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I created a web application that I need to convert to a mobile application, now all I have is html5/js/css files which means I don't have any www foder no platforms folder, not a cordova project ... I started first to build the app using cordova command lines, but I couldn't, I found many problems on that, I used then https://build.phonegap.com/ , and it works fine for me. In order to read the file, I have tried this code : 

    window.resolveLocalFileSystemURI("file:///android_asset/www/data/User.xml", function () {
        alert("Success");
    }, function () {
        alert(" error ");
    });

but, it didn't work. I added a try catch, the exception was : 

window.resolveLocalFileSystemURI is not a function

Do i need to add something to my code to make it work ?

Khalid
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1 Answers1

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You need to install a plugin for this to work.

Basically, run "cordova plugin add org.apache.cordova.file" at your application's root directory.

For detailed instructions see here, under "Accessing the Feature": http://docs.phonegap.com/en/edge/cordova_file_file.md.html#LocalFileSystem

UPDATE 2019

The correct way to add this plugin is now with this command in your project root:

cordova plugin add cordova-plugin-file

This is a core cordova plugin. Documentation found here on npm

Devin Carpenter
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Assaf Hershko
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    That seems to be outdated now. Check https://github.com/apache/cordova-plugin-file you need to use cordova plugin add cordova-plugin-file – Gaurav Ojha Nov 02 '16 at 05:08
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    I re-installed the plugin and my code started working on ios. Wasted a couple hours adding logging and all of the logging wouldn't even indicate that the plugin wasn't installed. Only that a function was undefined or whatever. Errors are vague :( – Quintonn Jul 28 '19 at 11:05