Question

Adapter在android中是什么意思

Answer 1

apapter使数据绑定到控件变得更加简单和灵活...用途为容器提供子视图，利用视图的数据和元数据来构建每个子视图。有 arrayAdapter ，simpleCursorAdapter， cursorAdapter resourceCursorAdapter 如果需要自定义适配器 可以扩展抽象类BaseAdapter

Answer 2

An Adapter object acts as a bridge between an AdapterView and the underlying data for that view. The Adapter provides access to the data items. The Adapter is also responsible for making a View for each item in the data set.

参考：http://developer.android.com/reference/android/widget/Adapter.html

Adapter在Android中占据一个重要的角色，它是数据和UI（View）之间一个重要的纽带。在常见的View(ListView,GridView)等地方都需要用到Adapter。