iOS: Open another iOS app that's already installed in your current app

Application of 1.url schemes

Open another app, OpenURL, on your iOS system.

first , you need to know the URL schemes of the A app configured in Info.plis.

We assume that A's URL schemes is configured as Appa

then , in the info.plist of your project Lsapplicationqueriesschemes configure the whitelist to open the app

Add Appa to item

finally , it's in the code that opens

[[UIApplication shareapplication] openurl:@ "appa://"]

Note : This is just a simple open, in-depth and return to this application, parameter passing.

iOS: Open another iOS app that's already installed in your current app