Android: Spinner with custom adapter and layout

custom_spinner

String[] ss = getResources().getStringArray(R.array.authors_array);
final String[] items = { ss[1],ss[2],ss[3],ss[4],ss[5],ss[6],ss[7],ss[8],ss[0] };
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("نتيجه جستجو");
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
        R.layout.row_for_spinner, R.id.lblText, items);
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
	
	@Override
	public void onClick(DialogInterface dialog, int which) {
		// TODO Auto-generated method stub
		
	}
});
builder.show();


//and custom row layout
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="30dp"
android:background="#fff" >

<TextView
    android:id="@+id/tvCust"
    android:layout_width="wrap_content"
    android:layout_height="30dp"
    android:layout_toLeftOf="@+id/radioButton1"
    android:gravity="left|center_vertical"
    android:textColor="#000"
    android:textSize="15sp" />

    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="30dp"
        android:layout_alignParentRight="true" />

</RelativeLayout>