1. Layout 2.
소스 package com.android.calculator; import android.app.Activity; import android.os.Bundle; public class calculator extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } 3. XML
xml version="1.0" encoding="utf-8"?>
