Dlho_Repo

package com.brandon.playvideo_app.data.api

import okhttp3.OkHttpClient
import okhttp3.logging.HttpLoggingInterceptor
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory

private const val BASE_URL = "https://www.googleapis.com/youtube/v3/"

object RetrofitInstance {
    private val retrofit by lazy {
        Retrofit.Builder()
            .baseUrl(BASE_URL)
            .client(OkHttpClient.Builder().addInterceptor(HttpLoggingInterceptor().apply {
                level = HttpLoggingInterceptor.Level.BODY
            }).build())
            .addConverterFactory(GsonConverterFactory.create())
            .build()
    }
    val api: YouTubeApi by lazy { retrofit.create(YouTubeApi::class.java) }
}

package com.brandon.playvideo_app.data.api

import com.brandon.playvideo_app.data.model.CategoryVideoModel
import com.brandon.playvideo_app.data.model.ChannelByCategoryModel
import com.brandon.playvideo_app.data.model.TrendVideoModel
import retrofit2.http.GET
import retrofit2.http.Query

private const val PART = "snippet"
private const val CHART = "mostPopular"
private const val MAX_RESULT = 20
private const val REGION = "KR"
private const val API_KEY = //API// 
private const val HL = "ko_KR" //hl 매개변수는 API 응답의 텍스트 값에 사용할 언어를 지정합니다. 기본값은 en_US입니다.
private const val VIDEO_CATEGORY_ID =
    "0" //videoCategoryId 매개변수는 차트를 검색해야 하는 동영상 카테고리를 식별합니다. 이 매개변수는 chart 매개변수와만 함께 사용할 수 있습니다. 기본적으로 차트는 특정 카테고리로 제한되지 않습니다. 기본값은 0입니다.

interface YouTubeApi {
    @GET("videos")
    suspend fun getTrendingVideos(
        @Query("part") part: String = PART,
        @Query("chart") chart: String = CHART,
        @Query("maxResults") maxResults: Int = MAX_RESULT,
        @Query("regionCode") regionCode: String = REGION,
        @Query("videoCategoryId") videoCategoryId: String = VIDEO_CATEGORY_ID,
        @Query("key") apiKey: String = API_KEY
    ): TrendVideoModel
}

package com.brandon.playvideo_app.data.model

import com.google.gson.annotations.SerializedName

data class TrendVideoModel(
    @SerializedName("etag")
    val etag: String,
    @SerializedName("items")
    val items: List<Item>,
    @SerializedName("kind")
    val kind: String,
    @SerializedName("nextPageToken")
    val nextPageToken: String,
    @SerializedName("pageInfo")
    val pageInfo: PageInfo
)

data class Item(
    @SerializedName("etag")
    val etag: String,
    @SerializedName("id")
    val id: String,
    @SerializedName("kind")
    val kind: String,
    @SerializedName("snippet")
    val snippet: Snippet
)

data class Snippet(
    @SerializedName("categoryId")
    val categoryId: String,
    @SerializedName("channelId")
    val channelId: String,
    @SerializedName("channelTitle")
    val channelTitle: String,
    @SerializedName("defaultAudioLanguage")
    val defaultAudioLanguage: String,
    @SerializedName("defaultLanguage")
    val defaultLanguage: String,
    @SerializedName("description")
    val description: String,
    @SerializedName("liveBroadcastContent")
    val liveBroadcastContent: String,
    @SerializedName("localized")
    val localized: Localized,
    @SerializedName("publishedAt")
    val publishedAt: String,
    @SerializedName("tags")
    val tags: List<String>,
    @SerializedName("thumbnails")
    val thumbnails: Thumbnails,
    @SerializedName("title")
    val title: String
)

data class Thumbnails(
    @SerializedName("default")
    val default: Default,
    @SerializedName("high")
    val high: High?,
    @SerializedName("maxres")
    val maxres: Maxres?,
    @SerializedName("medium")
    val medium: Medium?,
    @SerializedName("standard")
    val standard: Standard?
)

data class Standard(
    @SerializedName("height")
    val height: Int,
    @SerializedName("url")
    val url: String,
    @SerializedName("width")
    val width: Int
)

data class PageInfo(
    @SerializedName("resultsPerPage")
    val resultsPerPage: Int,
    @SerializedName("totalResults")
    val totalResults: Int
)

data class Medium(
    @SerializedName("height")
    val height: Int,
    @SerializedName("url")
    val url: String,
    @SerializedName("width")
    val width: Int
)

data class Maxres(
    @SerializedName("height")
    val height: Int,
    @SerializedName("url")
    val url: String,
    @SerializedName("width")
    val width: Int
)

data class Localized(
    @SerializedName("description")
    val description: String,
    @SerializedName("title")
    val title: String
)

data class High(
    @SerializedName("height")
    val height: Int,
    @SerializedName("url")
    val url: String,
    @SerializedName("width")
    val width: Int
)

data class Default(
    @SerializedName("height")
    val height: Int,
    @SerializedName("url")
    val url: String,
    @SerializedName("width")
    val width: Int
)

package com.brandon.playvideo_app.ui.trend

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import androidx.recyclerview.widget.LinearLayoutManager
import com.brandon.playvideo_app.R
import com.brandon.playvideo_app.data.api.RetrofitInstance
import com.brandon.playvideo_app.databinding.ToolbarCommonBinding
import com.brandon.playvideo_app.databinding.TrendFragmentBinding
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import timber.log.Timber

class TrendFragment : Fragment() {
    private var _binding: TrendFragmentBinding? = null
    private val binding get() = _binding!!
    private lateinit var videoAdapter: VideoAdapter

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
    }

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = TrendFragmentBinding.inflate(inflater, container, false)
        initRecyclerView()
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        val toolbarBinding = ToolbarCommonBinding.bind(view.findViewById(R.id.included_tool_bar))
        toolbarBinding.toolbarCommon.inflateMenu(R.menu.library_tool_bar_menu)

        toolbarBinding.toolbarCommon.setOnMenuItemClickListener { menuItem ->
            when (menuItem.itemId) {
                R.id.search -> {
                    true
                }

                R.id.setting -> {
                    true
                }
                // 다른 메뉴 아이템에 대해서도 필요한 경우 추가할 수 있음
                else -> false
            }
        }
    }

    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }

    private fun initRecyclerView() {
        lifecycleScope.launch {
            withContext(Dispatchers.IO) {
            //API 통신 부분 
                val responseData = RetrofitInstance.api.getTrendingVideos().items
                videoAdapter = VideoAdapter(responseData)
            }
            binding.recyclerView.apply {
                adapter = videoAdapter
                layoutManager =
                    LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL, false)
            }

        }
    }
}

package com.brandon.playvideo_app.ui.trend

import android.content.Context
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import com.brandon.playvideo_app.data.model.Item
import com.brandon.playvideo_app.databinding.ItemTrendBinding
import com.bumptech.glide.Glide

class VideoAdapter(private val items: List<Item>) :
    RecyclerView.Adapter<VideoAdapter.VideoHolder>() {
    inner class VideoHolder(private val binding: ItemTrendBinding) :
        RecyclerView.ViewHolder(binding.root) {
        fun bind(item: Item) {
            with(binding) {
                tvVideoTitle.text = item.snippet.title
                tvChannelTitle.text = item.snippet.channelTitle
                //Glide 라이브러리 사용 
                Glide.with(itemView).load(item.snippet.thumbnails.maxres?.url ?: item.snippet.thumbnails.default.url).into(ivThumbnail)
            }
        }
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VideoHolder {
        val inflater =
            parent.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
        val binding = ItemTrendBinding.inflate(inflater, parent, false)
        return VideoHolder(binding)
    }

    override fun getItemCount() = items.size

    override fun onBindViewHolder(holder: VideoHolder, position: Int) {
        holder.bind(items[position])
    }
}

<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/iv_thumbnail"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="6dp"
        android:adjustViewBounds="true"
        android:minHeight="300dp"
        android:scaleType="fitXY"
        app:layout_constraintTop_toBottomOf="@id/tv_channel_title" />

    <TextView
        android:id="@+id/tv_video_title"
        style="@style/video_title_style"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="22dp"
        android:layout_marginTop="12dp"
        android:layout_marginBottom="12dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/iv_thumbnail"
        tools:text="The Beauty of Existence - Heart Touching Nasheed" />

    <TextView
        android:id="@+id/tv_channel_title"
        style="@style/channel_title_style"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="22dp"
        app:layout_constraintBottom_toTopOf="@id/iv_thumbnail"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:text="channelTitle" />


</androidx.constraintlayout.widget.ConstraintLayout>