activity_main.xml
10年積累的成都網(wǎng)站建設(shè)、做網(wǎng)站經(jīng)驗(yàn),可以快速應(yīng)對(duì)客戶對(duì)網(wǎng)站的新想法和需求。提供各種問(wèn)題對(duì)應(yīng)的解決方案。讓選擇我們的客戶得到更好、更有力的網(wǎng)絡(luò)服務(wù)。我雖然不認(rèn)識(shí)你,你也不認(rèn)識(shí)我。但先制作網(wǎng)站后付款的網(wǎng)站建設(shè)流程,更有遼寧免費(fèi)網(wǎng)站建設(shè)讓你可以放心的選擇與我們合作。<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.expandablelistview.MainActivity" > <ExpandableListView android:id="@+id/ExpandableListView1_1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:groupIndicator="@null" > </ExpandableListView> </RelativeLayout> <!-- android:groupIndicator="@null"去掉自帶的箭頭圖標(biāo) -->
group_item.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <ImageView android:id="@+id/p_w_picpathViewgroup_1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" /> <TextView android:id="@+id/textViewgroup_1" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout>
child_item.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <ImageView android:id="@+id/p_w_picpathViewchild_1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" android:padding="10dp" /> <TextView android:id="@+id/textViewchild_1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="sdfds" android:padding="10dp" /> </LinearLayout>
MainActivity
package com.example.expandablelistview; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.ImageView; import android.widget.TextView; public class MainActivity extends Activity { private ExpandableListView expandableListView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); expandableListView=(ExpandableListView) findViewById(R.id.ExpandableListView1_1); expandableListView.setAdapter(new MyExpandableListAdapter()); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } class MyExpandableListAdapter extends BaseExpandableListAdapter{ private String[] skills = new String[]{ "WORD", "EXCEL", "EMAIL", "PPT" }; private String[][] groups = new String[][]{ {"文檔編輯", "文檔排版", "文檔處理", "文檔打印"}, {"表格編輯", "表格排版", "表格處理", "表格打印"}, {"收發(fā)郵件", "管理郵箱", "登錄登出", "注冊(cè)綁定"}, {"演示編輯", "演示排版", "演示處理", "演示打印"}, }; @Override public int getGroupCount() { // TODO Auto-generated method stub return skills.length; } //二級(jí)列表的數(shù)量 @Override public int getChildrenCount(int groupPosition) { // TODO Auto-generated method stub return groups[groupPosition].length; } //返回每一組的對(duì)象 @Override public Object getGroup(int groupPosition) { // TODO Auto-generated method stub return skills[groupPosition]; } //返回每組中的列表項(xiàng) @Override public Object getChild(int groupPosition, int childPosition) { // TODO Auto-generated method stub return groups[groupPosition][childPosition]; } @Override public long getGroupId(int groupPosition) { // TODO Auto-generated method stub return groupPosition; } @Override public long getChildId(int groupPosition, int childPosition) { // TODO Auto-generated method stub return childPosition; } @Override public boolean hasStableIds() { // TODO Auto-generated method stub return true; } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { // TODO Auto-generated method stub if(convertView==null){ convertView=getLayoutInflater().inflate(R.layout.group_item, null); } ImageView p_w_picpathView=(ImageView) convertView.findViewById(R.id.p_w_picpathViewgroup_1); TextView textView=(TextView) convertView.findViewById(R.id.textViewgroup_1); p_w_picpathView.setImageResource(R.drawable.ic_launcher); textView.setText(skills[groupPosition]); return convertView; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { // TODO Auto-generated method stub if(convertView==null){ convertView=getLayoutInflater().inflate(R.layout.child_item, null); ImageView p_w_picpathView=(ImageView) convertView.findViewById(R.id.p_w_picpathViewchild_1); TextView textView=(TextView) convertView.findViewById(R.id.textViewchild_1); p_w_picpathView.setImageResource(R.drawable.ic_launcher); textView.setText(groups[groupPosition][childPosition]); } return convertView; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { // TODO Auto-generated method stub return true; } } }
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