package com.example.project;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends Activity {
TextView tv;
int Num=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setTitle("색종이 맞추기");
Button btn1 =(Button)findViewById(R.id.button1);
tv =(TextView)findViewById(R.id.TextView1);
View.OnClickListener a;
a=new View.OnClickListener() {
public void onClick(View v) {
Num=(int)(Math.random()*9)+1;
tv.setText(Num);
}
};btn1.setOnClickListener(a);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
버튼을 누르면 TextView 를 셋해주고 싶은데 오류가 뜨네요.
어느부분이 문제가 있는지 알려주시면 감사하겠습니다 ^^