이벤트가 Information.java 에서만 일어나고 나머진 안되요 ㅠ.ㅠ
그리고 혹시 그리드뷰에 버튼이벤트 하는방법아시면 좀 도와주세요 ㅠ.ㅠ
도와주세요 ㅠ.ㅠ

package my.PocketChef;

import android.app.*;
import android.content.Intent;
import android.os.*;
import android.view.*;
import android.widget.*;

public class Title extends Activity {
 
    public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.title);
  
  findViewById(R.id.button_first).setOnClickListener(mClickListener);
  findViewById(R.id.button_second).setOnClickListener(mClickListener);
  findViewById(R.id.button_third).setOnClickListener(mClickListener);
  
  
 }

 Button.OnClickListener mClickListener = new Button.OnClickListener() {
  public void onClick(View v) {
   Intent intent;
   switch (v.getId()) {
   case R.id.button_first:
   intent = new Intent(Title.this, List.class);
             startActivity(intent);
    break;
   case R.id.button_second:
    intent = new Intent(Title.this, Base.class);
             startActivity(intent);
    break;
   case R.id.button_third:
    intent = new Intent(Title.this, Information.class);
             startActivity(intent);
    break;
    
   
   }
  }
 };
}

-------------------------------------------------------------------------------------------
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;


public class List extends ListActivity {
    /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
  
   setListAdapter(new ArrayAdapter<String>(this,
           android.R.layout.simple_list_item_1, COUNTRIES));
   getListView().setTextFilterEnabled(true);
 }

 static final String[] COUNTRIES = new String[] {

  "초간단 한그릇 요리", "저칼로리 다이어트 요리", "간단하게 만드는 간식", "대표 밥반찬"
 };

public void onListItemClick(ListView list, View view, int position, long id) {
 String mes;
 
 Intent intent = new Intent(List.this, Menu.class);
 startActivity(intent);
}
}

--------------------------------------------------------------------------------------------
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.Region.Op;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.OnHierarchyChangeListener;
import android.view.Window;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.Gallery.LayoutParams;
import android.widget.ImageSwitcher;
import android.widget.ImageView;
import android.widget.ViewSwitcher;

public class Base extends Activity implements
        AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {
 public int selectedIndex = -1;
 ImageAdapter ia;
 private static int[] IMAGE_SIZE={100, 70, 50, 30, 20};
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.main);
        mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
        mSwitcher.setFactory(this);
        mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in));
        mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_out));
        ia = new ImageAdapter(this);
        Gallery g = (Gallery) findViewById(R.id.gallery);
        g.setCallbackDuringFling(true);
        g.setAdapter(ia);
        g.setOnItemSelectedListener(this);
       
        g.setOnHierarchyChangeListener(new OnHierarchyChangeListener() {
  
   @Override
   public void onChildViewRemoved(View parent, View child) {
    // TODO Auto-generated method stub
   
   }
  
   @Override
   public void onChildViewAdded(View parent, View child) {
    // TODO Auto-generated method stub
    child.invalidate();
   }
  });
       
    }
    public void onItemSelected(AdapterView parent, View v, int position, long id) {
        mSwitcher.setImageResource(mImageIds[position]);
        ia.setSelectedPosition(position);
        ia.notifyDataSetChanged();
    }
    public void onNothingSelected(AdapterView parent) {
    
    }
    public View makeView() {
        ImageView i = new ImageView(this);
//        i.setBackgroundColor(0xFF000000);
        i.setBackgroundColor(0x00000000);
        i.setScaleType(ImageView.ScaleType.FIT_CENTER);
        i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.FILL_PARENT,
                LayoutParams.FILL_PARENT));
        return i;
    }
    private ImageSwitcher mSwitcher;
    public class ImageAdapter extends BaseAdapter {
     int mSelectedPosition = -1;
     ImageView mSelectedImageView = null;
    
        public ImageAdapter(Context c) {
            mContext = c;
        }
        public int getCount() {
            return mThumbIds.length;
        }
        public Object getItem(int position) {
            return position;
        }
        public long getItemId(int position) {
            return position;
        }
        public View getView(int position, View convertView, ViewGroup parent) {
         ImageView imageView;
         if(convertView!=null){
             imageView = (ImageView)convertView;
            }else{
             imageView = new ImageView(mContext);
            }
        
         imageView.setImageResource(mThumbIds[position]);
            imageView.setAdjustViewBounds(false);
           
            if(position == mSelectedPosition){
             imageView.setLayoutParams(new Gallery.LayoutParams(
                     100, 100));
            }else if(Math.abs(position-mSelectedPosition)==1 && mSelectedPosition!=-1){
             imageView.setLayoutParams(new Gallery.LayoutParams(
                     70, 70));
            
            }else if(Math.abs(position-mSelectedPosition)>=2 && mSelectedPosition!=-1){
             int size = 0;
             if(Math.abs(position-mSelectedPosition) >= IMAGE_SIZE.length){
              size = IMAGE_SIZE[IMAGE_SIZE.length-1];
             }else{
              size = IMAGE_SIZE[Math.abs(position-mSelectedPosition)];
             }
            
             imageView.setLayoutParams(new Gallery.LayoutParams(
               size, size));
            
             if(mSelectedPosition < position){
              Bitmap tmp = ((BitmapDrawable)imageView.getDrawable()).getBitmap();
              Bitmap bmp = tmp.copy(tmp.getConfig(),true);
              Bitmap newBmp = cropImage(bmp, 0, 0, 15, size, size, size);
              imageView.setImageBitmap(newBmp);
                    bmp.recycle();
             }
           
            }else{
             imageView.setLayoutParams(new Gallery.LayoutParams(
                     LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            
            }
           
            imageView.setScaleType(ImageView.ScaleType.FIT_XY);
           
           
            return imageView;
        }
        private Context mContext;
        public void setSelectedPosition(int p){
         mSelectedPosition = p;
        }
    }
   
    //선택된것 보다 오른쪽에 있는 이미지들의 위아래가 바뀌어서 이미지의 좌측 일부를 잘라낼때 쓰는 함수
    private Bitmap cropImage (Bitmap bmp, int cropLeft, int cropTop, int cropRight, int cropBottom, int width, int height){
     Bitmap newBmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     Canvas canvas = new Canvas(newBmp);
 
 
  canvas.drawColor(Color.TRANSPARENT);
  canvas.save();
  canvas.translate(0, 0);
  canvas.clipRect(0, 0, width, height);
  canvas.clipRect(cropLeft, cropTop, cropRight, cropBottom, Op.DIFFERENCE);
  canvas.clipRect(0, 0, width, height);
        canvas.drawBitmap(bmp, new Rect(0, 0, width, height), new Rect(0, 0, width, height), new Paint());
        canvas.restore();
       
       
       
        return newBmp;
    }
    private Integer[] mThumbIds = {
            R.drawable.base1, R.drawable.base2,
            R.drawable.base3, R.drawable.base4,
            R.drawable.base5, R.drawable.base6};
           
    private Integer[] mImageIds = {
            R.drawable.base1, R.drawable.base2, R.drawable.base3,
            R.drawable.base4, R.drawable.base5, R.drawable.base6};
          
}
---------------------------------------------------------------------------
package my.PocketChef;

import android.app.*;
import android.content.Intent;
import android.os.*;
import android.view.View;
import android.widget.Button;

 

public class Information extends Activity {
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.information);
  findViewById(R.id.back).setOnClickListener(mClickListener);
 }

 Button.OnClickListener mClickListener = new Button.OnClickListener() {
  public void onClick(View v) {
   switch (v.getId()) {
   case R.id.back:
    Intent intent = new Intent(Information.this, Title.class);
             startActivity(intent);
    break;
   }
  }
 };
}

-----------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="my.PocketChef"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".PocketChef"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
<activity android:name=".Title" android:label="Title" />
<activity android:name=".Base" android:label="Base" />
<activity android:name=".Information" android:label="Information" />
<activity android:name=".Lists" android:label="List" />
<activity android:name=".Menu" android:label="Menu" />

    </application>