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About Deployment

retrofit

dependency

version for org.jetbrains.kotlin.plugin.serialization might leads to error, need some change based on project

id 'org.jetbrains.kotlin.plugin.serialization' version '1.7.10'


// Retrofit 
implementation "com.squareup.retrofit2:retrofit:2.9.0"
// Retrofit with Scalar Converter
implementation "com.squareup.retrofit2:converter-scalars:2.9.0"

// Kotlin serialization 
implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0"

// Retrofit with Kotlin serialization Converter  convert json to kotlin objects
implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:0.8.0"

// OKHTTP3
implementation 'com.squareup.okhttp3:okhttp:4.10.0'
implementation 'com.squareup.okio:okio:3.2.0'

Android permissions

in <activity> tag add <uses-permission android:name="android.permission.INTERNET" /> in <activity> tag add android:usesCleartextTraffic="true"

How to use retrofit

  1. creat dataclass with @Serializable
@Serializable
data class MarsPhoto(
val id: String,
@SerialName(value = "img_src")
val imgSrc: String
)
  1. creat network request api
interface SongApiService {
@GET("music/{name}")
suspend fun getSongInfo(@Path("name") name: String): List<SongInfo>

@GET("music/id/{rid}")
suspend fun getSongUrl(@Path("rid") rid: Int): MusicUrl
}

  1. register in AppContainer

  2. initilize retrofit objects 

    private val retrofit: Retrofit = Retrofit.Builder()
.addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
.baseUrl(SONG_URL)
.build()

  3. creat retrofit service based on api you create 

    private val retrofitService by lazy {
retrofit.create(SongApiService::class.java)
}

  4. set up repositorty override val songRepository: SongRepository by lazy { SongRepository(retrofitService) }

  5. set up viewModel

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