aligkts

class ApiClient {

     fun getUserFromApi(requestCallback: (isSuccess: Boolean, response: UserResponse?,message: String?) -> (Unit)) {
        RetrofitClient.getApi()
            .create(ApiHelper::class.java)
            .getUser()
            .enqueue(object : Callback<UserResponse> {

                override fun onFailure(call: Call<UserResponse>, t: Throwable) {
                    requestCallback(false,null,t.localizedMessage)

aligkts

interface ApiHelper {

    @GET("(default)/documents/user")
    fun getUser(): Call<UserResponse>

}

aligkts

class RetrofitClient {

    companion object {
        const val baseUrl = "https://firestore.googleapis.com/v1/projects/firestorerestapi/databases/"
        fun getApi(): Retrofit {
            return Retrofit.Builder()
                .baseUrl(baseUrl)
                .addConverterFactory(GsonConverterFactory.create())
                .build()
        }

aligkts

data class Value(

	@field:SerializedName("stringValue")
	val stringValue: String? = null
)

aligkts

data class Fields(

	@field:SerializedName("surname")
	val surname: Value? = null,

	@field:SerializedName("name")
	val name: Value? = null
)

aligkts

data class DocumentsItem(

	@field:SerializedName("createTime")
	val createTime: String? = null,

	@field:SerializedName("name")
	val name: String? = null,

	@field:SerializedName("updateTime")
	val updateTime: String? = null,

aligkts

data class UserResponse(
  
  @field:SerializedName("documents")
  val documents: List<DocumentsItem?>? = null
)

aligkts

implementation 'com.squareup.retrofit2:retrofit:2.5.0'
implementation 'com.squareup.retrofit2:converter-gson:2.3.0'

aligkts

private fun processFaceResult(faces: MutableList<FirebaseVisionFace>) {
    faces.forEach {
        val bounds = it.boundingBox
        val rectOverLay = RectOverlay(graphic_overlay, bounds)
        graphic_overlay.add(rectOverLay)
    }
    alertDialog.dismiss()
}

aligkts

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent" 
        android:layout_height="match_parent"
        tools:context=".MainActivity">
    <Button android:layout_width="match_parent" android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"