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Firefox OS Hello world app works fine on simulator but displays black screen mobile device

I am learning Firefox Os app development, I have created one app its simple app with some static text in it. It works file on simulator but when I try to run it on my testing device ( Intex Cloud FX) it displays black screen. I am not sure why it is happening. I have configured development evirinment on MAC OS. Hope I get some tip for this problem, I have been looking all over the google but can't find anything.

Here is code of manifest file.

{

"name": "Hello", "description": "Hello World app", "version": "1.0", "launch_path": "/index.html", "icons": { "128": "/img/icon-128.png" }, "developer": { "name": "malkit singh", "url": "http://venturepact.com" } }

and code of index.html file

<html>
<head>
 <title>Hello World!</title>


</head>

hi

</body>

Thanks.

Solution

  • We solved this through email. Add in your CSS file:

    html, body {
  background: white;
}