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The extension I created will not install for testing. It always says not compatible with Firefox 23.0.1.

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I am in the process of porting an extension from Chrome to Firefox. The extension is called The Unofficial Openstudy App and it can be found on the Chrome Web Store. I have got everything ready for testing but it will not install the XPI file. It only says "not compatible with Firefox 23.0.1." I have tried modifying the minversion and maxversion in the install.rdf file but it DOES NOT WORK. Why is this?

Link to xpi: http://www.fast-files.com/getfile.aspx?file=65730

Contents of install.rdf for those who do not wish to download:

<?xml version="1.0" encoding="UTF-8"?>
<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
  <Description about="urn:mozilla:install-manifest">
    <em:id>unknownnekomata@gmail.com</em:id>
    <em:type>2</em:type>
    <em:name>The Unofficial OpenStudy App (TUOSA)</em:name>
    <em:version>4</em:version>
    <em:creator>dumbsearch</em:creator>
    <em:contributor>Emoticon</em:contributor>
    <em:description>The Unofficial OpenStudy App (TUOSA) is a Firefox extension that extends and enhances the current functionality of OpenStudy.</em:description>
    <em:optionsURL>chrome://tuosa/content/options.xul</em:optionsURL>
 <em:iconURL>chrome://tuosa/skin/icon.png</em:iconURL>
 
 <!-- Firefox -->
 <em:targetApplication>
   <Description>
  <em:id>com.dumbsearch.tuosa</em:id> <!-- Firefox -->
  <em:minVersion>16.0</em:minVersion>
  <em:maxVersion>25.0</em:maxVersion>
   </Description>
 </em:targetApplication>
  </Description>
</RDF>
I am in the process of porting an extension from Chrome to Firefox. The extension is called The Unofficial Openstudy App and it can be found on the Chrome Web Store. I have got everything ready for testing but it will not install the XPI file. It only says "not compatible with Firefox 23.0.1." I have tried modifying the minversion and maxversion in the install.rdf file but it DOES NOT WORK. Why is this? Link to xpi: http://www.fast-files.com/getfile.aspx?file=65730 Contents of install.rdf for those who do not wish to download: <pre><nowiki><?xml version="1.0" encoding="UTF-8"?> <RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#"> <Description about="urn:mozilla:install-manifest"> <em:id>unknownnekomata@gmail.com</em:id> <em:type>2</em:type> <em:name>The Unofficial OpenStudy App (TUOSA)</em:name> <em:version>4</em:version> <em:creator>dumbsearch</em:creator> <em:contributor>Emoticon</em:contributor> <em:description>The Unofficial OpenStudy App (TUOSA) is a Firefox extension that extends and enhances the current functionality of OpenStudy.</em:description> <em:optionsURL>chrome://tuosa/content/options.xul</em:optionsURL> <em:iconURL>chrome://tuosa/skin/icon.png</em:iconURL> <!-- Firefox --> <em:targetApplication> <Description> <em:id>com.dumbsearch.tuosa</em:id> <!-- Firefox --> <em:minVersion>16.0</em:minVersion> <em:maxVersion>25.0</em:maxVersion> </Description> </em:targetApplication> </Description> </RDF></nowiki></pre>

Modified by cor-el

Chosen solution

you'll have to replace

com.dumbsearch.tuosa 

with the fixed guid for firefox:

{ec8030f7-c20a-464f-9b0e-13a3a9e97384}

https://developer.mozilla.org/en-US/docs/Install_Manifests#targetApplication
https://addons.mozilla.org/en-US/firefox/pages/appversions/

Read this answer in context 👍 2

All Replies (7)

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we cant download your XPI file plz make correct your link.

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What are your minversion and maxversion? Unless you set strict version numbering, Firefox generally should allow you to install extensions even if Firefox has passed the maxversion.

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what is strict version numbering? my minversion is currently 16.0 and maxversion is 25.0

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Chosen Solution

you'll have to replace

com.dumbsearch.tuosa 

with the fixed guid for firefox:

{ec8030f7-c20a-464f-9b0e-13a3a9e97384}

https://developer.mozilla.org/en-US/docs/Install_Manifests#targetApplication
https://addons.mozilla.org/en-US/firefox/pages/appversions/

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I'm not seeing the Firefox GUID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}

    <!-- Firefox -->
    <em:targetApplication>
      <Description>
-	<em:id>com.dumbsearch.tuosa</em:id> <!-- Firefox -->
+       <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
	<em:minVersion>16.0</em:minVersion>
	<em:maxVersion>25.0</em:maxVersion>
      </Description>
    </em:targetApplication>
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Hi Emoticon, you wrote:

what is strict version numbering?

Optional setting. For future reference: https://developer.mozilla.org/en-US/docs/Install_Manifests#strictCompatibility