application analytic - analytics

I have mtiks a mobile analytic software in my application and I want know if I have to inform the user that I use it or can I ignore it? Do I get lawproblems or is my application not accepted?
Thanx
newone

There's no requirement to show a disclaimer in the app itself, you can include it in your apps EULA. More details for a Google Analytics example here: http://www.quora.com/Whats-the-best-way-to-inform-our-iPhone-App-users-that-we-use-Google-Analytics-to-track-their-usage

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I am developing a mobile application in Flutter, the mobile application should allow the user to verify his phone number first before allowing him to proceed, and we should allow the user to authenticate by Facebook, is there any tutorial or documentation that shows out how to do this?
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The firebase_auth plugin does this for you. Setting it up you will have to follow the instructions on the page, which also gives a basic example of the functionality.
Documentation, sadly, is not really avalaible, but the source is easy to understand (after taking a look at the example in the Readme.md). Here you can take a look at authentication with Facebook.
Phone auth is currently not completely implemented with the official SDK, so please check the latest replies to this issue.

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I am new to google analytics and mobile testing and got a task of testing google analytics on one of our in-house application. could you guys please help me by understanding that how can I proceed doing so. I have no idea about google analytics.
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Just perform the actions that you are actually tracking and check if a corresponding entry is recorded in the analytics database.
As a starting point, first check if your UA tracking ID is implemented. Secondly, make some interaction with you mobile application and check if the data is available in Google Analytics (e.g. real time report).

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I'm trying to get some stats on how many of the visitors to our website have Silverlight enabled browsers.
We currently use Google Analytics for the rest of our stats so ideally we'd like to just add 'Silverlight enabled' tracking in with the rest of our Google Analytics stats. But if it has to get written out to a DB etc then so be it.
Nikhil has some javascript to Silverlight tracking to Google Analytics. I have tried this code but Google Analytics doesn't pick it up.
Does anyone have any other ideas/techniques?
In case you missed it, there's a link to a more detailed article as well in the comments: http://blogs.msdn.com/jeffwilcox/archive/2007/10/01/using-google-analytics-with-rich-managed-web-applications-in-silverlight.aspx
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I think you answered it yourself. The page you are linking to does just that: detect which version of Silverlight the user has (not if s/he installs it). From the page:
After a little poking around, I found that Google Analytics has support for reporting a user-defined field.
...
Basically this detects the presence of Silverlight, and if its available, it records the version as the value of the user-defined field. Now your analytics reports will have one of three values: "(not set)", "Silverlight/1.0" or "Silverlight/2.0".
#Vaibhav
The Using Google Analytics with rich (managed) web applications in Silverlight article is very interesing but is more focused on how to get your Silverlight app to send messages to Google Analytics.
#Cd-MaN
Yeah, I thought that too but I have tried running my page with Nikhil's javascript and Google Analytics didn't pick it up. But I could have screwed something up somewhere.
I'm just interested to know if anyone else has managed to do this (track Silverlight-ness) successfully.
I've written a lightweight Silverlight library that helps make it easy to integrate Google Analytics in your silverlight app. You can grab download the code or binaries here.
I think the code posted on Nikhil's blog is out of date if you are using ga.js and not urchin.js.
The use of the global function __utmSetVar() is replaced by the tracker method _setCustomVar()
http://code.google.com/apis/analytics/docs/gaJS/gaJSApiBasicConfiguration.html#_gat.GA_Tracker_._setCustomVar

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