Android 下拉菜单 Spinner 赋值

private Spinner m_spiModel = null; //产品型号
m_spiModel = (Spinner) findViewById(R.id.spiModel);//产品型号

String strModel_init="A型,B型,C型,D型";
String[] arrModel =strModel_value.split(",");//转换 数组

ArrayAdapter<String> adapter;//数组 配置器 下拉菜单赋值用
//将可选内容与ArrayAdapter连接起来  
adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,arrModel);     
//设置下拉列表的风格  
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  
m_spiModel.setAdapter(adapter);//将adapter 添加到spinner中    
m_spiModel.setVisibility(View.VISIBLE);//设置默认值