Retrofit2 | #5

MainActivity.kt

import android.os.Bundle
import android.widget.SearchView.OnQueryTextListener
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import com.example.retrofitlesson.adapter.ProductAdapter
import com.example.retrofitlesson.databinding.ActivityMainBinding
import com.example.retrofitlesson.retrofit.MainApi
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import okhttp3.OkHttpClient
import okhttp3.logging.HttpLoggingInterceptor
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory

class MainActivity : AppCompatActivity() {
    private lateinit var adapter: ProductAdapter
    lateinit var binding: ActivityMainBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        adapter = ProductAdapter()
        binding.rcView.layoutManager = LinearLayoutManager(this)
        binding.rcView.adapter = adapter


        val interceptor = HttpLoggingInterceptor()
        interceptor.level = HttpLoggingInterceptor.Level.BODY

        val client = OkHttpClient.Builder()
            .addInterceptor(interceptor)
            .build()

        val retrofit = Retrofit.Builder()
            .baseUrl("https://dummyjson.com").client(client)
            .addConverterFactory(GsonConverterFactory.create()).build()
        val mainApi = retrofit.create(MainApi::class.java)

        binding.sv.setOnQueryTextListener(object : OnQueryTextListener{
            override fun onQueryTextSubmit(text: String?): Boolean {
                CoroutineScope(Dispatchers.IO).launch {
                    val list = text?.let { mainApi.getProductsByName(it) }
                    runOnUiThread {
                        binding.apply {
                            adapter.submitList(list?.products)
                        }
                    }
                }
                return true
            }

            override fun onQueryTextChange(text: String?): Boolean {
               return true
            }
        })
    }
}

MainApi.kt

import retrofit2.http.Body
import retrofit2.http.GET
import retrofit2.http.POST
import retrofit2.http.Path
import retrofit2.http.Query

interface MainApi {
    @GET("products/{id}")
    suspend fun getProductById(@Path("id") id: Int): Product

    @POST("auth/login")
    suspend fun auth(@Body authRequest: AuthRequest): User

    @GET("products")
    suspend fun getAllProducts(): Products

    @GET("products/search")
    suspend fun getProductsByName(@Query("q") name: String): Products
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#B8B8B8"
    tools:context=".MainActivity">

    <SearchView
        android:id="@+id/sv"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rcView"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="3dp"
        android:layout_marginEnd="3dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/sv" />
</androidx.constraintlayout.widget.ConstraintLayout>

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