Sharing data between applications.

[skinnytron]

Is there anyone of sharing or copying data between two separate applications you are developing (ie user profiles or something of that nature)?

[smasher]

Originally Posted by skinnytron

Is there anyone of sharing or copying data between two separate applications you are developing (ie user profiles or something of that nature)?

Apps can't read each others files - but you could use a URL scheme to launch one app from another. Any parameters in the URL would be passed.

[FlyingDiver]

I think I read that apps that share an application identifier can both access data stored in the user keychain. Can't be much data, but it depends on your requirements.

joe

[skinnytron]

Can 2 different applications actually have the same Application Identifier. I've had an app rejected from the app store because I forgot to change the Application Identifier so it wasn't unique.

[skinnytron]

Wait that's Bundle Identifier were talking about right? Not Application Identifier.

[sharik14]

Originally Posted by skinnytron

Wait that's Bundle Identifier were talking about right? Not Application Identifier.

Skinnytron,

I spent a *lot* of time wrestling with this exact problem. The answer works like so:

1) If you have a small amount of data, you can encode it, stick it onto a URL, and pass it back and forth between the apps.

2) If you have an external server (for example, you maintain a website, each app user has a login on that website), app1 can upload the data to the website, and app2 can download it.

3) Otherwise, you're pretty much out of luck.

Here is another thread exploring this question:
http://www.iphonedevsdk.com/forum/ip...user-data.html

Hope that helps.

Ben.

[MDAViiS]

As stated above, your best bet is to upload data to a database that you maintain, and then use the other application to download or read from that database.