Social media icons - open an app, not a website - joomla

We have experimented with some modules to display social media icons on our Joomla site and to link to the social media site. When the used clicks on the icon it is taken to the website. Assuming the user is on a mobile device, is there a way of going directly to the App, instead of the website?

The modules which you used to dsiplay the social icons should be display automatcially in mobile website, or you need to check that it should not be display: noe for media Query. Provide you domain url to check this.

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With a Spring MVC webapp, can you take a photo on a mobile device and upload it to the server?

I was asked to write a webapp using Spring MVC that among other things it must either take a photo on a mobile device or at least upload it from the device's photo library. Apparently we have some product (probably .NET based) that allows taking/uploading photos from the a web page displayed on a mobile and is where they got the idea from. Most devices will be iPhones but some might be Android.
Is this even possible with a Spring MVC webapp - with no code on the mobile device?
If yes, how would you go about designing this? Is it simply a matter of implementing a file upload as you would from a PC and trust that the mobile device will somehow magically handle the "take a photo" or "pick the photo from the image library", or is there more to it?
Is there anything else I need to know about?
Yes, although I am experienced with Spring MVC and even "normal" webapps that are accessed from a mobile... I am clearly clueless about this type of "photo" app.
write the web app allow access to the camera through the browser of device, when the users take the photo send it to web app or simply create the form allow user select image from device. ( with browser of device you can access camera or folder on device

Does app store or Play Store allow apps that have a WebView only to my site?

I want to publish an app witch contains a WebView to my site only
and thats the whole app. Like Mobile Web app but comes from the stores.
Does app store or Play Store allow apps that have a WebView only to my site?
Yes, you can published an app which contains just a WebView of your own website. Please note that according to Google Play Developer Program Policies, it's not allowed to publish apps that provide a WebView of a website you don't own or administer:
Do not post an app where the primary functionality is to:
Provide a webview of a website not owned or administered by you (unless you have permission from the website owner/administrator to do so)
Reference: http://play.google.com/about/developer-content-policy.html
According to Apple's App Store Review Guidelines,
apps which are just web views are not allowed:
4.2 Minimum Functionality
Your app should include features, content, and UI that elevate it beyond a repackaged website. If your app is not particularly useful, unique, or “app-like,” it doesn’t belong on the App Store.
Reference: https://developer.apple.com/app-store/review/guidelines/#functionality
Yes You can but when you implement webview in your application few things must keep in mind
Webviews and Affiliate Spam
We don’t allow apps whose primary purpose is to drive affiliate traffic to a website or provide a webview of a website without permission from the website owner or administrator.
Here are some examples of common violations:
An app whose primary purpose is to drive referral traffic to a website to receive credit for user sign-ups or purchases on that website.
Apps whose primary purpose is to provide a webview of a website without permission:
Google play Developer Policy Center link

Javascript Origins for Embedded Feeds in Mobile Webview

I have developed an app which loads a html document from the mobile app storage that contain Yammer Embedded Feed javascript.
Recently, our company's Yammer admin received a message from yammer, telling that all Yammer Embedded Feed javascript will not work unless the domains have been specified in the "Javascript Origins" section.
However, since we are loading the html page directly from mobile, it is just like opening a html page in web browser with "file://" as domain. Can I add "file://" in the "Javascript Origins"? I have tried to "alert" the "window.location" and it returns "about:blank" on the mobile browser.
Thanks!
I answered this question over on the O365 Network, but let me add the answer here too in case someone has a similar question in the future.
The recent push to update your Yammer app's JavaScript Origins (documented/instructions here http://naomimoneypenny.com/2015/02/11/yammer-apps-javascript-origins-update/) affects only those using the JS SDK (specifically https://c64.assets-yammer.com/assets/platform_js_sdk.js).
It does not affect those using the Embed feed (specifically https://c64.assets-yammer.com/assets/platform_embed.js)

Facebook Graph Api publish photo to fan page album and tag author on it

We are a French Mobile Agengy working on a touchy Facebook integration (Graph API and mobile SDK).
That application (iOS & Android) consist in a picture contest, where the winner is the one who gets the more likes on its picture published on the Facebook Fan Page.
Each user connect via Facebook Connect.
They can take a picture with their phone and upload it to our server for moderation.
When the picture is validated by our review team we want to do the following interactions with Facebook :
3-1. Publish the picture to a specific album of a fan page (this part is working well, doing validation with a Facebook connected user, being admin of the fan page and granting "manage_pages" to the fbapp of this operation)
3-2. Then we want to "tag" the author on the photo - author being the facebook user which uploaded the photo to our server -, so that the picture shows off on this user timeline - not a post referencing the picture, because the "likes" must be on the picture and not on a share of it.
We are stuck on the 3-2 step, since we could not find a way to properly tag a user on a fan page picture using Graph API (either as a user or a page or an app - access_tokens).
In a more functional point of view, we want to post a picture in a Facebook Fan Page Album (via a fbapp), and have this picture integrated on both Fan Page and User (Author) timelines without having to repost this picture (to prevent likes fragmentation between picture and shares).
Hope my explanations are clear, any help will be (greatly) welcome. :)

Creating embedded app in Yammer

Is it possible to create an App that has an embedded page (iframe/etc) inside Yammer ?
Looks like the apps are only able to manipulate Yammer from outside (Open Graph) but can't actually be pages inside Yammer
(Similar to apps in facebook)
Thanks
Yammer doesn't have third-party app running inside users' home page/feed. However Apps can be listed under Yammer Directory and users can go from their menu inside Yammer to browse the apps and use them. Existing apps can be found at: https://www.yammer.com/apps?from=nav

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