关于Spinner控件几点说明

1. 关于获取Spinner 控件的Item

代码示例如下

Spinner spinner = (Spinner)findViewById(R.id.spinnerYwy);
spinner.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,arrayListJsr));
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
   @Override
   public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
       Toast.makeText(CkPxmAddActivity.this,""+adapterView.getItemAtPosition(i),Toast.LENGTH_LONG).show();
   }

   @Override
   public void onNothingSelected(AdapterView<?> adapterView) {

   }
});

 主要是调用 adpterView对象的getItemAtPostion()方法，该方法有一个int参数，用于指定要获取的Item索引 即 int i 参数