Android - การทำงานระหว่าง Fragment กับ Activityที่2 มีปัญหาครับผม

package th.ac.kmutnb.reachtotemple;

import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;



public class ListData extends Activity{
	
	public static final String PK = "PK_macth_data";
	public static final String NAMETEMPLE = "nameTemple";
	public static final String SCORE = "score";
	//public static final String PEOPLE = "people";
	public static final String INTERVAL = "interval";
	
	private ArrayList<Integer> pk;
	private ArrayList<String> nameTemple;
	private double[] score;
	private double[] interval;
	//private int[] people;
	private ListView listView;
	private int[] resource;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {		
		super.onCreate(savedInstanceState);
		
		setContentView(R.layout.list);	
		
		final Database mHelper  =  new Database(this);
		
		score = null;
		interval = null;
		
		Bundle bundle = getIntent().getExtras();
		
		
		pk = bundle.getIntegerArrayList(PK);//receive PK
		nameTemple = bundle.getStringArrayList(NAMETEMPLE);//receive NameTemple	
		score = bundle.getDoubleArray(SCORE);//receive score
		//people = bundle.getIntArray(PEOPLE);//receive people
		interval = bundle.getDoubleArray(INTERVAL);//receive interval
		
		
		//pull picture value from listview_value.xml 
		resource = getImageArray(R.array.image_temple,R.drawable.ic_launcher);		
		
		//work with ListDataAdapter.java that match pk
		listView = (ListView)findViewById(R.id.listData);
		
        listView.setAdapter(new ListDataAdapter(getApplicationContext()
        		, android.R.id.text1, nameTemple, resource, score, interval));       
        
       //===== Event =====
       listView.setOnItemClickListener(new OnItemClickListener() {
    	   
			public void onItemClick(AdapterView<?> arg0, View arg1, 
					int arg2,long arg3) {
				
				/*Intent i = new Intent(ListData.this,Detail.class);	
				i.putExtra("PK_User_Choose", pk.get(arg2));//send PK that user's choose to Class Detail				
				startActivity(i);*/	
				
				Fragment fragment = new Detail();
		        Bundle args = new Bundle();
		        args.putInt(ListData.PK, pk.get(arg2));		        
		        fragment.setArguments(args);

		        FragmentManager fragmentManager = getFragmentManager();
		        
		      //===================================================================================
		      //===================================================================================
		      //===========PROBLEM========PROBLEM=====PROBLEM=========PROBLEM======PROBLEM===
		      //===================================================================================
		      //===================================================================================
		        fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
		      //===================================================================================
		      //===================================================================================
		      //===================================================================================
		      //===================================================================================		        
		      //===================================================================================
			}
        });
       
       listView.setOnItemLongClickListener(new OnItemLongClickListener() {

			@Override
			public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
					final int arg2, long arg3) {			
				
				String[] mes = {Database.COL_KEY_TEMPLE,Database.COL_NAME_TEMPLE};  					
				
		    	Cursor mCursor = mHelper.select(mes,  Database.TABLE_BOOKMARK, Database.COL_KEY_TEMPLE, 
		    			""+pk.get(arg2), false, true);
		    
				
		    	mCursor.moveToFirst();
		    	if(mCursor.isAfterLast()){	    		
		    		 AlertDialog.Builder addBookmark = new AlertDialog.Builder(ListData.this);
		    		 addBookmark.setTitle("ADD");
		    		 addBookmark.setMessage("Do you want to ADD this temple to bookmark ?");
		    		 addBookmark.setPositiveButton("OK", new DialogInterface.OnClickListener() {
			    		  public void onClick(DialogInterface arg0, int arg1) {
			    			  new Bookmark(getApplicationContext()).memo(pk.get(arg2), nameTemple.get(arg2));			    			  
			    		  }});
		    		 addBookmark.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {		    		       
			    		  public void onClick(DialogInterface arg0, int arg1) {
			    			  // do something when the Cancel button is clicked
			    		  }});
		    		 addBookmark.show();
		    		
		    		
		    	}else{		    		
		    		AlertDialog.Builder deleteBookmark = new AlertDialog.Builder(ListData.this);
		    		deleteBookmark.setTitle("DELETE");
		    		deleteBookmark.setMessage("Do you want to DELETE this temple from bookmark ?");
		    		deleteBookmark.setPositiveButton("OK", new DialogInterface.OnClickListener() {
			    		  public void onClick(DialogInterface arg0, int arg1) {			    			  
			    			  if(new Bookmark(getApplicationContext()).delete(pk.get(arg2))){			    		    		 
			    		    		refreshBookmark(pk.get(arg2));
			    		      }
			    		  }});
		    		deleteBookmark.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {		    		       
			    		  public void onClick(DialogInterface arg0, int arg1) {
			    			// do something when the Cancel button is clicked
			    		  }});
		    		deleteBookmark.show();
		        }	
		    	
		    	mHelper.closeConnection();
		    	mCursor.close();
		    	
				return true;
			}    	   
	});       
    
	}
	
	private void refreshBookmark(int position){
		Database mHelper  =  new Database(this);
	
		String[] mes = {Database.COL_KEY_TEMPLE,Database.COL_NAME_TEMPLE};  					
		
    	Cursor mCursor = mHelper.select(mes,  Database.TABLE_BOOKMARK, null, 
    			null, false, false);
    	
    	nameTemple.clear();
    	pk.clear();

    	mCursor.moveToFirst();
    	if(mCursor.isAfterLast()){
    		Toast.makeText(getApplicationContext(), "Empty bookmark", Toast.LENGTH_SHORT).show();	   			    		
    	}else{
    		while (!mCursor.isAfterLast()){
				nameTemple.add(mCursor.getString(mCursor.getColumnIndex(Database.COL_NAME_TEMPLE)));//keep name temple
				pk.add(mCursor.getInt(mCursor.getColumnIndex(Database.COL_KEY_TEMPLE)));//keep PK
				mCursor.moveToNext();	
	    	}		
		}
    	
    	mHelper.closeConnection();
    	mCursor.close();
    	
    	
		listView.setAdapter(new ListDataAdapter(getApplicationContext()
        	, android.R.id.text1, nameTemple, resource,null,null));
	}
	
	//pull picture value from listview_value.xml 
	private int[] getImageArray(int resId, int defResId) {
        TypedArray my_image_array = getResources().obtainTypedArray(resId);
        
        int[] array_res = new int[pk.size()];
        
        for(int i = 0 ; i < array_res.length ; i++) {
            array_res[i] = my_image_array.getResourceId(pk.get(i), defResId);
        }
        
        my_image_array.recycle();
        return array_res;
    }
	

}