iOS - open another application that exists on the phone?

问题

• Is it possible to open another application that exists on the phone from my app?
• Is it possible to check for availablility of an external application?

The other application is also my app.

回答1:

You can do this with the iOS URL handling features-- for example UIApplication canOpenURL:.

来源：https://stackoverflow.com/questions/7168845/ios-open-another-application-that-exists-on-the-phone