Merge pull request #1 from Njumbi/dev

Njumbi · web-flow · commit 1257eed5b259 · 2022-04-06T09:27:10.000+03:00
Dev
diff --git a/app/build.gradle b/app/build.gradle
@@ -1,6 +1,8 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'kotlin-kapt'
+    id("dagger.hilt.android.plugin")
 }
 
 android {
@@ -29,6 +31,9 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    buildFeatures {
+        viewBinding = true
+    }
 }
 
 dependencies {
@@ -40,6 +45,42 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
     //circular image
     implementation 'de.hdodenhof:circleimageview:3.1.0'
+
+    // di
+    implementation "com.google.dagger:hilt-android:2.38.1"
+    kapt "com.google.dagger:hilt-compiler:2.38.1"
+
+    //glide
+    implementation 'com.github.bumptech.glide:glide:4.12.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.12.0'
+
+    // coroutines
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2'
+    implementation 'com.jakewharton.retrofit:retrofit2-kotlin-coroutines-adapter:0.9.2'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2'
+
+    // lifecycle
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0"
+    implementation "androidx.hilt:hilt-lifecycle-viewmodel:1.0.0-alpha03"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.4.0"
+
+    // network
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.9.1'
+    implementation 'com.google.code.gson:gson:2.8.9'
+
+    //glide
+    implementation 'com.github.bumptech.glide:glide:4.13.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.13.0'
+
+    // activity
+    implementation "androidx.activity:activity-ktx:1.4.0"
+
+    //lifecycle
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.4.1")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1")
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.diff_utils_recyclerview_example">
+    <uses-permission android:name="android.permission.INTERNET"/>
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/App.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/App.kt
@@ -0,0 +1,8 @@
+package com.example.diff_utils_recyclerview_example
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class App:Application() {
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/data/di/AppModule.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/data/di/AppModule.kt
@@ -0,0 +1,54 @@
+package com.example.diff_utils_recyclerview_example.data.di
+
+import com.example.diff_utils_recyclerview_example.data.remote.ApiService
+import com.example.diff_utils_recyclerview_example.data.repository.CharactersRepo
+import com.example.diff_utils_recyclerview_example.data.repository.CharactersRepoImpl
+import com.example.diff_utils_recyclerview_example.ui.BASE_URL
+import com.jakewharton.retrofit2.adapter.kotlin.coroutines.CoroutineCallAdapterFactory
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import de.hdodenhof.circleimageview.BuildConfig
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+
+    @Provides
+    fun providesOkhttp():OkHttpClient{
+        val okhhtp = OkHttpClient.Builder()
+
+        if (BuildConfig.DEBUG) {
+            val logger = HttpLoggingInterceptor()
+            logger.setLevel(HttpLoggingInterceptor.Level.BODY)
+
+            okhhtp.addInterceptor(logger)
+        }
+        return okhhtp.build()
+    }
+
+    @Provides
+    @Singleton
+    fun providesRetrofit(okHttpClient: OkHttpClient):Retrofit = Retrofit
+        .Builder()
+        .addConverterFactory(GsonConverterFactory.create())
+        .addCallAdapterFactory(CoroutineCallAdapterFactory())
+        .client(okHttpClient)
+        .baseUrl(BASE_URL)
+        .build()
+
+    @Provides
+    @Singleton
+    fun apiService(retrofit: Retrofit): ApiService = retrofit.create(ApiService::class.java)
+
+    @Provides
+    @Singleton
+    fun providesCharactersRepo(apiService: ApiService):CharactersRepo= CharactersRepoImpl(apiService)
+
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/data/remote/ApiService.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/data/remote/ApiService.kt
@@ -0,0 +1,12 @@
+package com.example.diff_utils_recyclerview_example.data.remote
+
+
+import com.example.diff_utils_recyclerview_example.data.responses.CharactersResponse
+import retrofit2.http.GET
+
+interface ApiService {
+
+    @GET("characters")
+    suspend fun fetchCharacters(): CharactersResponse
+
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/data/repository/CharactersRepo.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/data/repository/CharactersRepo.kt
@@ -0,0 +1,20 @@
+package com.example.diff_utils_recyclerview_example.data.repository
+
+import android.util.Log
+import com.example.diff_utils_recyclerview_example.data.remote.ApiService
+import com.example.diff_utils_recyclerview_example.data.responses.ApiResource
+import com.example.diff_utils_recyclerview_example.data.responses.CharactersResponse
+import com.example.diff_utils_recyclerview_example.data.responses.DataResponse
+import com.example.diff_utils_recyclerview_example.data.responses.safeApiCall
+import java.lang.reflect.Constructor
+import javax.inject.Inject
+
+interface CharactersRepo{
+    suspend fun getCharacters(): ApiResource<CharactersResponse>
+}
+class CharactersRepoImpl @Inject constructor(val apiService: ApiService):CharactersRepo{
+    override suspend fun getCharacters() = safeApiCall {
+        apiService.fetchCharacters()
+    }
+
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/data/responses/ApiResource.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/data/responses/ApiResource.kt
@@ -0,0 +1,37 @@
+package com.example.diff_utils_recyclerview_example.data.responses
+
+import com.bumptech.glide.load.HttpException
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+sealed class ApiResource<out T> {
+    data class Success<out T>(val value: T) : ApiResource<T>()
+    data class Error(
+        val isNetworkError: Boolean?,
+        val errorCode: Int?,
+        val errorBody: String?
+    ) : ApiResource<Nothing>()
+
+    object Loading : ApiResource<Nothing>()
+
+}
+
+suspend fun <T : Any> safeApiCall(
+    apiCall: suspend () -> T,
+) : ApiResource<T> {
+    return withContext(Dispatchers.IO) {
+        try {
+            val response = apiCall.invoke()
+            ApiResource.Success(response)
+        } catch (throwable: Throwable) {
+            when(throwable){
+                is HttpException -> {
+                    ApiResource.Error(false, throwable.statusCode, throwable.message)
+                }
+                else -> {
+                    ApiResource.Error(true, null, throwable.message)
+                }
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/data/responses/CharactersResponse.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/data/responses/CharactersResponse.kt
@@ -0,0 +1,24 @@
+package com.example.diff_utils_recyclerview_example.data.responses
+
+data class CharactersResponse(
+    val count: Int,
+    val `data`: List<DataResponse>,
+    val nextPage: String,
+    val totalPages: Int
+)
+
+data class DataResponse(
+    var id: Int,
+    val allies: List<Any>,
+    val enemies: List<Any>,
+    val films: List<Any>,
+    val imageUrl: String,
+    val name: String,
+    val parkAttractions: List<Any>,
+    val shortFilms: List<Any>,
+    val tvShows: List<Any>,
+    val url: String,
+    val videoGames: List<Any>
+)
+
+
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/MainActivity.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/MainActivity.kt
@@ -2,11 +2,43 @@ package com.example.diff_utils_recyclerview_example.ui
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.view.LayoutInflater
+import android.widget.Toast
+import android.widget.Toast.makeText
+import androidx.activity.viewModels
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.example.diff_utils_recyclerview_example.R
+import com.example.diff_utils_recyclerview_example.databinding.ActivityMainBinding
+import com.example.diff_utils_recyclerview_example.ui.adapters.CharactersAdapter
+import com.example.diff_utils_recyclerview_example.ui.viewmodel.fetchCharactersViewModel
+import com.google.android.material.snackbar.Snackbar
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var charactersAdapter:CharactersAdapter
+    private  val charactersViewModel: fetchCharactersViewModel by viewModels()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        charactersAdapter = CharactersAdapter()
+        var recyclerView = binding.rvCharacters
+        recyclerView.layoutManager = LinearLayoutManager(this,RecyclerView.VERTICAL,false)
+        recyclerView.adapter = charactersAdapter
+
+        charactersViewModel.fetchCharacters.observe(this){
+        charactersAdapter.saveData(it.data)
+        }
+        charactersViewModel.errorResponse.observe(this){errorMessage ->
+           Snackbar.make(binding.root,errorMessage.toString(),Snackbar.LENGTH_SHORT).show()
+        }
+        charactersViewModel.getCharacters()
     }
 }
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/Utils.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/Utils.kt
@@ -0,0 +1,4 @@
+package com.example.diff_utils_recyclerview_example.ui
+
+const val BASE_URL ="https://api.disneyapi.dev/"
+
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/adapters/CharactersAdapter.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/adapters/CharactersAdapter.kt
@@ -0,0 +1,60 @@
+package com.example.diff_utils_recyclerview_example.ui.adapters
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.AsyncListDiffer
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.example.diff_utils_recyclerview_example.data.responses.DataResponse
+import com.example.diff_utils_recyclerview_example.databinding.CharactersItemsBinding
+
+class CharactersAdapter : RecyclerView.Adapter<CharactersAdapter.CharactersAdapterVh>() {
+    class CharactersAdapterVh(var binding: CharactersItemsBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+
+    }
+
+ private val diffUtil = object : DiffUtil.ItemCallback<DataResponse>() {
+        override fun areItemsTheSame(oldItem: DataResponse, newItem: DataResponse): Boolean {
+            return oldItem.id == newItem.id
+        }
+
+        override fun areContentsTheSame(oldItem: DataResponse, newItem: DataResponse): Boolean {
+            return oldItem == newItem
+        }
+
+    }
+
+    private val asyncListDiffer = AsyncListDiffer(this, diffUtil)
+
+    fun saveData( dataResponse: List<DataResponse>){
+        asyncListDiffer.submitList(dataResponse)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CharactersAdapterVh {
+        val binding =
+            CharactersItemsBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return CharactersAdapterVh(binding)
+    }
+
+    override fun onBindViewHolder(holder: CharactersAdapterVh, position: Int) {
+    val data = asyncListDiffer.currentList[position]
+        holder.binding.apply {
+            tvCharacterName.text = data.name
+
+            Glide
+                .with(holder.itemView.context)
+                .load(data.imageUrl)
+                .centerCrop()
+                .into(profileImage);
+        }
+
+
+    }
+
+    override fun getItemCount(): Int {
+       return asyncListDiffer.currentList.size
+    }
+}
diff --git a/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/viewmodel/fetchCharactersViewModel.kt b/app/src/main/java/com/example/diff_utils_recyclerview_example/ui/viewmodel/fetchCharactersViewModel.kt
@@ -0,0 +1,40 @@
+package com.example.diff_utils_recyclerview_example.ui.viewmodel
+
+import android.util.Log
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.diff_utils_recyclerview_example.data.repository.CharactersRepo
+import com.example.diff_utils_recyclerview_example.data.responses.ApiResource
+import com.example.diff_utils_recyclerview_example.data.responses.CharactersResponse
+import com.example.diff_utils_recyclerview_example.data.responses.DataResponse
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class fetchCharactersViewModel @Inject constructor(val charactersRepo: CharactersRepo): ViewModel() {
+
+    private val _fetchCharacters = MutableLiveData<CharactersResponse>()
+    val fetchCharacters: LiveData<CharactersResponse>get() = _fetchCharacters
+
+    private val _errorResponse = MutableLiveData<String>()
+    val errorResponse: LiveData<String> get() = _errorResponse
+
+    fun getCharacters(){
+        viewModelScope.launch {
+        val charactersResponse = charactersRepo.getCharacters()
+            Log.d("----->",charactersResponse.toString())
+            when(charactersResponse){
+                is ApiResource.Success ->{
+                    _fetchCharacters.postValue(charactersResponse.value!!)
+                }
+                is ApiResource.Error ->{
+                    _errorResponse.postValue(charactersResponse.errorBody.toString())
+                }
+            }
+        }
+    }
+
+}
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
diff --git a/app/src/main/res/layout/characters_items.xml b/app/src/main/res/layout/characters_items.xml
diff --git a/build.gradle b/build.gradle

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +package com.example.diff_utils_recyclerview_example.ui
++
 +const val BASE_URL ="https://api.disneyapi.dev/"
++