[김상진_Android] 14주차 과제 제출

app/build.gradle.kts

@@ -1,12 +1,18 @@
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
+    id("kotlin-kapt")
+    id("dagger.hilt.android.plugin")
 }
 
 android {
     namespace = "com.example.bcsd_android_2025_1"
     compileSdk = 34
 
+    buildFeatures {
+        viewBinding = true
+    }
+
     defaultConfig {
         applicationId = "com.example.bcsd_android_2025_1"
         minSdk = 26
@@ -42,7 +48,22 @@ dependencies {
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.paging.common.android)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
+    implementation("androidx.paging:paging-runtime:3.3.0")
+    implementation("com.google.dagger:hilt-android:2.48")
+    kapt("com.google.dagger:hilt-compiler:2.48")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.recyclerview:recyclerview:1.3.1")
+}
+
+
+kapt {
+    correctErrorTypes = true
 }

app/src/main/AndroidManifest.xml

@@ -2,7 +2,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
+        android:name=".app.MyGithubApp"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
@@ -13,7 +16,7 @@
         android:theme="@style/Theme.BCSD_Android_20251"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name=".app.MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/example/bcsd_android_2025_1/app/AppModule.kt

@@ -0,0 +1,30 @@
+package com.example.bcsd_android_2025_1.app
+
+import com.example.bcsd_android_2025_1.data.GithubApi
+import com.example.bcsd_android_2025_1.domain.GithubRepository
+import com.example.bcsd_android_2025_1.domain.GithubRepositoryImpl
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+    @Provides
+    fun provideGitHubApi(): GithubApi {
+        return Retrofit.Builder()
+            .baseUrl("https://api.github.com/")
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+            .create(GithubApi::class.java)
+    }
+
+    @Provides
+    fun provideGitHubRepository(api: GithubApi): GithubRepository{
+        return GithubRepositoryImpl(api)
+    }
+}

app/src/main/java/com/example/bcsd_android_2025_1/app/MainActivity.kt

@@ -0,0 +1,63 @@
+package com.example.bcsd_android_2025_1.app
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.isVisible
+import androidx.core.widget.doOnTextChanged
+import androidx.lifecycle.lifecycleScope
+import androidx.paging.LoadState
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.bcsd_android_2025_1.databinding.ActivityMainBinding
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+
+@AndroidEntryPoint
+class MainActivity : AppCompatActivity() {
+    private val viewModel by viewModels<MainViewModel>()
+    private lateinit var binding: ActivityMainBinding
+    private val adapter = RepositoryAdapter {
+        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(it.htmlUrl)))
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+
+        binding.repositoryRecyclerview.layoutManager = LinearLayoutManager(this)
+        binding.repositoryRecyclerview.adapter = adapter
+
+        lifecycleScope.launch {
+            viewModel.repositories.collectLatest { pagingData ->
+                adapter.submitData(pagingData)
+            }
+        }
+
+        lifecycleScope.launch {
+            adapter.loadStateFlow.collectLatest { loadState ->
+                binding.progressBar.isVisible = loadState.refresh is LoadState.Loading
+            }
+        }
+
+        binding.searchEdittext.doOnTextChanged { text, _, _, _ ->
+            viewModel.onQueryChanged(text.toString())
+        }
+
+        lifecycleScope.launch {
+            viewModel.repositories.collectLatest { pagingData ->
+                binding.progressBar.isVisible = true
+                adapter.submitData(pagingData = pagingData)
+                binding.progressBar.isVisible = false
+            }
+        }
+
+        adapter.addLoadStateListener {
+            binding.progressBar.isVisible = it.refresh is LoadState.Loading
+        }
+    }
+}

app/src/main/java/com/example/bcsd_android_2025_1/app/MainViewModel.kt

@@ -0,0 +1,32 @@
+package com.example.bcsd_android_2025_1.app
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.paging.cachedIn
+import com.example.bcsd_android_2025_1.domain.SearchRepositoryUseCase
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flatMapLatest
+import javax.inject.Inject
+
+@HiltViewModel
+class MainViewModel @Inject constructor(
+    private val searchUseCase: SearchRepositoryUseCase
+) : ViewModel() {
+
+    private val _query = MutableStateFlow("")
+    val query: StateFlow<String> = _query
+
+    val repositories = _query
+        .debounce(300)
+        .distinctUntilChanged()
+        .flatMapLatest { searchUseCase(it) }
+        .cachedIn(viewModelScope)
+
+    fun onQueryChanged(input: String) {
+        _query.value = input
+    }
+}

app/src/main/java/com/example/bcsd_android_2025_1/app/MyGithubApp.kt

@@ -0,0 +1,7 @@
+package com.example.bcsd_android_2025_1.app
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class MyGithubApp : Application()

app/src/main/java/com/example/bcsd_android_2025_1/app/RepositoryAdapter.kt

@@ -0,0 +1,36 @@
+package com.example.bcsd_android_2025_1.app
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.paging.PagingDataAdapter
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+import com.example.bcsd_android_2025_1.data.Repository
+import com.example.bcsd_android_2025_1.databinding.ItemRepositoryBinding
+
+class RepositoryAdapter (
+    private val onClick: (Repository) -> Unit
+) : PagingDataAdapter<Repository, RepositoryAdapter.ViewHolder>(diffUtil) {
+
+    inner class ViewHolder(private val binding: ItemRepositoryBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+        fun bind(repo: Repository) {
+            binding.repositoryNameTextview.text = repo.name
+            binding.root.setOnClickListener { onClick(repo) }
+        }
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        getItem(position)?.let { holder.bind(it) }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) =
+        ViewHolder(ItemRepositoryBinding.inflate(LayoutInflater.from(parent.context), parent, false))
+
+    companion object {
+        val diffUtil = object : DiffUtil.ItemCallback<Repository>() {
+            override fun areItemsTheSame(old: Repository, new: Repository) = old.id == new.id
+            override fun areContentsTheSame(old: Repository, new: Repository) = old == new
+        }
+    }
+}

app/src/main/java/com/example/bcsd_android_2025_1/data/GithubApi.kt

@@ -0,0 +1,13 @@
+package com.example.bcsd_android_2025_1.data
+
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface GithubApi {
+    @GET("search/repositories")
+    suspend fun searchRepositories(
+        @Query("q") query:String,
+        @Query("page") page:Int,
+        @Query("per_page") perPage:Int = 30
+    ):SearchResponseDto
+}

app/src/main/java/com/example/bcsd_android_2025_1/data/Repository.kt

@@ -0,0 +1,7 @@
+package com.example.bcsd_android_2025_1.data
+
+data class Repository(
+    val id: Long,
+    val name: String,
+    val htmlUrl: String,
+)

app/src/main/java/com/example/bcsd_android_2025_1/data/RepositoryDto.kt

@@ -0,0 +1,9 @@
+package com.example.bcsd_android_2025_1.data
+
+import com.google.gson.annotations.SerializedName
+
+data class RepositoryDto (
+    val id: Long,
+    val name: String,
+    @SerializedName("html_url") val htmlUrl: String
+)