6주차 세미나 심화과제

app/build.gradle

@@ -4,6 +4,8 @@ plugins {
     id 'org.jetbrains.kotlin.plugin.serialization' version '1.8.20'
 }
 
+apply plugin: 'kotlin-kapt'
+
 Properties properties = new Properties()
 properties.load(project.rootProject.file('local.properties').newDataInputStream())
 
@@ -31,11 +33,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = '11'
+        jvmTarget = '17'
     }
     buildFeatures {
         viewBinding true
@@ -68,6 +70,7 @@ dependencies {
     implementation("com.squareup.okhttp3:logging-interceptor")
 
     implementation 'com.github.bumptech.glide:glide:4.12.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'
 
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2"
     implementation 'androidx.core:core-ktx:1.8.0'

app/src/main/java/org/sopt/dosopttemplate/data/adaptor/UserAdaptor.kt

@@ -3,8 +3,10 @@ package org.sopt.dosopttemplate.data.adaptor
 import android.content.Context
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.databinding.BindingAdapter
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
+import com.google.android.material.imageview.ShapeableImageView
 import org.sopt.dosopttemplate.databinding.ItemFriendBinding
 import org.sopt.dosopttemplate.server.auth.response.ResponseUserListDataDto
 
@@ -35,10 +37,29 @@ class UserViewHolder(private val binding: ItemFriendBinding) :
     RecyclerView.ViewHolder(binding.root) {
     private val context: Context = binding.root.context
     fun onBind(user: ResponseUserListDataDto) {
-        Glide.with(context)
-            .load(user.avatar).into(binding.ivItemImage)
-
+        loadImage(binding.ivItemImage, user.avatar)
         binding.tvItemName.text = user.firstName
         binding.tvItemMessage.text = user.email
     }
+
+    //기존 뷰들에 없는 새로운 xml 속성을 연결하는 기능 메소드를 가지는 객체
+    //보통 static 메소드를 가진 class로 사용
+    //static 메소드를 가져야하기 때문에 class면 안됨 object로 명시
+    companion object {
+        //객체가 단 한마리 밖에 없는 애 : 싱글턴 패턴!!
+
+
+        @JvmStatic  //static 만드는 어노테이션
+        // 1) 이미지뷰에 새로운 xml 속성 만들기
+        // [속성명 : imageUrl ]
+        @BindingAdapter("imageUrl")  //어노테이션 해독기 필요 - 빌드그래이들에 기능 추가 필요!
+        fun loadImage(view: ShapeableImageView, imageUrl: String?) {
+            imageUrl?.let {
+                //메소드 명은 내 맘대로 다만! 파라미터 (어떤뷰에 주는지(뷰타입), 어떤 값인지(속성값)) 가 중요!!
+                Glide.with(view.context)
+                    .load(it)
+                    .into(view)
+            }
+        }
+    }
 }

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

@@ -12,7 +12,8 @@
         android:layout_marginVertical="15dp"
         android:layout_marginStart="25dp"
         android:scaleType="centerCrop"
-        android:src="@drawable/kakao_profile_sky"
+        tools:src="@drawable/kakao_profile_sky"
+        imageUrl="@{user.avatar}"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintDimensionRatio="1"
         app:layout_constraintStart_toStartOf="parent"