ExpandableListView 我的小例子2

先看一下效果截图：

 

 

 

 

代码如下：

 

package gyf.google;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.R.string;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.View.OnClickListener;import android.widget.AbsListView;import android.widget.BaseExpandableListAdapter;import android.widget.Button;import android.widget.ExpandableListView;import android.widget.TextView;import android.widget.Toast;public class g2 extends Activity { /** Called when the activity is first created. */private List<Map<String, Object>> group=new ArrayList<Map<String,Object>>();private List<List<Map<String, Object>>> child=new ArrayList<List<Map<String,Object>>>();public void initList(){ //////////////////group添加数据 Map<String, Object> map=new HashMap<String, Object>(); map.put("group", "家人"); group.add(map); map=new HashMap<String, Object>(); map.put("group", "同学"); group.add(map); map=new HashMap<String, Object>(); map.put("group", "同事"); group.add(map); ///////////////////////child添加数据 List<Map<String, Object>> itemList=new ArrayList<Map<String,Object>>(); map=new HashMap<String, Object>(); map.put("name", "老婆"); map.put("tel", "12458751102"); itemList.add(map); map=new HashMap<String, Object>(); map.put("name", "我"); map.put("tel", "15138750769"); itemList.add(map); map=new HashMap<String, Object>(); map.put("name", "妈"); map.put("tel", "15111091111"); itemList.add(map); child.add(itemList); itemList=new ArrayList<Map<String,Object>>(); map=new HashMap<String, Object>(); map.put("name", "甲"); map.put("tel", "15236485026"); itemList.add(map); map=new HashMap<String, Object>(); map.put("name", "乙"); map.put("tel", "12451368452"); itemList.add(map); child.add(itemList); itemList=new ArrayList<Map<String,Object>>(); map=new HashMap<String, Object>(); map.put("name", "丙"); map.put("tel", "14216983625"); itemList.add(map); child.add(itemList);} @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ExpandableListView elView=(ExpandableListView)findViewById(R.id.g1_expandableListView1); initList(); myExpandable mExpandable=new myExpandable(this, group, child); elView.setAdapter(mExpandable); } public class myExpandable extends BaseExpandableListAdapter{ Context context; List<Map<String, Object>> group=null; List<List<Map<String, Object>>> child=null; LayoutInflater inflater=null; public class holder{ TextView nameTextView; TextView telTextView; Button button; } public myExpandable(Context cActivity,List<Map<String, Object>> groupList,List<List<Map<String, Object>>> childList){ this.context=cActivity; this.group=groupList; this.child=childList; inflater=(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); }@Overridepublic Object getChild(int groupPosition, int childPosition) {// TODO Auto-generated method stubreturn child.get(groupPosition).get(childPosition);}@Overridepublic long getChildId(int groupPosition, int childPosition) {// TODO Auto-generated method stubreturn childPosition;}@Overridepublic View getChildView(int groupPosition, int childPosition,boolean isLastChild, View convertView, ViewGroup parent) {// TODO Auto-generated method stubholder h=null;if (convertView==null) {convertView=inflater.inflate(R.layout.child_layout, null);h=new holder();h.nameTextView=(TextView)convertView.findViewById(R.id.childname_textView1);h.telTextView=(TextView)convertView.findViewById(R.id.childTel_textView2);h.button=(Button)convertView.findViewById(R.id.child_update_button);convertView.setTag(h);}else {h=(holder)convertView.getTag();}Map<String, Object> map=child.get(groupPosition).get(childPosition);if (map.size()>0) {h.nameTextView.setText((String)map.get("name"));h.telTextView.setText((String)map.get("tel"));h.button.setOnClickListener(new myOnclickListener11(groupPosition,childPosition));}return convertView;}class myOnclickListener11 implements OnClickListener{private int groupPosition;private int childPosition;public myOnclickListener11(int gPosition,int cPosition){this.groupPosition=gPosition;this.childPosition=cPosition;}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubToast.makeText(context, "您单击了修改", Toast.LENGTH_SHORT).show();child.get(groupPosition).get(childPosition).put("tel", "1111111");myExpandable.this.notifyDataSetChanged();}}@Overridepublic int getChildrenCount(int groupPosition) {// TODO Auto-generated method stubreturn child.get(groupPosition).size();}@Overridepublic Object getGroup(int groupPosition) {// TODO Auto-generated method stubreturn group.get(groupPosition);}@Overridepublic int getGroupCount() {// TODO Auto-generated method stubreturn group.size();}@Overridepublic long getGroupId(int groupPosition) {// TODO Auto-generated method stubreturn groupPosition;}@Overridepublic View getGroupView(int groupPosition, boolean isExpanded,View convertView, ViewGroup parent) {// TODO Auto-generated method stubString string=(String)group.get(groupPosition).get("group");return getGenericView(string);}@Overridepublic boolean hasStableIds() {// TODO Auto-generated method stubreturn false;}@Overridepublic boolean isChildSelectable(int groupPosition, int childPosition) {// TODO Auto-generated method stubreturn true;}public TextView getGenericView(String s){AbsListView.LayoutParams lp = new AbsListView.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, 64);TextView text = new TextView(context);text.setLayoutParams(lp);text.setGravity(Gravity.CENTER_VERTICAL|Gravity.LEFT);text.setPadding(50, 0, 0, 0);text.setText(s);return text;} }}