B4A Library [Lib] UltimateListView

Informatix · Oct 26, 2012

I've been working on this project for a long time and I'm very proud to release the version 4 today.

The UltimateListView is, as its pompous name says, THE ListView.

It can handle very long lists. This is a screenshot of a list with 245813 items, all different:
It can mix different layouts (and they can be changed dynamically). You can use it as an expandable ListView:
It has a low memory footprint and is very fast (this report comes from the Performance demo where the list has to display 128901 distinct words read from a database and the used device is a Huawei Honor single core 1.4 Ghz):
It can scroll in both directions thanks to its swipe detector:
The swipe detector can also be used to implement a swipe-to-dismiss or a swipe-to-reveal:
You can easily add editors to your table to change its content:
You can animate the items when they are added, removed, replaced or when the list is scrolled (with your own custom animation):
It can stack items from the bottom:
It supports drag & drop operations (internal & external):
You can synchronize lists with different item heights:

The examples will show you how to implement a Pull-to-Refresh, create sticky headers or combine several lists to make a wheel. One of the examples is an improved version of my File Explorer class.

All texts and images can be loaded asynchronously (from Internet, from a database or from a local folder), so you can scroll even if the data are not fully loaded.

The list has its own state manager.

Since September 2018, ULV is available for free. You can still donate for it if you wish.
To send the money, just click on the Donate button below (the amount to enter is in euros):

Note that UltimateListView is not a wrapper around the work of someone else. It is 100% my own code and it is based upon the standard Java ListView of Android.

The UltimateListView does not work with Android versions < 2. It cannot work with B4J or B4i.

Current version: 4.50

DOWNLOAD HERE:

Blue.Sky · Sep 23, 2015

Hello
How can i purchase your library?(From dontate?)

Informatix · Sep 23, 2015

Hello,

Click on the Donate button and send 25 euros via Paypal. I will send you the link as soon as I get the paypal confirmation.

Best regards,
Fred

Wolli013 · Sep 26, 2015

Hi, i have send 25 Euro for the Library

ihabsharaf · Sep 29, 2015

hi
this library compatible with b4i

Lello1964 · Oct 12, 2015

Hello Informatix, i have a problem, must change imageview in a panel from a sub without move to item. How refer to panel from Id or position ?

Informatix · Oct 12, 2015

Lello1964 said:
Hello Informatix, i have a problem, must change imageview in a panel from a sub without move to item. How refer to panel from Id or position ?

Please ask your questions by email and provide more details or a sample project.

Lello1964 · Oct 12, 2015

Informatix said:
Please ask your questions by email and provide more details or a sample project.

pls tell your email

Informatix · Oct 12, 2015

Lello1964 said:
pls tell your email

You received the link for ULV by email.

Lello1964 · Oct 12, 2015

Informatix said:
You received the link for ULV by email.

now i'm at home, havn't it, pls send to email viglione@aliseo.it

Luis Felipe · Oct 15, 2015

Informatix said:
I've been working on this project for a long time and I'm very proud to release the version 4 today.

The UltimateListView is, as its pompous name says, THE ListView.

It can handle very long lists. This is a screenshot of a list with 245813 items, all different:

View attachment 18467

It can mix different layouts (and they can be changed dynamically). You can use it as an expandable ListView:

View attachment 14357

It has a low memory footprint and is very fast (this report comes from the Performance demo where the list has to display 128901 distinct words read from a database and the used device is a Huawei Honor single core 1.4 Ghz):

View attachment 21236

It can scroll in both directions thanks to its swipe detector:

View attachment 14361

The swipe detector can also be used to implement a swipe-to-dismiss or a swipe-to-reveal:

View attachment 21240

You can easily add editors to your table to change its content:

View attachment 14356

You can animate the items when they are added, removed, replaced or when the list is scrolled (with your own custom animation):

View attachment 21238

It can stack items from the bottom:

View attachment 16150

It supports drag & drop operations (internal & external):

View attachment 21235

The examples will show you how to implement a Pull-to-Refresh, create sticky headers or combine several lists to make a wheel. One of the examples is an improved version of my File Explorer class.

All texts and images can be loaded asynchronously (from Internet, from a database or from a local folder), so you can scroll even if the data are not fully loaded.

The list has its own state manager.

Due to the important work made, I request a minimum donation amount of 25 euros.

To send the money, just click on the Donate button below (the amount to enter is in euros).

What you'll get:
- the main library and all the libraries required by the examples;
- a complete User's Guide;
- a detailed list of all functions, events and properties;
- a tutorial;
- 15 examples with a few useful and reusable classes.

Note that UltimateListView is not a wrapper around the work of someone else. It is 100% my own code and it is based upon the standard Java ListView of Android.

You can download here the list of all functions and properties, and the table of contents of the user's guide.

15 examples (.APK) can be downloaded from Google Drive.

The UltimateListView does not work with Android versions < 2.

Current version: 4.04

Bonus : the DataCollection library is available for free with UltimateListView.

Great library Fred : is it possible to combine/using it with the SearchView class from Erel ? if yes how would it be possible ?
Thanx in advance.

Informatix · Oct 15, 2015

Luis Felipe said:
Great library Fred : is it possible to combine/using it with the SearchView class from Erel ? if yes how would it be possible ?
Thanx in advance.

SearchView is an EditText+a ListView. Replace the ListView by ULV in the class code.

Informatix · Oct 26, 2015

There's a new version available for download.

Changelog v4.05:
- I added the UltimateLVPanel class to ease some operations on the item panels;
- I added the GetVisiblePanels function;
- I added the IsUniqueID function;
- I fixed an issue in the Editor demo;
- I added an example with two ULVs that can exchange items (DragNDropBetweenULV_demo.b4a);
- I updated the CallSubExtended library.

imbault · Nov 1, 2015

Hi @Informatix, is it possible to make like below:
an small horizontal scrollview with pictures, and a big imageview on up showing current picture, then just add a button to show previous/next?

Informatix · Nov 2, 2015

imbault said:
Hi @Informatix, is it possible to make like below:
an small horizontal scrollview with pictures, and a big imageview on up showing current picture, then just add a button to show previous/next?

View attachment 38604

ULV is not designed for horizontal lists. You should try other libraries.

ilan · Nov 2, 2015

where can we get the latest version?

Informatix · Nov 2, 2015

ilan said:
where can we get the latest version?

By using the same link and password as for v4.04.

ilan · Nov 2, 2015

Informatix said:
By using the same link and password as for v4.04.

Thank you

MarcoRome · Nov 4, 2015

Hi all, i Have pictures with background white and this code:

B4X:

        ULV.Initialize(0, 0, "", "ULV")
            Activity.AddView(ULV, 0, 0, 100%x, 100%y)
            ULV.SetStyle(ULV.STYLE_HOLO_LIGHT)
            ULV.Color = Colors.White

But when i click about pictures i see background Gray:

It is possible set background with colors white so when i tap i dont see this gray color ?
Thank you

Informatix · Nov 4, 2015

MarcoRome said:
Hi all, i Have pictures with background white and this code:

B4X:

ULV.Initialize(0, 0, "", "ULV") Activity.AddView(ULV, 0, 0, 100%x, 100%y) ULV.SetStyle(ULV.STYLE_HOLO_LIGHT) ULV.Color = Colors.White

But when i click about pictures i see background Gray:

View attachment 38672

It is possible set background with colors white so when i tap i dont see this gray color ?
Thank you

Set the panel color to white in the Creator sub.

MarcoRome · Nov 5, 2015

Informatix said:
Set the panel color to white in the Creator sub.

Hi Informatix, Thank you for your response.

I have this layout :

As you see i have Activity Color White (#FFFF)

I try also this code:

B4X:

Sub Item_LayoutCreator(LayoutName As String, LayoutPanel As Panel)
            LayoutPanel.Color = Colors.White
            LayoutPanel.LoadLayout("lay_menu_details")
           
End Sub

Sub Item_ContentFiller(ItemID As Long, LayoutName As String, LayoutPanel As Panel, Position As Int)
   
    LayoutPanel.Color = Colors.White
   
    Dim imageview1 As ImageView = LayoutPanel.GetView(0)
    'First view in the panel
    imageview1.Gravity = Gravity.FILL
    .....

But dont change nothing.
Any idea ?
Thank you
Marco

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