I have been working on this for days now.
I set android:focusableInTouchMode="false" but it didn't help.
Here is my code:
Main Activity:
`using System;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using Android.Media;
using Android.Graphics.Drawables;
using Android.Graphics;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;
using Android.Provider;
namespace JMGPhotoPrinterAndroid
{
[Activity (Label = "JMGPhotoPrinter", MainLauncher = true, Icon = "@drawable/icon")]
public class MainActivity : Activity, GestureDetector.IOnGestureListener,ScaleGestureDetector.IOnScaleGestureListener
{
public ExpandableListView lv = null;
public TextView FooterView;
private GestureDetector _gestureDetector;
private ScaleGestureDetector _ScaleGestureDetector;
public bool OnScale(ScaleGestureDetector s){
lv.ScaleX = lv.ScaleX * s.ScaleFactor;
lv.ScaleY = lv.ScaleY * s.ScaleFactor;
return true;
}
public bool OnScaleBegin(ScaleGestureDetector s){
return false;
}
public void OnScaleEnd(ScaleGestureDetector s){
}
public bool OnDown(MotionEvent e)
{
return false;
}
public bool OnFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
FooterView.Text = String.Format("Fling velocity: {0} x {1}", velocityX, velocityY);
return false;
}
public void OnLongPress(MotionEvent e) {}
public bool OnScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
{
return false;
}
public void OnShowPress(MotionEvent e) {}
public bool OnSingleTapUp(MotionEvent e)
{
return false;
}
public override bool OnTouchEvent(MotionEvent e)
{
_ScaleGestureDetector.OnTouchEvent (e);
_gestureDetector.OnTouchEvent(e);
return base.OnTouchEvent (e);
}
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
// Set our view from the "main" layout resource
SetContentView (Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
lv = FindViewById<ExpandableListView> (Resource.Id.lvItems);
FooterView = new TextView (this);
lv.AddFooterView (FooterView);
FooterView.Text = "Fling Velocity: ";
lv.ChoiceMode = ChoiceMode.Multiple;
lv.Clickable = true;
lv.Focusable = true;
lv.FocusableInTouchMode = true;
lv.Touch += (object sender, View.TouchEventArgs e) => {this.OnTouchEvent(e.Event); e.Handled = false;};
_gestureDetector = new GestureDetector(this);
_ScaleGestureDetector = new ScaleGestureDetector (this,this);
System.Collections.Generic.List<ImgFolder> BMList = new System.Collections.Generic.List<ImgFolder>();
System.Diagnostics.Debug.Print (Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryPictures).Path);
string selection = null;
string[] selectionArgs = null;
string[] projection = new string[] {MediaStore.MediaColumns.Id, MediaStore.MediaColumns.Data,
MediaStore.Images.Media.InterfaceConsts.BucketDisplayName, MediaStore.Images.Media.InterfaceConsts.BucketId
};
Android.Database.ICursor mediaCursor = ContentResolver.Query(Android.Provider.MediaStore.Images.Media.ExternalContentUri,
projection, selection,selectionArgs, null);
lib.GetThumbnails (this,false,mediaCursor, BMList);
mediaCursor = ContentResolver.Query(Android.Provider.MediaStore.Images.Media.InternalContentUri,projection,selection,selectionArgs, null);
lib.GetThumbnails (this,true,mediaCursor, BMList);
//ArrayAdapter Adapter = new ArrayAdapter<ImgListItem>(this,Android.Resource.Layout.ActivityListItem,BMList);
PhotoFolderAdapter Adapter = new PhotoFolderAdapter (this, BMList);
lv.SetAdapter (Adapter);
lv.ItemClick += lv_ItemClick;
/* (object sender, AdapterView.ItemClickEventArgs e) => {
View v = e.View;
if (v.Tag != null) {
ViewHolder holder = (ViewHolder)(v.Tag);
ImgListItem ImgListItem = holder.item;
lib.StartViewer (this, ImgListItem.Uri);
}
};
*/
///new EventHandler<AdapterView.ItemClickEventArgs>(lv_ItemClick);
}
private void lv_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
View v = e.View;
if (v.Tag != null) {
ViewHolder holder = (ViewHolder)(v.Tag);
ImgListItem ImgListItem = holder.item;
lib.StartViewer (this, ImgListItem.Uri);
}
}
}
}
`
Adapter:
`using System;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using Android.Media;
using Android.Graphics.Drawables;
using Android.Graphics;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;
using Android.Provider;
namespace JMGPhotoPrinterAndroid
{
public class PhotoFolderAdapter : BaseExpandableListAdapter
{
readonly IList rows;
readonly Activity context;
public PhotoFolderAdapter (Activity context,ListList)
{
this.context = context;
this.rows = List;
}
public override bool HasStableIds
{
// Indexes are used for IDs:
get { return true; }
}
//---------------------------------------------------------------------------------------
// Group methods:
public override long GetGroupId(int groupPosition)
{
// The index of the group is used as its ID:
return groupPosition;
}
public override int GroupCount
{
// Return the number of produce ("vegetables", "fruits", "herbs") objects:
get { return rows.Count; }
}
public override View GetGroupView(int groupPosition, bool isExpanded, View convertView, ViewGroup parent)
{
// Recycle a previous view if provided:
View view = convertView;
// If no recycled view, inflate a new view as a simple expandable list item 1:
if (view == null)
{
var inflater = context.GetSystemService(Context.LayoutInflaterService) as LayoutInflater;
view = inflater.Inflate(Android.Resource.Layout.SimpleExpandableListItem1, null);
}
// Grab the produce object ("vegetables", "fruits", etc.) at the group position:
ImgFolder imgFolder = rows[groupPosition];
// Get the built-in first text view and insert the group name ("Vegetables", "Fruits", etc.):
TextView textView = view.FindViewById<TextView>(Android.Resource.Id.Text1);
textView.Text = imgFolder.Name;
return view;
}
public override Java.Lang.Object GetGroup(int groupPosition)
{
return null;
}
//---------------------------------------------------------------------------------------
// Child methods:
public override long GetChildId(int groupPosition, int childPosition)
{
// The index of the child is used as its ID:
return childPosition;
}
public override int GetChildrenCount(int groupPosition)
{
// Return the number of children (produce item objects) in the group (produce object):
return rows[groupPosition].items.Count;
}
public override View GetChildView(int groupPosition, int childPosition, bool isLastChild, View convertView, ViewGroup parent)
{
// Recycle a previous view if provided:
View view = convertView;
// If no recycled view, inflate a new view as a simple expandable list item 2:
if (view == null)
{
view = context.LayoutInflater.Inflate(Resource.Layout.CustomView,null);
}
ImgListItem item = rows [groupPosition].items[childPosition];
ImageView Image = view.FindViewById<ImageView> (Resource.Id.Image);
Image.SetImageBitmap (item.Img);
Image.Clickable = false;
Image.Focusable = false;
Image.FocusableInTouchMode = false;
Image.LongClickable = false;
//view.FindViewById<ImageView> (Android.Resource.Id.Icon).ScaleX = 5;
//view.FindViewById<ImageView> (Android.Resource.Id.Icon).ScaleY = 5;
TextView Text1 = view.FindViewById<TextView> (Resource.Id.Text1);
Text1.Text = item.FileName;
Text1.Clickable = false;
Text1.Focusable = false;
Text1.FocusableInTouchMode = false;
Text1.LongClickable = false;
if (item.Img != null) {
TextView Text2 = view.FindViewById<TextView> (Resource.Id.Text2);
Text2.Text = (item.size != null) ? item.size : item.Img.Width + "*" + item.Img.Height;
Text2.Clickable = false;
Text2.Focusable = false;
Text2.FocusableInTouchMode = false;
Text2.LongClickable = false;
}
//if (item.Img != null) view.FindViewById<TextView> (Resource.Id.Text2).Text = (item.size != null) ? item.size : item.Img.Width + "*" + item.Img.Height;
//view.FindViewById<TextView> (Android.Resource.Id.Text1).
view.Tag = new ViewHolder(item);
//view.ScaleX = 2;
//view.ScaleY = 2;
view.Clickable = false;
view.Focusable = false;
view.FocusableInTouchMode = false;
view.LongClickable = false;
/*view.Click += (object sender, EventArgs e) => {
System.Diagnostics.Debug.Print ("Click");
};
*/
//view.Touch += new EventHandler<View.TouchEvent1Args> (touch);
return view;
}
private void touch(object sender, View.TouchEventArgs e){
MainActivity a = context as MainActivity;
//a.lv.OnTouchEvent(e.Event);
}
public override Java.Lang.Object GetChild(int groupPosition, int childPosition)
{
return null;
}
public override bool IsChildSelectable(int groupPosition, int childPosition)
{
return true;
}
}
public class ViewHolder : Java.Lang.Object{
public ImgListItem item;
public ViewHolder(ImgListItem item){
this.item = item;
}
}
public class ImgFolder : Object
{
public ImgFolder(string Name){
this.Name = Name;
}
public string Name = "";
public List<ImgListItem> items = new List<ImgListItem>();
}
public class ImgListItem : Object
{
public ImgListItem(Bitmap img, String FileName, Android.Net.Uri Uri, String size)
{
this.Img = img;
this.FileName = FileName;
this.Uri = Uri;
this.size = size;
}
public Bitmap Img;
public String FileName;
public Android.Net.Uri Uri;
public String size;
}
}
`
Layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
android:id="@+id/list"
android:scrollbars="vertical"
android:verticalScrollbarPosition="right">
<ExpandableListView
android:id="@+id/lvItems"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:divider="#b5b5b5"
android:dividerHeight="1dp"
android:clickable="true"
android:longClickable="true"
android:listSelector="@drawable/list_selector" />
<!--
android:listSelector="@layout/list_selector"
<ImageView
android:src="@android:drawable/ic_menu_gallery"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/img" />
-->
</LinearLayout>CustomView:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#FFDAFF7F"
android:descendantFocusability="blocksDescendants"
android:focusable="false"
android:padding="1dp"
android:id="@+id/ImageList">
<ImageView
android:id="@+id/Image"
android:layout_height="78dp"
android:layout_width="78dp"
android:padding="1dp"
android:src="@drawable/res"
android:focusable="false"
android:focusableInTouchMode="false"
android:clickable="false"
android:layout_alignParentLeft="true"
android:longClickable="false" />
<LinearLayout
android:id="@+id/Text"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="80dp"
android:focusable="false"
android:layout_marginLeft="80dp">
<TextView
android:id="@+id/Text1"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".70"
android:textColor="#FF7F3300"
android:textSize="20dp"
android:textStyle="italic"
android:text="Testing 1234"
android:focusable="false"
android:focusableInTouchMode="false"
android:clickable="false"
android:longClickable="false"
android:layout_gravity="center_vertical"
android:layout_marginTop="20dp" />
<TextView
android:id="@+id/Text2"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight=".25"
android:textSize="14dp"
android:layout_marginTop="23dp"
android:textColor="#FF267F00"
android:focusable="false"
android:focusableInTouchMode="false"
android:clickable="false"
android:text="Testing 1234"
android:longClickable="false"
android:layout_gravity="center_vertical" />
</LinearLayout>
</RelativeLayout>