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Range Disappears on Navigation

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125749 Sep 8,2016 11:40 AM Sep 19,2016 05:56 AM Xamarin.Forms 9
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Tags: SfCircularGauge
TJISMH
Asked On September 8, 2016 11:40 AM

As shown in attached images the range color disappears after navigating around a bit and coming back to the page with the circular gauge

Why does that happen

Attachment: imagges_e0fbc39c.zip

Subburaj Pandian Veluchamy [Syncfusion]
Replied On September 9, 2016 02:26 AM

Hi Bob,

Thank you for using Syncfusion products.

Based on the provided information, we have analyzed your query and we were unable to reproduce the mentioned issue with “CircularGauge Range in Xamarin Forms” from our side. Could you please provide us more information along with simple issue reproducing sample and its replication procedures? It will be helpful for us to analyze on it and provide you a solution.

Regards,
Subburaj Pandian V.



TJISMH
Replied On September 13, 2016 03:51 PM

Well it is difficult to reproduce without providing our full app.
Our architecture is  a series of carousel pages that contain the circular gauge on them.
When the pages are added to the CarouselPage the circular gauge is created in the constructor of each page.
If the user taps on the gauge a new page is presented. When the user comes back to the page with the gauge on it from the child page, this is where the range is rendered incorrectly after some time. The rendering problem can also occur if the page with the gauge is displayed when the app resumes.

It seems like it has to do with the gauge being created in the constructor of the CarouselPage.

Subburaj Pandian Veluchamy [Syncfusion]
Replied On September 14, 2016 10:20 AM

Hi Bob,

Thank you for the update.

We have prepared simple CircularGauge navigation sample based on the mentioned scenario, please find the sample below,

Sample link: GaugePage 

Could you please revert to us by modifying the provided sample with more information along with your requirement? It will be helpful for us to analyze on it and provide you a solution.

Regards,
Subburaj Pandian V.
 


TJISMH
Replied On September 14, 2016 12:44 PM

The attached zip has an example that more closely represents our architecture.
If you tap on the gauge a child page will be displayed. Going back and forth between the pages is when the rendering issue occurs.

However, it is not something that happens all the time, and might require running on a real device vs the simulator.

But hopefully this gives you an idea as to what we are doing.

If I force the gauges to re-render when ever the carousel page is displayed the goes away. But when the gauges don't always re-render on display

Attachment: Example_dfd0a197.zip

Subburaj Pandian Veluchamy [Syncfusion]
Replied On September 15, 2016 07:36 AM

Hi Bob,

Thank you for the update.

We have checked and we are unable to reproduce the mentioned issue with CircularGauge in Xamarin Forms from our side with the provided sample. We have tested by navigating to the next page and tabbing the carousel page and then return back to the Gauge page again in both Simulator and devices.

Could you please revert to us with the exact scenario of mentioned issue occurs and its replication procedure also the device configuration details? It will be helpful for us to analyze on it and provide you the possible solution.

Regards,
Subburaj Pandian V.



TJISMH
Replied On September 15, 2016 02:08 PM

Unfortunately it happens randomly, so I am at a loss as to how to recreate it for you in a simple solution.

Subburaj Pandian Veluchamy [Syncfusion]
Replied On September 16, 2016 08:32 AM

Hi Bob, 
 
We are unable to reproduce the mentioned issue, we can able to analyze about the issue, only if you provide the exact scenario with its replication procedure. Could you please revert to us with the exact details about the mentioned issue so that, we could analyze on it and provide you a solution. We will wait to hear from you.  
 
Regards, 
Subburaj Pandian V 


TJISMH
Replied On September 16, 2016 08:35 AM

OK. I will continue to try and find a way to get this issues to reliably repeat as time permits. And will work on a work around for now.

Subburaj Pandian Veluchamy [Syncfusion]
Replied On September 19, 2016 05:56 AM

Hi Bob,

Thank you for the update, we will wait to hear from you.

Regards,
Subburaj Pandian V.

 


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