AndroidでのIntentについて

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.os.Build;

public class AsobikataActivity extends Activity implements OnClickListener{
    final static int WC=ViewGroup.LayoutParams.WRAP_CONTENT;
    final static int WF=ViewGroup.LayoutParams.MATCH_PARENT;
    MediaPlayer sound1,click;
    int swSieze,shSize;
    ImageButton abutton,bbutton,cbutton,dbutton,ebutton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        click=MediaPlayer.create(this,R.raw.oto2);
        
        sound1=new MediaPlayer();
        sound1=MediaPlayer.create(this, R.raw.tuuzyou);
        sound1.setLooping(true);
        sound1.start();
        FrameLayout framelayout=new FrameLayout(this);
        
        LinearLayout layout1=new LinearLayout(this);
        layout1.setGravity(Gravity.CENTER);
        Bitmap image=BitmapFactory.decodeResource(getResources(),R.raw.haikei);
        ImageView imageview=new ImageView(this);
        imageview.setImageBitmap(image);
        layout1.addView(imageview);
        framelayout.addView(layout1);
        
        LinearLayout layout2=new LinearLayout(this);
        
        Bitmap back=BitmapFactory.decodeResource(getResources(),R.raw.buck);
        abutton=new ImageButton(this);
        abutton.setImageBitmap(back);
        abutton.setOnClickListener(this);
        LinearLayout.LayoutParams params=new LinearLayout.LayoutParams(300,130);
        params.setMargins(20,0,0,1200);
        layout2.addView(abutton,params);
        framelayout.addView(layout2);
        
        LinearLayout layout3=new LinearLayout(this);
        layout3.setOrientation(LinearLayout.VERTICAL);
        layout3.setGravity(Gravity.BOTTOM);
        
        Bitmap sousa=BitmapFactory.decodeResource(getResources(),R.raw.sosa);
        bbutton=new ImageButton(this);
        bbutton.setImageBitmap(sousa);
        bbutton.setOnClickListener(this);
        LinearLayout.LayoutParams params1=new LinearLayout.LayoutParams(710,250);
        params1.setMargins(250,0,0,100);
        layout3.addView(bbutton,params1);
                
        Bitmap sea=BitmapFactory.decodeResource(getResources(),R.raw.sea);
        cbutton=new ImageButton(this);
        cbutton.setImageBitmap(sea);
        cbutton.setOnClickListener(this);
        LinearLayout.LayoutParams params2=new LinearLayout.LayoutParams(710,250);
        params2.setMargins(250,0,0,100);
        layout3.addView(cbutton,params2);
        
        Bitmap mt=BitmapFactory.decodeResource(getResources(),R.raw.mt);
        dbutton=new ImageButton(this);
        dbutton.setImageBitmap(mt);
        dbutton.setOnClickListener(this);
        LinearLayout.LayoutParams params3=new LinearLayout.LayoutParams(710,250);
        params3.setMargins(250,0,0,100);
        layout3.addView(dbutton,params3);
        
        Bitmap rare=BitmapFactory.decodeResource(getResources(),R.raw.rare);
        ebutton=new ImageButton(this);
        ebutton.setImageBitmap(rare);
        ebutton.setOnClickListener(this);
        LinearLayout.LayoutParams params4=new LinearLayout.LayoutParams(710,250);
        params4.setMargins(250,0,0,200);
        layout3.addView(ebutton,params4);
        
        framelayout.addView(layout3);
        
        setContentView(framelayout);
    }
    public void onClick(View v){
        if((ImageButton)v==abutton)
            sound1.pause();
            click.start();
        if((ImageButton)v==bbutton)
            click.start();
            Intent intent=new Intent(AsobikataActivity.this,Sousa.class);
            startActivity(intent);
        if((ImageButton)v==cbutton)
            click.start();
            Intent intent1=new Intent(AsobikataActivity.this,Item.class);
            startActivity(intent1);
        if((ImageButton)v==dbutton)
            sound1.pause();
            click.start();
        if((ImageButton)v==ebutton)
            sound1.pause();
            click.start();
    }


    }