package com.example.myevent0;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import java.util.Date;
public class MyEvent0 extends AppCompatActivity
implements View.OnClickListener {
EditText txtbirthdate;
Button showbio;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showComponet();
}
public void showComponet(){
txtbirthdate=(EditText)findViewById(R.id.txtbirthdate);
showbio=(Button)findViewById(R.id.showbio);
showbio.setOnClickListener(this);
}
@Override
public void onClick(View v){
if(v==showbio){
String st = String.format("오늘은 %s다.",new Date());
txtbirthdate.setText(st);
Toast.makeText(getBaseContext(),st,Toast.LENGTH_LONG).show();
}
}
}
여기서 findviewbyid(R.id.변수)
에서 변수부분에서 변수를 찾을수없다고뜨네요
txtbirthdate=(EditText)findViewById(R.id.txtbirthdate);// (error: cannot find symbol variable txtbirthdate)
showbio=(Button)findViewById(R.id.showbio);// (error: cannot find symbol variable showbio)
혹시 아시는분 계실까요