I'm working on an app that manages my own URL scheme so I implement the callback:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions (NSDictionary *)launchOptions
{
// Get our launch URL
if (launchOptions != nil)
{
// Launch dictionary has data
NSURL* launchURL = [launchOptions objectForKey: UIApplicationLaunchOptionsURLKey];
// Parse the URL
NSString* hostString = [launchURL host];
blah blah blah...
It works very nice but I need to launch the caller application (i.e. the app that opened the URL). So my question here is, is it possible?
I have been playing with UIApplicationLaunchOptionsSourceApplicationKey
but I can't launch back the app by its application Bundle ID. Can I?
I have also tried the undocumented launchApplicationWithIdentifier:
of UIApplication
, but I need a real solution and it seems that workaround only works in the Simulator.
Any ideas? Thank you!
The only way would be to have both apps each support a custom URL scheme. Then you embed the caller URL in the URL of the other app.
For example, let's say App2 wants to call App1 in a way so that App1 could then "call back" to App2. It would create and open an URL like this:
app1://?caller=app2%3A%2F%2Fblabla
When you decode the caller
part you would get back the string app2://blabla
which you could then again open with openURL:
to "call back".
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