Android

[Kotlin]간단한 계산기 만들기

Kotlin 코드 class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) var resultNum:Int = 0 var flag:Boolean = false val btn: Array = arrayOf(btn_0,btn_1,btn_2,btn_3,btn_4,btn_5,btn_6,btn_7,btn_8,btn_9) for(btn_s in btn){ btn_s.setOnClickListener { if(result.text.toString()== "0" || flag..