<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:orientation="vertical" >

    <TextView
        android:id="@+id/Text1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="시작하시겠습니까?"
        android:textSize="20dp"
        android:visibility="visible" />

    <CheckBox
        android:id="@+id/ChkAgree"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:checked="false"
        android:text="시작함"
        android:textSize="10dp"
        android:visibility="visible" />

    <TextView
        android:id="@+id/Text2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="당신의 얼굴은?"
        android:textSize="20dp"
        android:visibility="invisible" 
        />

    <RadioGroup
        android:id="@+id/Rgroup1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:visibility="invisible" >

        <RadioButton
            android:id="@+id/Rdopretty"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:text="이쁘다"
            android:textSize="10dp" />

        <RadioButton
            android:id="@+id/Rdougry"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5dp"
            android:text="못생겼다"
            android:textSize="10dp" />
    </RadioGroup>

    <Button
        android:id="@+id/btn1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="@string/strBtn1"
        android:textSize="10dp"
        android:visibility="invisible"
         />

    <TextView
        android:id="@+id/Text3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:text="이름0"
        android:textSize="10dp"
        android:visibility="invisible" />

    <TextView
        android:id="@+id/Text4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:text="이름1"
        android:textSize="10dp"
        android:visibility="invisible" />
    

</LinearLayout>

package com.cookandroid.project1_1;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

public class Project1_1Activity extends Activity {
 TextView text1, text2, text3, text4;
 CheckBox chkAgree;
 RadioGroup rGroup1;
 RadioButton rdopretty, rdougry;
 Button mybutton;

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  mybutton = (Button) findViewById(R.id.btn1);
  setTitle("사람 찾기");

  mybutton.setOnClickListener(new View.OnClickListener() {

   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    switch (rGroup1.getCheckedRadioButtonId()) {
    case R.id.Rdopretty:
     text3.setText("이름0");
     break;
    case R.id.Rdougry:
     text4.setText("이름1");
     break;
    default:
     Toast.makeText(getApplicationContext(), "사람먼저찾으세요", 0).show();
    }
    
   }
  });
  text1 = (TextView) findViewById(R.id.Text1);
  chkAgree = (CheckBox) findViewById(R.id.ChkAgree);

  text2 = (TextView) findViewById(R.id.Text2);

  rGroup1 = (RadioGroup) findViewById(R.id.Rgroup1);
  rdopretty = (RadioButton) findViewById(R.id.Rdopretty);
  rdougry = (RadioButton) findViewById(R.id.Rdougry);

  text3 = (TextView) findViewById(R.id.Text3);
  text4 = (TextView) findViewById(R.id.Text4);

  chkAgree.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
   public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
    // TODO Auto-generated method stub

    if (chkAgree.isChecked() == true) {
     text2.setVisibility(android.view.View.VISIBLE);
     rGroup1.setVisibility(android.view.View.VISIBLE);
     mybutton.setVisibility(android.view.View.VISIBLE);
    } else {
     text2.setVisibility(android.view.View.INVISIBLE);
     rGroup1.setVisibility(android.view.View.INVISIBLE);
     mybutton.setVisibility(android.view.View.INVISIBLE);
    }
   }
  });
 }
}

자바요

이러면됬나? 처음이라...ㅇ.ㅇ...이거 텍스트뷰가안떠요..ㅠ.ㅠ

버튼누르면떠야되는데..뭐가잘못된거에요?

  이렇게밖에안되요선택확인해도안뜸요ㅠㅠ