why does appium open data:; in browser before the actual url - appium

I am trying to use appium for android browser automation and my tests are passing, however I see that before it opens the actual URL , it goes to data:; before that. Can anyone help me understand why this happens? What is appium trying to do here?

The 'data:,' URL is just the default address that is navigated to when the browser is launched. You say that your tests pass so you must already be giving the URL you want to go to and continue with your tests.

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Previewing rails server on AWS Cloud 9: VFS Connection does not exist [Firefox only]

Update: This is specific to Firefox. This does not occur using Chrome. I will leave the text below as is, but now the main question is, how and what in Firefox is causing this. It occurs regardless of cookie settings, such as allowing third-party cookies and trackers.
Preface: I've searched and read dozens of pages trying to resolve this issue I've gone through all the troubleshooting steps in the AWS documentation, eg,
https://docs.aws.amazon.com/cloud9/latest/user-guide/app-preview.html#app-preview-share
and this thread:
https://forums.aws.amazon.com/message.jspa?messageID=849200 as well as resources on stackoverflow
and the c9 forums
https://community.c9.io/t/what-is-vfs-connection-does-not-exist-on-aws-c9/22697/4)
I am trying to preview a running rails app from the Cloud 9 IDE. When I run the app using rails server, there are no error messages indicating anything wrong. The output shows Started GET '/' for [my home IP] ...... 200 Completed OK.
Console Output:
Trying to preview the running app only produces a "OOPS VFS connection does not exist" screen. The preview url is always https://[user_generated_sequence].vfs.cloud9.[region].amazonaws.com/ All TCP traffic is allowed as per the rules set up by following the troubleshooting guides.
OOPS error message page:
The same issue occurs whether using puma or WEBrick. With WEBrick, a popup for the preview link appears, but leads to the same error message page. With puma, the running app is listening on tcp://[localhost/0.0.0.0]:[8080 or 3000]. With WEBrick, it listens instead on http://localhost:8080.
I have followed the instructions exactly in the rails tutorial to set up a simple app. Everything in the code itself should be fine. How can I get this to work correctly? I'm very confused and about to give up on rails.
I recently had the same issues after updating Firefox because cross-site cookies are required to preview a running rails application. If, like me, you have disabled that in Firefox as part of strict Enhanced Tracking Protection, they will need to be enabled at least for this specific site.
Make sure you are accessing the preview from the same browser:
This URL works only when the IDE for the environment is open and the
application is running in the same web browser
https://docs.aws.amazon.com/cloud9/latest/user-guide/app-preview.html#app-preview-preview-app
Something that worked for me, do the following:
run:
rails s
the in the AWS EDE click on 'Preview' and 'Select Running Application'
Once it will open click on the button/link and it should open in another window with the running application.
Note: Doing this manually by copying the URL link and pasting in another tab did not work for me.
Try disable Ad Blockers and privacy Extention. It worked for me.
Basically you need to allow third party cookies
in chrome it's
Settings >> Security >> Cookies and web data >> Choose second option(block cookies only in incognito)
That works for me
On cloud9, click the shield logo in the address bar and switch "Enhanced Tracking Protection" to be off. Then refresh the page and the preview.
I was struggling with this as well. Finally, I changed the cookie setting from all third-party cookies to cookies from unvisited sites (See image)
Cookie Settings for Firefox

Communication between rails application and chrome app

Currently working on a rails application , i want to send and receive data to this chrome application https://github.com/GoogleChrome/chrome-nfc.
I added chrome.runtime.sendMessage() function inside app.js file to send a simple "hello world" to my browser and
chrome.runtime.onMessage.addListener(function(response,sender,sendResponse){alert(response);});
to show it but I get nothing.
Is it the right way to communicate between them ?
Are you using near field (NFC)? If not, you may want to do something much more simple to pass info between your Chrome App and Rails on server, use an XHR request:
https://developer.chrome.com/apps/app_external#external

Firebase App Indexing Test always fails

When using the implementation test from
https://firebase.google.com/docs/app-indexing/ios/test
I always get the following error:
ERROR:Google did not find App content associated with the URL.
I made sure that universal links work (i.e. open the app instead of browser on iOS device) for the entered url (which is a https:// url).
What could be the reason for this behaviour?

custom URL Scheme in iOS 6 not working?

My app uses a custom URL scheme so i send a link to my users in an email which when clicked, launches my app installed on their devices. This was working seamlessly till iOS 6 came into picture.
Now when the users click on the link or even type the address manually in the safari they get an error saying "Safari cannot open the page because it is a local file."
Wondering if anyone else encountered the same or if someone has any pointers in this regard !!
Any help much appreciated...
Update: it works if I only give my app's custom url without any parameters.. e.g. if I do "reader-app://" it launches my app but if i do "reader-app://doc=xyz" it doesn't !
try: reader-app://?doc=xyz (add a question mark after //) this way you'll specify a query string. It works for me, but it presents an alertdialog asking the user if she wants to open the url with my application
Try to remove the - sign from reader-app://.
My URL was not working until I removed underscore sings from URL.
Ex:
my_app:// is not working.
myapp:// is working.
That is just a guess.

Facebook iOS Mobile Web JS SDK Error

We already have Facebook working on our main desktop app without an issue. When I added the same setup code to our mobile site I received an error from the JavaScript SDK:
Received message of type object from https://s-static.ak.facebook.com, expected a string
Then, I changed the setup code to an exact replica from here: https://developers.facebook.com/docs/guides/mobile/web/ and received the exact same message.
This error only shows when the user-agent is iOS or Android in Chrome Developer Tools or in the iOS Simulator. When it's running from the desktop, we aren't seeing this error.
Any idea what's going on here?
Thanks :)
With all due respect, I believe that bokonic's answer is missing the point. The immediate reason of the message you're receiving is most likely javascript postMessage method. It is used to communicate your website with an object returned by window.open or an iframe's embedded website.
window.parent.postMessage(message, targetOrigin);
You might want to have a look at this article to see how it works.
According to MDN reference first argument of the postMessage method can be of any type. Still, Prior to Gecko 6.0 (Firefox 6.0 / Thunderbird 6.0 / SeaMonkey 2.3), the message parameter must be a string.
I tested the method on Chrome 28.0.1500.72 (latest version when writing this answer) and it works fine when passing an object but still throws the warning message to the console. I believe that facebook feels uncomfortable with passing some rich data as a string so they pass it as an object and simply doesn't care about the warning. Or, since there is a workaround (e.g. JSON.stringify), they have a bug they don't know about.
I had the same error. This isn't necessarily the reason you're getting it, but I ended up looking at the packets being received by my iphone simulator, and here's the error from s-statick.ak:
[truncated] <span>Given URL is not allowed by the Application configuration.: One or more of the given URLs is not allowed by the App's settings. It must match the Website URL or Canvas URL, or the domain must be a subdomain of one o
For me, the error is that on my device(s), I'm accessing the site through an ip address (192.168.xx etc) and on local development I have hosts routing localhost to a url that is in my facebook app config... so the IP isn't configured for the app.
Facebook won't let me use an IP address, so it seems like the only option is a test deploy or a DNS server. Hope this helps you out.

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