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Retrofit instance created through Singleton pattern in Kotlin using lazy initialization
package com.andresjakl.partslist
import android.util.Log
import com.jakewharton.retrofit2.adapter.kotlin.coroutines.CoroutineCallAdapterFactory
import retrofit2.Retrofit
import retrofit2.converter.moshi.MoshiConverterFactory
// Singleton pattern in Kotlin: https://kotlinlang.org/docs/reference/object-declarations.html#object-declarations
object WebAccess {
val partsApi : PartsApiClient by lazy {
Log.d("WebAccess", "Creating retrofit client")
val retrofit = Retrofit.Builder()
// The 10.0.2.2 address routes request from the Android emulator
// to the localhost / 127.0.0.1 of the host PC
.baseUrl("http://10.0.2.2:3000/")
// Moshi maps JSON to classes
.addConverterFactory(MoshiConverterFactory.create())
// The call adapter handles threads
.addCallAdapterFactory(CoroutineCallAdapterFactory())
.build()
// Create Retrofit client
return@lazy retrofit.create(PartsApiClient::class.java)
}
}
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