chuga 버튼을 누르면 그밑에 리니어 레이아웃에

sub1을 띄워야되는데 도통 못해먹겠네요.. 책보고 하는데도 

안되니 아주그냥 맨탈이 투쾅투쾅;

싹다 다시할수도 없고 


이게 activity_me.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:id="@+id/me1"
 android:orientation="vertical"
 >

 <TextView
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:id="@+id/tv1"
 android:text="chuga"
 android:textSize="30dp"
 />

 <Button
 android:id="@+id/b2"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:text="higi"
 />
 <LinearLayout
 android:id="@+id/ii1"
 android:orientation="vertical"
 android:layout_width="match_parent"
 android:layout_height="match_parent">


 </LinearLayout>



</LinearLayout>


요게 sub1.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:orientation="vertical" android:layout_width="match_parent"
 android:layout_height="match_parent">

 <TextView
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:id="@+id/tv2"
 android:text="subview1"
 android:textSize="30dp"
 />
 <CheckBox
 android:layout_width="match_parent"
 android:text="dongdong"
 android:id="@+id/cb1"
 android:layout_height="wrap_content" />

</LinearLayout>


이게 me.java

package org.androidtown.gusung;

import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.LinearLayout;

import static android.R.attr.button;
import static android.icu.lang.UCharacter.GraphemeClusterBreak.L;
import static org.androidtown.gusung.R.id.b1;
import static org.androidtown.gusung.R.id.ii1;
import static org.androidtown.gusung.R.id.ll1;

public class me extends AppCompatActivity {

@Override
 protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_me);

 ii1=(LinearLayout)findViewById(R.id.ii1);

 Button bu=(Button)findViewById(R.id.b2);

 bu.setOnClickListener(new View.OnClickListener(){
@Override
 public void onClick(View view){
LayoutInflater inf=(LayoutInflater)
getsystemService(Context.LAYOUT_INFLATER_SERVICE);
 inf.inflate(R.layout.sub1, ii1,true);

 CheckBox ch=(CheckBox)ii1.findViewById(R.id.cb1);
 ch.setText ch.setText("로딩되었어요.");
 }
});

 }
}


제가 c언어 열혈c 한권만 하고 자바 때려치고 안드해서 자바코드를 잘모르겠는데 저 빨간동그라미 친데가

변수선언 같은걸로 제가 대충 처넣어도 되는거맞ㅈ ㅕ ?..