Android Add Images On Spinner

1) MainActivity.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="spinnerimage.spinnerimage.MainActivity">


    <Spinner
        android:id="@+id/spinner"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="88dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:background="@drawable/spinner"/>

</RelativeLayout>

2) MainActivity.java

public class MainActivity extends AppCompatActivity {

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

        ArrayList<ItemData> list=new ArrayList<>();
        list.add(new ItemData("Bank",R.drawable.bank_icon));
        list.add(new ItemData("Entertainment",R.drawable.entertainment_icon));
        list.add(new ItemData("Fashion",R.drawable.fashion_icon));
        list.add(new ItemData("Govt",R.drawable.govt_icon));
        Spinner sp=(Spinner)findViewById(R.id.spinner);
        SpinnerAdapter adapter=new SpinnerAdapter(this,
                R.layout.spinner_layout,R.id.txt,list);
        sp.setAdapter(adapter);
    }
}

3) ItemData.java

public class ItemData {
    String text;
    Integer imageId;
    public ItemData(String text, Integer imageId){
        this.text=text;
        this.imageId=imageId;
    }

    public String getText(){
        return text;
    }

    public Integer getImageId(){
        return imageId;
    }
}

4) SpinnerAdapter.java

public class SpinnerAdapter extends ArrayAdapter<ItemData> {
    int groupid;
    Activity context;
    ArrayList<ItemData> list;
    LayoutInflater inflater;
    public SpinnerAdapter(Activity context, int groupid, int id, ArrayList<ItemData>
            list){
        super(context,id,list);
        this.list=list;
        inflater=(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        this.groupid=groupid;
    }

    public View getView(int position, View convertView, ViewGroup parent ){
        View itemView=inflater.inflate(groupid,parent,false);
        ImageView imageView=(ImageView)itemView.findViewById(R.id.img);
        imageView.setImageResource(list.get(position).getImageId());
        TextView textView=(TextView)itemView.findViewById(R.id.txt);
        textView.setText(list.get(position).getText());
        return itemView;
    }

    public View getDropDownView(int position, View convertView, ViewGroup
            parent){
        return getView(position,convertView,parent);

    }
}