Spinner - Custom spinner

- spinner_item.xml:

<?xml version="1.0" encoding="utf-8"?>

<TextView  
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" 
    android:layout_height="wrap_content"
    android:textSize="20sp"
    android:gravity="left"  
    android:textColor="#FF0000"         
    android:padding="5dip"
/>

- Chèn xml vào adapter :

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list);