Android API Chinese (--adapterview.onitemselectedlistener)

Objective

This chapter is Android.widget.AdapterView.OnItemSelectedListener, version of Android 2.3 R1, translated from "Cnmahj", Welcome to visit his blog:/http android.toolib.net/blog/, thanks again for "Cnmahj"! You are welcome to participate in the Chinese translation of Android API, contact me [email protected].

Statement

Welcome reprint, but please keep the original source of the article:)

Blog Park: http://www.cnblogs.com/

Android Chinese translation group: http://code.taobao.org/project/view/404/

Body

First, the structure

public static interface Adapterview.onitemselectedlistener

Ii. Overview

　　　　Defines the interface of the callback function that is called when an item in the view is selected.

Iii. Public methods

　　public abstract void onitemselected (adapterview<?> Parent, view view, int position, Long ID)

　　The callback function that is executed when the item in the view is selected. When implemented, you can call getitematposition (position) if you need to access the data associated with the selected entry.

　　Parameters

　　The parent takes the Abslistview of the selected event.

　　The view that is selected in the View Abslistview.

　　The position (index) of the position view in the list.

　　ID is clicked on the line ID of the entry.

　　public abstract void onnothingselected (adapterview<?> Parent)

　　The callback function that executes when the selected entries in the View all disappear. Starting the touch feature or empty the adapter may cause the selected entry to disappear.

　　Parameters

The parent does not have any Adapterview for the selected entry.

Iv. Supplementary

　　　　This article was converted from the Android Chinese online document .

V. Related chapters

Android API Chinese (--adapterview)

Android API Chinese (--adapterview.onitemselectedlistener)