Does anyone knows if Amazon GameCircle exposes a player's email address to the app? According to this documentation, the API only exposes player's Alias (probably the nickname chosen by player), Avatar URL, and PlayerID (which is a unique string identifying the player). So is it safe to say that an app/game developer cannot fetch player's Amazon account's email address via GameCircle?
Thank you!
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I'm wondering if it's possible, through perhaps pixel tracking or another means, to know an email recipient's IP address to provide location-based dynamic content?
The most reliable way would likely be to embed a tiny image in the header that links to one of your servers. Then when the open the image you can get their ip address based on where it was accessed.
Pixel tracking is easy,
but you mentioned "dynamic content".
This means you need to make your email content change after the recipients open their email, which can only be achieved by javascript.
As far as I know, some email clients will block javascript execution, see here.
If you can use the first mail to record user's ip address, and store in database, you can use the information in the second mail.
Or you can provide a link in your email content, which leads the user to a dynamic webpage.
#Aviator provided a nice solution of generating dynamic image to solve the problem.
Suppose I have an email address abcd1234#gmail.com, I would like to check whether this email address has been used in Apple,Facebook,Twitter and so on. (used means it has been registered as an account).
How to do it with programming? It there any open API ? Any language will be fine.
No. A feature like this would be a security risk, because finding valid account email addresses is the first step in getting control over the account (second step is retrieving the password from somewhere).
There is no such api, this seems to be really unsecure thing.
The way I can see for you to do this – try to register a new account with this e-mail address, and view the result.
I'm trying to find a way to lookup a Klout score using either an email address or a facebookID. Looking at the API documentation for Klout (http://developer.klout.com/io-docs) it looks like it's possible to do this with just about everything else except facebook or email.
Am I missing something? I would have expected getting a klout score from an email address would be fairly standard.
We don't offer FacebookID because Facebook's TOS doesn't allow two 3rd party developers to transfer Facebook IDs between eachother.
We don't offer email addresses to respect user's privacy, and it would only apply to a registered userbase.
There are outside companies that provide email to social identifier translation, which may enable you to get at this data, but it's not something we're looking to provide directly in the near future.
My Facebook application needs the IP Address of another user to communicate with that other user. So two users are using my application and one user wants to communicate with the other user. How does user A get the IP address of user B, or alternatively how does user B send its IP address to user A?
If this is not possible without passing the data manually is there a DB table that the IP address can be written to. My Facebook application has the ability to get its own local IP address. I just need a way to get the remote IP address using API's.
Facebook don't have support for any custom data storage, you will need to handle this on your own in your applications server code.
Basically you will need to have a database (or similar storage) where you store facebook user id and IP-address.
Another note is that you can't get another Facebook users IP-address from Facebook, you need to get it from your connection to the user.
Have both users connect to a server of your choice, register the IPs there.
Facebook does not supply users' IP addresses, so you'll need to handle this on your own. You should be able to retrieve this from the HTTP request headers your users submit. Check the source IP and store it in a database, then use that to send to the other user.
I am using the MFMailComposeViewController in 3.0 to send an email with attachment etc. inside my app. I would like the "To:" address to be defaulted to the default account/address on the device. How can I access this address to place it into a string for the setToRecipients?
Essentially, I'm going to let the user send an email to themselves (as the default "To") with an attachment inside the app.
The API doesn't expose that information publicly (for probably good reasons, such as preventing developers from harvesting iPhone users' email addresses).
You should probably go about asking for the user's email address and then saving it for future use.
It appears that the accepted answer is wrong
Getting user's default email address in Cocoa
This answer shows the code for getting the e-mail address from the address book ( listed under 'me' )
EDIT: Note the comment! OSX only not iOS :|
You can use ABGetMe for iOS to get the user's address book card. Have a look at the source code, you will see how to retrieve all e-mail addresses for a given ABRecordRef.