isAppInstalled always returns false

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Dear support,

I'm currently facing a problem with Crossrider APIs: isAppInstalled always returns false on some browsers/desktop configurations.

In particular, I've experienced this issue on the following configuration:

- Windows 7 Ultimate SP1
- Firefox 32.0.3

I've been using this extension for monthes with no complaints and seems to fail only on some cases. App is 59672 and here's the code I'm using:

http://www.portafoglidinamici.com/sto...

At first load it should prompt you to install the extension and on FF restart should detect it and fire the "requestData" event. This does not happen and isAppInstalled always returns false.

Thanks, regards
Maurizio

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EMPLOYEE

Hello Maurix,

At a quick glance at the page you provided I notice a couple of things:

1. Please use the official CrossriderAPI.js file.

2. Run the isAppInstalled method when the page is ready. It's probably firing to early and always returning false.

Hence, like the example in the docs, your page inclusions should look as follows:

<script type="text/javascript" src="https://w9u6a2p6.ssl.hwcdn.net/plugins/javascripts/crossriderAPI.js"></script>

<script type="text/javascript">

    // Replace XXXXX with the extension id

    var extId = "XXXXX";


    // Once the page is ready

    $(function() {

        CrossriderAPI.isAppInstalled(extId, function(isInstalled) {

            // Displays true if the extension is installed; otherwise false

            alert(isInstalled);

        });

    });

</script>

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Hello Maurix, At a quick glance at the page you provided I notice a couple of things: 1. Please use the official <a href="https://w9u6a2p6.ssl.hwcdn.net/plugins/javascripts/crossriderAPI.js" target="_blank">CrossriderAPI.js</a> file. 2. Run the isAppInstalled method when the page is ready. It's probably firing to early and always returning false. Hence, like the example in the docs, your page inclusions should look as follows: <pre><code><script type="text/javascript" src="https://w9u6a2p6.ssl.hwcdn.net/plugins/javascripts/crossriderAPI.js"></script> <script type="text/javascript"> // Replace XXXXX with the extension id var extId = "XXXXX"; // Once the page is ready $(function() { CrossriderAPI.isAppInstalled(extId, function(isInstalled) { // Displays true if the extension is installed; otherwise false alert(isInstalled); }); }); </script></code></pre>

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Maurix October 06, 2014 11:49

Thank you for your reply. I've already tried all these changes with no luck. I've even tried to detect extension after a 10'' timeout so I guess it's not a race condtion.

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Thank you for your reply. I've already tried all these changes with no luck. I've even tried to detect extension after a 10'' timeout so I guess it's not a race condtion.

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Shlomo (Official Rep) October 06, 2014 13:07

Hello Maurix,

Understood ... For the purposes of testing, can you either configure the page as described or create a test page with the configuration and I'll investigate.

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Hello Maurix, Understood ... For the purposes of testing, can you either configure the page as described or create a test page with the configuration and I'll investigate.

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Maurix October 06, 2014 13:39

I've updated the current page following your suggestions.

Thanks,
Maurizio

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I've updated the current page following your suggestions. Thanks, Maurizio

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Shlomo (Official Rep) October 06, 2014 14:47

Hello Maurix,

I just tested FF32/Win8.1 and also FF32/Win7 and it appears to work as expected, i.e. the page is redirected to your site. Are you sure it's not working at your end?

Maybe try clearing your browser cache and trying again.

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Hello Maurix, I just tested FF32/Win8.1 and also FF32/Win7 and it appears to work as expected, i.e. the page is redirected to your site. Are you sure it's not working at your end? Maybe try clearing your browser cache and trying again.

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Maurix October 06, 2014 14:58

It actually works on 9 out of 10 browsers tested, and fails on a single (or maybe two) particular cases.

I'm quite sure the issue is not in the code but maybe you could help me finding out why it fails on some scenarios.

Of course I've tried the usual fixes like cache, incognito mode, browser restarts and so on :)

Thanks,
Maurizio

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- Shlomo (Official Rep) October 07, 2014 09:18
  
  As mentioned, I tested the case you mentioned and it worked fine for me. Have you checked the console for errors? Is there anything installed that may be interfering, e.g. other extensions?
  
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- Maurix October 07, 2014 09:52
  
  I've also tried with FF safe mode due to the avast extension which always sounds suspicious :) I don't know if the antivirus (not the extension) can cause troubles, I did NOT try to disable Avast.
  
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- Shlomo (Official Rep) October 07, 2014 09:55
  
  Thanks for the feedback ... I guess you know what the next test is ... disable Avast :)
  
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- Maurix October 07, 2014 10:03
  
  tried now... still no luck :(
  
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- Shlomo (Official Rep) October 07, 2014 10:43
  
  Let's schedule a screen share so that I can take a look. Please email support@crossrider.com with a reference to this ticket and we can set up a session.
  
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What's the status of this problem?

It actually works on 9 out of 10 browsers tested, and fails on a single (or maybe two) particular cases. I'm quite sure the issue is not in the code but maybe you could help me finding out why it fails on some scenarios. Of course I've tried the usual fixes like cache, incognito mode, browser restarts and so on :) Thanks, Maurizio

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Maurix October 14, 2014 19:11

Hello,

do you have any update on this topic?

Regards,
Maurizio

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- Shlomo (Official Rep) October 15, 2014 06:00
  
  There are no updates at this time.
  
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Hello, do you have any update on this topic? Regards, Maurizio

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Rick Najjar February 06, 2015 13:51

I am having the same issue, works on all browsers except FF.

Firefox always returns false, I have the call inside the document ready function, and also added a settimeout

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I am having the same issue, works on all browsers except FF. Firefox always returns false, I have the call inside the document ready function, and also added a settimeout

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Shlomo (Official Rep) February 08, 2015 11:59
Hello Maurix,

I understand that you are having an issue with CrossriderAPI.isAppInstalled on FF. Usually, this works without problems and hence in order to assist further I need to take a closer look.

Therefore, please provide as much of the following information as possible and I will investigate:
1. The extension id
2. The file/line number where the code snippet can be found
3. Which browser and operating system you are testing on, including version numbers
4. The exact steps for reproducing the problem
5. Any additional useful data, such as URLs, screenshots, videos, ...
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What's the status of this problem?

Hello Maurix, I understand that you are having an issue with <a href='http://docs.crossrider.com/#!/api/CrossriderAPI-method-isAppInstalled' target='_blank'>CrossriderAPI.isAppInstalled</a> on FF. Usually, this works without problems and hence in order to assist further I need to take a closer look. Therefore, please provide as much of the following information as possible and I will investigate: <ol> <li>The extension id</li> <li>The file/line number where the code snippet can be found</li> <li>Which browser and operating system you are testing on, including version numbers</li> <li>The exact steps for reproducing the problem</li> <li>Any additional useful data, such as URLs, screenshots, videos, ...</li> </ol>

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Maurix February 08, 2015 14:18

Dear Shlomo,

you can find all the requested information in the previous posts. We already did a pair programming session several monthes ago when I reported the issue.

At this time I have no further information to provide beside what I already stated before. Maybe Rick Najjar could tell us new hints to investigate.

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Dear Shlomo, you can find all the requested information in the previous posts. We already did a pair programming session several monthes ago when I reported the issue. At this time I have no further information to provide beside what I already stated before. Maybe Rick Najjar could tell us new hints to investigate.

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Maurix April 10, 2015 19:34

Dear support,

this issue is still present and is blocking for our product. Do you have any progress to share?

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- Shlomo (Official Rep) April 12, 2015 09:10
  
  Please can you provide the details previously requested including the support ticket number so that I can check for you.
  
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Dear support, this issue is still present and is blocking for our product. Do you have any progress to share?

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