Comment créer Spinner-liste à l'aide de CustomAdapter dans android

dans mon application,je veux créer SpinnerList à l'aide de CustomAdapter classe,Pour ce que j'ai écrit ci-dessous le code mais quand je tape sur spinner liste de tableau Liste les images ne s'affichent pas dans spinner-liste comme mon écran ci-dessous pourquoi ce problème est à venir?

main_layout.xml:-

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

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dip"
        android:text="Category:"
        android:layout_marginBottom="5dp"/>

    <Spinner
        android:id="@+id/spinner"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>

</LinearLayout>

MainActivity:-

public class MainActivity extends AppCompatActivity  {

    public static final String[] titles = new String[] { "Strawberry",
            "Banana", "Orange", "Hello" };

    public static final Integer[] images = { R.drawable.image1,
            R.drawable.image2, R.drawable.image3, R.drawable.image4 };

    Spinner spinner;
    List<RowItem> rowItems;

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

        rowItems = new ArrayList<RowItem>();
        for (int i = 0; i < titles.length; i++) {

            RowItem item = new RowItem(titles[i],images[i]);
            rowItems.add(item);
        }

        spinner = (Spinner)findViewById(R.id.spinner);
       CustomAdapter adapter = new CustomAdapter(MainActivity.this,
            R.layout.listitems_layout, R.id.title, rowItems);
        spinner.setAdapter(adapter);
    }
}

listitems_layout.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:orientation="horizontal">

    <ImageView
        android:id="@+id/icon"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:src="@drawable/image1"
        android:padding="10dp"
        />

    <TextView
        android:layout_marginTop="30dp"
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/icon"
        android:textColor="#CC0033"
        android:text="Strawberry"
        android:textSize="16dp" />

</LinearLayout>

CustomAdapter:-

package com.example.venkat.spinnerexample1;


import android.app.Activity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.view.LayoutInflater;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

public class CustomAdapter extends ArrayAdapter<RowItem> {

    LayoutInflater flater;

     public CustomAdapter(Activity context,int resouceId, int textviewId, List<RowItem> list){

    super(context,resouceId,textviewId, list);
    flater = context.getLayoutInflater();
}

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        RowItem rowItem = getItem(position);

        View rowview = flater.inflate(R.layout.listitems_layout,null,true);

        TextView txtTitle = (TextView) rowview.findViewById(R.id.title);
        txtTitle.setText(rowItem.getTitle());

        ImageView imageView = (ImageView) rowview.findViewById(R.id.icon);
        imageView.setImageResource(rowItem.getImageId());

        return rowview;
    }
}

RowItem:-

package com.example.venkat.spinnerexample1;

public class RowItem {

    private int ImageId;
    private String Title;

    public RowItem(String Title,int ImageId){

        this.Title = Title;
        this.ImageId = ImageId;
    }

    public String getTitle(){

        return Title;
    }

    public void setTitle(String Title){

        this.Title = Title;
    }

    public int getImageId(){

        return ImageId;
    }

    public void setImageId(int ImageId){

        this.ImageId = ImageId;
    }

    @Override
    public String toString() {
        return Title ;
    }
}

écran:-
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OriginalL'auteur AbhiRam | 2016-03-14