长按可突出显示自定义列表视图项

我创建了一个自定义listview，该自定义ImageView在左侧和TextView右侧。并Listview通过actionbar上下文菜单实现多选。

问题是，当我长时间单击某个项目时，它没有突出显示。

这是我listview在我中设置的方式ListFragment

PasswordsFragment.java

package mohd.itcs.safewallet;

import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;

public class PasswordsFragment extends ListFragment {

private String titles[] = { "item1", "item2", "item3" };

@Override
public void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setListAdapter(new CustomPasswordsList(getActivity(), titles));

}

@Override
public void onActivityCreated(Bundle savedInstanceState) {

    super.onActivityCreated(savedInstanceState);

    /*
     * Setup Multiple Selection Mode
     */
    getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
    getListView().setOnItemLongClickListener(new OnItemLongClickListener() {

        @Override
        public boolean onItemLongClick(AdapterView<?> listview, View item,
                int position, long id) {
            getListView().setItemChecked(position, true);
            return true;
        }

    });

    getListView().setMultiChoiceModeListener(new MultiChoiceModeListener() {

        @Override
        public boolean onActionItemClicked(ActionMode arg0, MenuItem arg1) {
            // TODO Auto-generated method stub
            return false;
        }

        /*
         * Inflate Actionbar Menu for Passwords Multiple Selection
         */
        @Override
        public boolean onCreateActionMode(ActionMode arg0, Menu menu) {
            getActivity().getMenuInflater().inflate(
                    R.menu.passwords_context_menu, menu);
            return true;
        }

        @Override
        public void onDestroyActionMode(ActionMode arg0) {
        }

        @Override
        public boolean onPrepareActionMode(ActionMode arg0, Menu arg1) {
            return false;
        }

        @Override
        public void onItemCheckedStateChanged(ActionMode actionMode,
                int position, long id, boolean arg3) {
            /*
             * Change Title bar to number of selection
             */
            int checkedItems = getListView().getCheckedItemCount();
            actionMode.setTitle(String.valueOf(checkedItems) + " Selected");
        }
    });

}

}

CustomPasswordsList.java

package mohd.itcs.safewallet;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class CustomPasswordsList extends ArrayAdapter<String> {

private final Context context;
private final String values[];

public CustomPasswordsList(Context context, String[] values)
{
    super(context, R.layout.password_list_item, values);
    this.context = context;
    this.values = values;
}

public View getView(int position, View convertView, ViewGroup parent)
{
    LayoutInflater inflater = (LayoutInflater)    context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    View rowView = inflater.inflate(R.layout.password_list_item, parent, false);
    TextView passwordTitle = (TextView) rowView.findViewById(R.id.textView_passwordTitle);
    ImageView passwordIcon = (ImageView) rowView.findViewById(R.id.imageView_passwordIcon);

    passwordTitle.setText(values[position]);

    passwordIcon.setImageResource(R.drawable.facebook);


    return rowView;
}

}

passwords_list_item

<?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:weightSum="1"
    android:orientation="horizontal" >

<ImageView 
    android:id="@+id/imageView_passwordIcon"
    android:layout_height="60dp"
    android:contentDescription="@string/imageView_passwordIcon"
    android:layout_width="60dp" />

<TextView 
    android:id="@+id/textView_passwordTitle"
    android:layout_height="wrap_content"
    android:layout_width="0dp"
    android:paddingLeft="10dp"
    android:paddingTop="15dp"
    android:textSize="16sp"
    android:textColor="#000000"
    android:layout_weight="1" />

</LinearLayout>