How would you emulate a memory mapped file in FirefoxOS, Tizen or any other mobile pure-JS solution?  The use case is for a mobile browser and you need lots of data which does not fit in the RAM or you don't want to waste RAM for it yet and prefe...
I want to build and application through which an user can input some settings and the application will start a background service to perform some tasks based on those settings.  I want to run the application and the background service only in the Sim...
There is a library for create a simple file picker that not use an app on the phone? For example if i want get a file like doc or txt it's impossible use an app with the MozActivity so it's needed a custom way. For example in my app https://g...
My question regards the Apps CSP https://developer.mozilla.org/en-US/Apps/CSP   Here it says that all the remote script, inline script, javascript URIs, and other security issues won't work on a Firefox OS app.  So, I tried to download a script t...
I got this error in console.  Content Security Policy: The page's settings blocked the loading of a resource at self ("script-src app://fa91d835-176d-4fe7-bd06-fe7f57f11b68").  I tried to create a firefox ajax app to retrieve some data fr...
I have a javascript file in a server I can't modify.   Here is a sample of the script I have to download:  var tags = ''; tags += '<a href="#somelink"><img src="someimage.gif"/></a>; document.write(ta...
I'm developing a Pomodoro Timer app for Firefox OS and I'm having a problem with the execution of it: Once the timer is running the execution is suspended every time the phone goes in low power mode (which is quite typical in my scenario, for...
I'm trying to get a cross-browser way to listen to keyCode of user's keyDown.   For mobile browsers, I have to trigger the virtual keyboard, so I use an input hidden by css, triggered with a click event. This works well except that when I try...
I want to edit a  script file  of Firefox OS device. But I do not know how ?  When I use the console  There's no option for editing . SO my question is how can I debug and edit the script file ?...
How do we check if Firefox OS device is connected to the internet or not? I have tried navigator.mozConnection, navigator.connection.type, navigator.onLine but it doesn't work.  Please let me know. Thanks....

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