Nested ExpandableListView questions about ExpandableListView

            
I nested in ExpandableListView in ExpandableListView
Is nested in the ExpandableListView child can not open
Only a child can not be changed so high high
main class

 
package R.M.activity; 

import java.io.File; 
import java.util.ArrayList; 
import java.util.List; 
import R.M.R; 
import R.M.adapter.rmAdapter; 
import android.app.ExpandableListActivity; 
import android.os.Bundle; 

public class MainActivity extends ExpandableListActivity {
/ ** Called when the activity is first created. * / 
String rootpath = "/"; 

@ Override 
public void onCreate (Bundle savedInstanceState) {
super.onCreate (savedInstanceState); 
setContentView (R.layout.main); 
File root = new File (rootpath); 
File [] files = root.listFiles (); 
List  child = new ArrayList  (); 
for (File file: files) {
child.add (file.listFiles ()); 
} 
setListAdapter (new rmAdapter (files, child, this)); 
} 
} 

adapter

 
package R.M.adapter; 

import java.io.File; 
import java.util.ArrayList; 
import java.util.List; 
import R.M.R; 
import android.content.Context; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.BaseExpandableListAdapter; 
import android.widget.ExpandableListView; 
import android.widget.TextView; 

/ ** 
* @ Author yubin 
* @ Version 2012-4-10 07:37:49 
 pm** / 
public class rmAdapter extends BaseExpandableListAdapter {
File [] parentfiles = new File [1]; 
List  childlist = new ArrayList  (); 
Context context; 
LayoutInflater inflater; 

public rmAdapter (File [] p, List  c, Context con) {
parentfiles = p; 
childlist = c; 
context = con; 
} 

@ Override 
public File getChild (int groupPosition, int childPosition) {
return childlist.get (groupPosition) [childPosition]; 
} 

@ Override 
public long getChildId (int groupPosition, int childPosition) {
return childPosition; 
} 

@ Override 
public int getChildrenCount (int groupPosition) {
return childlist.get (groupPosition)! = null? childlist 
. Get (groupPosition) length:. 0; 
} 

@ Override 
public File getGroup (int groupPosition) {
return parentfiles [groupPosition]; 
} 

@ Override 
public int getGroupCount () {
return parentfiles.length; 
} 

@ Override 
public long getGroupId (int groupPosition) {
return groupPosition; 
} 

@ Override 
public boolean hasStableIds () {
return true; 
} 

@ Override 
public boolean isChildSelectable (int groupPosition, int childPosition) {
return true; 
} 

@ Override 
public View getGroupView (int groupPosition, boolean isExpanded, 
View convertView, ViewGroup parent) {
inflater = (LayoutInflater) context 
. GetSystemService (Context.LAYOUT_INFLATER_SERVICE); 
convertView = inflater.inflate (R.layout.parent, null); 
parentitem p = new parentitem (); 
p.tvp = (TextView) convertView.findViewById (R.id.tvparent); 
p.tvp.setText (parentfiles [groupPosition] getName ().); 
return convertView; 
} 

class parentitem {
TextView tvp; 
} 

@ Override 
public View getChildView (int groupPosition, int childPosition, 
boolean isLastChild, View convertView, ViewGroup parent) {
if (childlist.get (groupPosition) [childPosition]. isDirectory ()) {
inflater = (LayoutInflater) context 
. GetSystemService (Context.LAYOUT_INFLATER_SERVICE); 
convertView = inflater.inflate (R.layout.childfile, null); 
ExpandableListView elv = (ExpandableListView) convertView 
. FindViewById (R.id.elvmain); 
File [] parentfile = childlist.get (groupPosition) [childPosition] 
. ListFiles (); 
List  childfile = new ArrayList  (); 
for (File file: parentfile) {
childfile.add (file.listFiles ()); 
} 
elv.setAdapter (new rmAdapter (parentfile, childfile, context)); 
} 
else {
inflater = (LayoutInflater) context 
. GetSystemService (Context.LAYOUT_INFLATER_SERVICE); 
convertView = inflater.inflate (R.layout.child, null); 
parentitem p = new parentitem (); 
p.tvp = (TextView) convertView.findViewById (R.id.tvchild); 
p.tvp.setText (childlist.get (groupPosition) [childPosition] getName ().); 
} 
return convertView; 
} 
} 

main class XML

 
 
xmlns: android = "http://schemas.android.com/apk/res/android" 
android: orientation = "vertical" 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content" 
android: background = "# ffffff"> 
android: id = "@ id / android: list" 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content" 
android: fadingEdge = "none"> 
 
 

children of ExpandableListView's XML

 
 
xmlns: android = "http://schemas.android.com/apk/res/android" 
android: orientation = "vertical" 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content" 
android: background = "# ffffff"> 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content" 
android: layout_marginLeft = "40dip"> 
android: id = "@ + id / elvmain" 
android: layout_width = "fill_parent" 
android: layout_height = "wrap_content" 
android: fadingEdge = "none"> 
 
 
 

Reply:

The reply was deleted at 2012-04-18 10:40:04 moderator

Reply:

The reply was deleted at the moderator 2012-04-19 14:43:16

Reply:

The reply was deleted at 2012-04-20 13:37:51 moderator

Reply:
Is no one will do?

Reply:
Go look at this
http://blog.csdn.net/jasonzhou613/article/details/7892891
I just solved a similar problem, I hope useful to you.
Reply:
Will you not solve ah
Reply:

references, 5th Floor reply:

to look at this
http://blog.csdn.net/jasonzhou613/article/details/7892891
I just solved a similar problem, I hope useful to you.

That just sets a layer of me that is not useful to determine the set of layers or wood
But thank you
Posts to not end up divided
Reply:
Landlord solved? I have encountered this problem
Reply:
Finally, how to get ah?