最近在做一个Rss阅读器,我看了一看别人做的阅读器中的lisView可以伸缩,展开,我就在网上搜索了一下。果然让我找到,下面就我找到的一个小例子,给大家分享一下。
ActivityMain .java
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package com.android; import android.app.ExpandableListActivity; import android.os.Bundle; import android.view.ContextMenu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.widget.ExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.TextView; import android.widget.Toast; import android.widget.ExpandableListView.ExpandableListContextMenuInfo; public class ActivityMain extends ExpandableListActivity { private ExpandableListAdapter mAdapter; @Override public void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); this .setTitle( "ExpandableList" ); mAdapter = new MyExpandableListAdapter( this ); setListAdapter(mAdapter); registerForContextMenu( this .getExpandableListView()); } //为列表的每一项创建上下文菜单(即长按后 呼出的菜单) @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { menu.setHeaderTitle( "ContexMenu" ); menu.add( 0 , 0 , 0 , "ContextMenu" ); } //单击上下文菜单后的逻辑 @Override public boolean onContextItemSelected(MenuItem item) { ExpandableListContextMenuInfo info = (ExpandableListContextMenuInfo)item.getMenuInfo(); String id="codetool">
MyExpandableListAdapter.java
运行的结果如下:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。 原文链接:https://blog.csdn.net/ghd2000/article/details/5778850 延伸 · 阅读
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