[Kotlin] BuildConfig

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btnClick"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:textAllCaps="false"
        android:text="Is this BuildConfig.DEBUG?"
        android:textSize="20dp"
        android:textStyle="italic"/>

</LinearLayout>

activity_main.xml

 

 

 

 

 

MainActivity.kt

package com.jwsoft.kotlinproject

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Toast
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        btnClick.setOnClickListener {
            if (BuildConfig.DEBUG) {
            	Toast.makeText(applicationContext, "BuildConfig.DEBUG", Toast.LENGTH_SHORT).show()
            }
        }
    }

}

실행 결과