ios - how to determine in applicationDidBecomeActive whether it is the initial iPhone app launch? -

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how determine in how determine in uiapplicationdidbecomeactivenotification whether initial app launch?whether initial app launch?

that initial start of application, opposed subsequent didbecomeactive's due application being put in background , foreground (e.g. user goes calendar app)

in applicationdidfinishlaunching:withoptions: put this:

[[nsuserdefaults standarduserdefaults] setbool:yes forkey:@"alreadylaunched"]; [[nsuserdefaults standarduserdefaults] synchronize];

then, in didbecomeactive:

if ([[nsuserdefaults standarduserdefaults] boolforkey:@"alreadylaunched"]) {     // not initial launch... } else {     // initial launch... }

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