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Syncfusion Feedback

Wizard Control - Rotator vs ListView

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141567 Dec 18,2018 12:33 PM UTC Jan 18,2019 06:43 AM UTC Xamarin.Forms 9
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Tags: SfListView
Mark
Asked On December 18, 2018 12:33 PM UTC

Hi,

I have been using the Rotator control as a wizard (you can scroll pages horizontally either with a button or with a swipe). I recently looked at the ListView control and it has a horizontal mode and can therefore be used in a similar fashion.

The ListView looks like a more mature control with more events and it even has commands for MVVM.

Which control will satisfy my needs best:

A wizard control with:

1. Ability to add pages on the fly by handling an OnBeforePageLoad event to insert additional pages at the end.
2. Pages snap in place and don't continually scroll.
3. Can have custom images as place holders in the page picker on the bottom of the screen. This is normally rendered as a row of dots.
4. Supports custom templates per page so each page can be completely different.
5. Supports commands as well as events. I have had to add EventToCommand code to fix this in the Rotator.

My project is a Xamarin Forms project with FreshMVVM. I am using all the latest packages.

Thanks

Mark.






Gnana Priya Namasivayam [Syncfusion]
Replied On December 19, 2018 04:41 PM UTC

 
 
Thanks for contacting Syncfusion support. 
 
We have checked your requirement from our side, can you please share below details.  
 
S.No 
Query 
Comment 
1. 
Ability to add pages on the fly by handling an OnBeforePageLoad event to insert additional pages at the end. 
Can you explain whether you mean to load items as pages in listview at runtime?  
2. 
Pages snap in place and don't continually scroll. 
We are not clear with this query. Can you please share more details? 
3. 
Can have custom images as place holders in the page picker on the bottom of the screen. This is normally rendered as a row of dots. 
This can be achieved by customizing the image in renderer by loading image only outside the listview because items inside the listview will scroll defaultly.  
4. 
Supports custom templates per page so each page can be completely different. 
Different templates can be loaded in listview using template selector. 
5. 
Supports commands as well as events. I have had to add EventToCommand code to fix this in the Rotator. 
All types of commands available in listview to achieve your requirement. 
 
 
 
Regards, 
Gnana Priya N 


Mark
Replied On December 20, 2018 07:08 AM UTC

Hi,

Thanks for your response.

Here are the answers to your queries:

1. Can you explain whether you mean to load items as pages in listview at runtime? 
I have a page with radio buttons where a choice has to be made. Depending on your choice I load just the pages that are required for your choice. An OnBeforePageLoad event will allow me to read the choice and load the pages. At the moment I am loading the pages as the radio button is changed. A better way is to capture the swipe in an event and then load the correct pages to continue.

2. We are not clear with this query. Can you please share more details? 
Currently the rotator control snaps the pages in one by one and does not allow continuous scrolling(each page requires one swipe). A list view allows continuous scrolling(multiple list view items are shown per swipe). Can a list view be set to snap list view items one by one? Each list view item will be the size of the page and will ideally mimic the rotators snap behavior.


Thanks

Mark.


Gnana Priya Namasivayam [Syncfusion]
Replied On December 21, 2018 12:36 PM UTC

Hi Mark, 
 
We have checked the reported requirement from our side. We have added image in horizontal list and radio button below to bring a view a like rotator, can you please confirm whether your requirement is to update each image on screen based on the checked state of radio button (i.e) when button one is clicked, first item in listview will display and remaining button for remaining items. 
 
 
Regards, 
Gnana Priya N 


Mark
Replied On January 11, 2019 08:05 AM UTC

Thanks for the project. A fundamental problem I have is that there is no snapping from page to page. This should not be possible: