import android.os.Bundle
+import android.text.style.ForegroundColorSpan
 import android.view.View
 import androidx.core.graphics.toColorInt
 import androidx.recyclerview.widget.GridLayoutManager
@@ -26,6 +27,8 @@ class CharacterGalleryFragment : BaseFragment<FragmentCharacterGalleryBinding>(
     private lateinit var adapter: CharacterGalleryAdapter
     private lateinit var loadingDialog: LoadingDialog
 
+    private var latestItems: List<CharacterImageListItemResponse> = emptyList()
+
     private val characterId: Long by lazy {
         arguments?.getLong("arg_character_id")
             ?: requireActivity().intent.getLongExtra(EXTRA_CHARACTER_ID, 0L)
@@ -49,9 +52,24 @@ class CharacterGalleryFragment : BaseFragment<FragmentCharacterGalleryBinding>(
                 GridSpacingItemDecoration(3, 2f.dpToPx().toInt(), true)
             )
         }
-        adapter = CharacterGalleryAdapter(onClickBuy = { item, position ->
+        adapter = CharacterGalleryAdapter(
-            showPurchaseDialog(item, position)
+            onClickBuy = { item, position ->
-        })
+                showPurchaseDialog(item, position)
+            },
+            onClickOwned = { item, position ->
+                // 구매된 항목만 전체화면 뷰어로 진입
+                val ownedItems = latestItems.filter { it.isOwned }
+                if (ownedItems.isEmpty()) return@CharacterGalleryAdapter
+                val startIndex = ownedItems.indexOfFirst {
+                    it.id == item.id
+                }.coerceAtLeast(0)
+                val urls = ownedItems.map { it.imageUrl }
+                val dialog = CharacterGalleryViewerDialogFragment.newInstance(urls, startIndex)
+                if (!dialog.isAdded) {
+                    dialog.show(parentFragmentManager, "CharacterGalleryViewerDialog")
+                }
+            }
+        )
         binding.rvGallery.adapter = adapter
 
         binding.rvGallery.addOnScrollListener(object : RecyclerView.OnScrollListener() {
@@ -88,7 +106,6 @@ class CharacterGalleryFragment : BaseFragment<FragmentCharacterGalleryBinding>(
                 binding.clRatio.visibility = View.VISIBLE
 
                 val percent = (state.ratio * 100).toInt()
-                // 좌측 라벨은 고정("보유중"), 우측은 보유/전체 개수(ownedCount만 강조 색상 적용)
                 binding.tvRatioLeft.text = "$percent% 보유중"
 
                 val ownedStr = state.ownedCount.toString()
@@ -97,7 +114,7 @@ class CharacterGalleryFragment : BaseFragment<FragmentCharacterGalleryBinding>(
                 val spannable = android.text.SpannableString(fullText)
                 val ownedColor = "#FDD453".toColorInt()
                 spannable.setSpan(
-                    android.text.style.ForegroundColorSpan(ownedColor),
+                    ForegroundColorSpan(ownedColor),
                     /* start */ 0,
                     /* end */ ownedStr.length,
                     android.text.Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
@@ -108,6 +125,7 @@ class CharacterGalleryFragment : BaseFragment<FragmentCharacterGalleryBinding>(
                 // 슬라이더(ProgressBar) 값 설정: 0~100
                 binding.progressRatio.progress = percent
 
+                latestItems = state.items
                 adapter.submitItems(state.items)
             } else {
                 binding.rvGallery.visibility = View.VISIBLE

app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/gallery/CharacterGalleryViewerDialogFragment.kt

@@ -0,0 +1,89 @@
+package kr.co.vividnext.sodalive.chat.character.detail.gallery
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.DialogFragment
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import kr.co.vividnext.sodalive.databinding.FragmentCharacterGalleryViewerBinding
+import kr.co.vividnext.sodalive.databinding.ItemFullscreenImageBinding
+
+class CharacterGalleryViewerDialogFragment : DialogFragment() {
+
+    private var _binding: FragmentCharacterGalleryViewerBinding? = null
+    private val binding get() = _binding!!
+
+    private val imageUrls: ArrayList<String> by lazy {
+        arguments?.getStringArrayList(ARG_URLS) ?: arrayListOf()
+    }
+    private val startIndex: Int by lazy {
+        arguments?.getInt(ARG_START_INDEX) ?: 0
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NORMAL, android.R.style.Theme_Black_NoTitleBar_Fullscreen)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = FragmentCharacterGalleryViewerBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.viewPager.adapter = ImagePagerAdapter(imageUrls)
+        if (startIndex in imageUrls.indices) {
+            binding.viewPager.setCurrentItem(startIndex, false)
+        }
+
+        binding.btnClose.setOnClickListener { dismissAllowingStateLoss() }
+    }
+
+    override fun onDestroyView() {
+        _binding = null
+        super.onDestroyView()
+    }
+
+    class ImagePagerAdapter(private val urls: List<String>) : RecyclerView.Adapter<ImageViewHolder>() {
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ImageViewHolder {
+            val binding = ItemFullscreenImageBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+            return ImageViewHolder(binding)
+        }
+        override fun onBindViewHolder(holder: ImageViewHolder, position: Int) {
+            holder.bind(urls[position])
+        }
+        override fun getItemCount(): Int = urls.size
+    }
+
+    class ImageViewHolder(private val binding: ItemFullscreenImageBinding) : RecyclerView.ViewHolder(binding.root) {
+        fun bind(url: String) {
+            Glide.with(binding.ivFull)
+                .load(url)
+                .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
+                .into(binding.ivFull)
+        }
+    }
+
+    companion object {
+        private const val ARG_URLS = "arg_urls"
+        private const val ARG_START_INDEX = "arg_start_index"
+
+        fun newInstance(urls: List<String>, startIndex: Int): CharacterGalleryViewerDialogFragment {
+            val fragment = CharacterGalleryViewerDialogFragment()
+            fragment.arguments = Bundle().apply {
+                putStringArrayList(ARG_URLS, ArrayList(urls))
+                putInt(ARG_START_INDEX, startIndex)
+            }
+            return fragment
+        }
+    }
+}

app/src/main/res/layout/dialog_soda.xml

@@ -26,7 +26,7 @@
         android:id="@+id/tv_desc"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="6dp"
+        android:layout_marginTop="12dp"
         android:fontFamily="@font/gmarket_sans_medium"
         android:textColor="@color/color_bbbbbb"
         android:textSize="15sp"
@@ -38,7 +38,7 @@
     <LinearLayout
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginTop="45dp"
+        android:layout_marginTop="24dp"
         android:layout_marginBottom="16.7dp"
         android:gravity="center"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -64,7 +64,7 @@
             android:id="@+id/tv_confirm"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
+            android:layout_weight="2"
             android:background="@drawable/bg_round_corner_10_3bb9f1"
             android:fontFamily="@font/gmarket_sans_bold"
             android:gravity="center"

app/src/main/res/layout/fragment_character_gallery_viewer.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#000000">
+
+    <androidx.viewpager2.widget.ViewPager2
+        android:id="@+id/viewPager"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <ImageButton
+        android:id="@+id/btnClose"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_margin="16dp"
+        android:background="@android:color/transparent"
+        android:contentDescription="close"
+        android:scaleType="center"
+        android:src="@android:drawable/ic_menu_close_clear_cancel"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_fullscreen_image.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#000000">
+
+    <ImageView
+        android:id="@+id/ivFull"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:adjustViewBounds="true"
+        android:scaleType="fitCenter" />
+
+</FrameLayout>