[Mission] 6주차 미션 제출

app/.gitignore

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+/build

app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "com.example.week4"
+    compileSdk = 36
+
+    buildFeatures {
+        viewBinding=true
+    }
+
+    defaultConfig {
+        applicationId = "com.example.week4"
+        minSdk = 24
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    implementation("me.relex:circleindicator:2.1.6")
+    implementation("com.google.code.gson:gson:2.10.1")
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Week4">
+
+        <activity
+            android:name=".SplashActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+        </activity>
+
+        <activity
+            android:name=".SongActivity"
+            android:exported="true">
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/week4/Album.kt

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+package com.example.week4
+
+data class Album(
+    val title: String = "",
+    val singer: String = "",
+    val coverImg: Int,
+    val songs: ArrayList<Song>? = null
+)

app/src/main/java/com/example/week4/AlbumFragment.kt

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+package com.example.week4
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.week4.databinding.FragmentAlbumBinding
+
+class AlbumFragment : Fragment() {
+    lateinit var binding: FragmentAlbumBinding
+    private val songData = ArrayList<Song>()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentAlbumBinding.inflate(inflater, container, false)
+
+        initDummyData()
+        initRecyclerView()
+
+        binding.albumBackIv.setOnClickListener {
+            (activity as MainActivity).supportFragmentManager.popBackStack()
+        }
+
+        return binding.root
+    }
+
+    private fun initRecyclerView(){
+        val songRVAdapter = SavedSongRVAdapter(songData)
+        binding.albumSongListRv.adapter = songRVAdapter
+        binding.albumSongListRv.layoutManager = LinearLayoutManager(context)
+    }
+
+    private fun initDummyData(){
+        songData.clear()
+
+        songData.add(Song("LILAC", "아이유 (IU)", musicResId = R.raw.butter))
+        songData.add(Song("Flu", "아이유 (IU)", musicResId = R.raw.butter))
+        songData.add(Song("Coin", "아이유 (IU)", musicResId = R.raw.butter))
+        songData.add(Song("봄 안녕 봄", "아이유 (IU)", musicResId = R.raw.butter))
+        songData.add(Song("Celebrity", "아이유 (IU)", musicResId = R.raw.butter))
+        songData.add(Song("돌림노래", "아이유 (IU)", musicResId = R.raw.butter))
+    }
+}

app/src/main/java/com/example/week4/AlbumRVAdapter.kt

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+package com.example.week4
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.week4.Album
+import com.example.week4.databinding.ItemAlbumBinding
+
+class AlbumRVAdapter(private val albumList: ArrayList<Album>) : RecyclerView.Adapter<AlbumRVAdapter.ViewHolder>() {
+
+    interface MyItemClickListener {
+        fun onItemClick(album: Album)
+        fun onPlayClick(album: Album)
+    }
+
+    private lateinit var mItemClickListener: MyItemClickListener
+    fun setMyItemClickListener(itemClickListener: MyItemClickListener) {
+        mItemClickListener = itemClickListener
+    }
+
+    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
+        val binding: ItemAlbumBinding = ItemAlbumBinding.inflate(LayoutInflater.from(viewGroup.context), viewGroup, false)
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.bind(albumList[position])
+        holder.itemView.setOnClickListener { mItemClickListener.onItemClick(albumList[position]) }
+        holder.binding.itemAlbumPlayIv.setOnClickListener { mItemClickListener.onPlayClick(albumList[position]) }
+    }
+
+    override fun getItemCount(): Int = albumList.size
+
+    inner class ViewHolder(val binding: ItemAlbumBinding) : RecyclerView.ViewHolder(binding.root) {
+        fun bind(album: Album) {
+            binding.itemAlbumTitleTv.text = album.title
+            binding.itemAlbumSingerTv.text = album.singer
+            binding.itemAlbumCoverIv.setImageResource(album.coverImg)
+        }
+    }
+}

app/src/main/java/com/example/week4/BannerViewPagerAdapter.kt

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+package com.example.week4
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.week4.databinding.ItemBannerBinding
+class BannerViewPagerAdapter(private val bannerList: ArrayList<Int>) : RecyclerView.Adapter<BannerViewPagerAdapter.ViewHolder>() {
+
+    override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): ViewHolder {
+        val binding: ItemBannerBinding = ItemBannerBinding.inflate(LayoutInflater.from(viewGroup.context), viewGroup, false)
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.bind(bannerList[position])
+    }
+
+    override fun getItemCount(): Int = bannerList.size
+
+    inner class ViewHolder(val binding: ItemBannerBinding) : RecyclerView.ViewHolder(binding.root) {
+        fun bind(imageRes: Int) {
+            binding.bannerImageIv.setImageResource(imageRes)
+        }
+    }
+}

app/src/main/java/com/example/week4/HomeFragment.kt

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+package com.example.week4
+
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.viewpager2.widget.ViewPager2
+import com.example.week4.Album
+import com.example.week4.Song
+import com.example.week4.databinding.FragmentHomeBinding
+
+class HomeFragment : Fragment() {
+    lateinit var binding: FragmentHomeBinding
+    private lateinit var albumRVAdapter: AlbumRVAdapter
+    private val albumData = ArrayList<Album>()
+
+    private val bannerData = arrayListOf(R.drawable.img_first_album_default, R.drawable.img_album_exp, R.drawable.img_album_exp2)
+    private var currentBannerPosition = 0
+    private val autoScrollHandler = Handler(Looper.getMainLooper())
+
+    private val autoScrollRunnable = object : Runnable {
+        override fun run() {
+            val newPosition = (currentBannerPosition + 1) % bannerData.size
+            binding.homePannelBannerVp.setCurrentItem(newPosition, true)
+            currentBannerPosition = newPosition
+
+            autoScrollHandler.postDelayed(this, 3000)
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentHomeBinding.inflate(inflater, container, false)
+
+        initDummyData()
+        initRecyclerView()
+
+        val bannerAdapter = BannerViewPagerAdapter(bannerData)
+        binding.homePannelBannerVp.adapter = bannerAdapter
+        binding.homePannelBannerVp.orientation = ViewPager2.ORIENTATION_HORIZONTAL
+
+        binding.homePannelBannerVp.registerOnPageChangeCallback(object: ViewPager2.OnPageChangeCallback(){
+            override fun onPageSelected(position: Int) {
+                super.onPageSelected(position)
+                currentBannerPosition = position
+            }
+        })
+        binding.homePannelIndicator.setViewPager(binding.homePannelBannerVp)
+
+        return binding.root
+    }
+
+    override fun onResume() {
+        super.onResume()
+        autoScrollHandler.postDelayed(autoScrollRunnable, 3000)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        autoScrollHandler.removeCallbacks(autoScrollRunnable)
+    }
+
+    private fun initRecyclerView() {
+        albumRVAdapter = AlbumRVAdapter(albumData)
+        binding.homeTodayMusicAlbumRv.layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
+        binding.homeTodayMusicAlbumRv.adapter = albumRVAdapter
+
+        albumRVAdapter.setMyItemClickListener(object : AlbumRVAdapter.MyItemClickListener {
+            override fun onItemClick(album: Album) {
+                (activity as MainActivity).supportFragmentManager.beginTransaction()
+                    .replace(R.id.main_frm, AlbumFragment())
+                    .addToBackStack(null)
+                    .commitAllowingStateLoss()
+            }
+
+            override fun onPlayClick(album: Album) {
+                album.songs?.let {
+                    if (it.isNotEmpty()) {
+                        val firstSong = it[0]
+                        MusicPlayerSingleton.playSong(requireContext(), firstSong)
+                    }
+                }
+            }
+        })
+    }
+
+    private fun initDummyData() {
+        val lilacSongs = arrayListOf(
+            Song("LILAC", "아이유 (IU)", musicResId = R.raw.butter),
+            Song("Flu", "아이유 (IU)", musicResId = R.raw.butter),
+            Song("Coin", "아이유 (IU)", musicResId = R.raw.butter)
+        )
+
+        val butterSongs = arrayListOf(
+            Song("Butter", "방탄소년단", musicResId = R.raw.butter),
+            Song("Permission to Dance", "방탄소년단", musicResId = R.raw.butter)
+        )
+
+        val nextLevelSongs = arrayListOf(
+            Song("Next Level", "aespa", musicResId = R.raw.butter),
+            Song("Savage", "aespa", musicResId = R.raw.butter)
+        )
+
+        albumData.clear()
+        albumData.add(Album("LILAC", "아이유 (IU)", R.drawable.img_album_exp2, lilacSongs))
+        albumData.add(Album("Butter", "방탄소년단", R.drawable.img_album_exp, butterSongs))
+        albumData.add(Album("Next Level", "aespa", R.drawable.img_first_album_default, nextLevelSongs))
+        albumData.add(Album("Weekend", "태연 (TAEYEON)", R.drawable.img_album_exp2, null))
+        albumData.add(Album("Celebrity", "아이유 (IU)", R.drawable.img_album_exp, null))
+    }
+}