ExpandableListView(实现ListView嵌套ListView的效果)

package C_ExpandableListView.C_ExpandableListView; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.TextView; public class C_ExpandableListView extends Activity { ExpandableListView expandableList; public String[] str1 = { "好友", "同学", "亲戚" }; public String[] str2 = { "大龙虾", "小土豆", "肥螃蟹", "瘦辣椒", "烂芋头", "大龙虾", "小土豆", "肥螃蟹", "瘦辣椒", "烂芋头", "大龙虾", "小土豆", "肥螃蟹", "瘦辣椒", "烂芋头", "大龙虾", "小土豆", "肥螃蟹", "瘦辣椒", "烂芋头" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); expandableList = (ExpandableListView) C_ExpandableListView.this .findViewById(R.id.ExpandableListView01); expandableList.setAdapter(new TreeViewAdapter(this)); } public class TreeViewAdapter extends BaseExpandableListAdapter { private LayoutInflater inflater; private LayoutInflater inflater1; public TreeViewAdapter(Context c) { this.inflater = LayoutInflater.from(c); this.inflater1 = LayoutInflater.from(c); } @Override public Object getChild(int groupPosition, int childPosition) { return childPosition; } @Override public long getChildId(int groupPosition, int childPosition) { // TODO Auto-generated method stub return 0; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { View myView = inflater1.inflate(R.layout.cc, null); /* * if (childPosition == 0) { * myView.setBackgroundResource(R.drawable.water); } if * (childPosition == 1) { * myView.setBackgroundResource(R.drawable.water); } */ myView.setBackgroundResource(R.drawable.child); TextView textview = (TextView) myView .findViewById(R.id.TextView001); textview.setText(str2[childPosition]); return myView; } @Override public int getChildrenCount(int groupPosition) { // TODO Auto-generated method stub return str2.length; } @Override public Object getGroup(int groupPosition) { // TODO Auto-generated method stub return "dd"; } @Override public int getGroupCount() { // TODO Auto-generated method stub return 3; } @Override public long getGroupId(int groupPosition) { // TODO Auto-generated method stub return groupPosition; } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { View myView = inflater.inflate(R.layout.dd, null); /* * if (groupPosition == 0) { * myView.setBackgroundResource(R.drawable.icon); } if * (groupPosition == 1) { * myView.setBackgroundResource(R.drawable.icon); } if * (groupPosition == 2) { * myView.setBackgroundResource(R.drawable.icon); } */ myView.setBackgroundResource(R.drawable.group); TextView textview = (TextView) myView.findViewById(R.id.TextView01); textview.setText(str1[groupPosition]); return myView; } private Object getResources() { // TODO Auto-generated method stub return null; } @Override public boolean hasStableIds() { // TODO Auto-generated method stub return false; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { // TODO Auto-generated method stub return false; } } }