Fixed an issue where KarenPrefsAnimatedExitToSpringBoard would not al…

…ways work properly on iOS 11

KarenPrefsAnimatedExitToSpringBoard.m

@@ -1,4 +1,5 @@
 #import "KarenPrefsAnimatedExitToSpringBoard.h"
+#import <version.h>
 
 @implementation UIApplication (KarenPrefsAnimatedExitToSpringBoard)
 -(void) karenPrefsAnimatedExit {
@@ -9,7 +10,10 @@ -(void) karenPrefsAnimatedExit {
 	if ([self respondsToSelector:@selector(suspend)]) {
 		if (multitaskingSupported) {
 			[self beginBackgroundTaskWithExpirationHandler:^{}];
-			[self performSelector:@selector(exit) withObject:nil afterDelay:0.4];
+			// iOS 11 changed something and now delay values above 0 no longer work reliably (sometimes it will work, other times it will not)
+			// Setting the delay value to 0 makes it look… ugly, to say the least (the app will flash to black before animating), but it's the best we can do until I figure out a better solution.
+			// Note that setting a delay of 0 does not equate to instantaneous call, it still waits on the thread properly so the animation /does/ still work
+			[self performSelector:@selector(exit) withObject:nil afterDelay:((kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iOS_11_0) ? 0.4 : 0)];
 		}
 		[self suspend];
 	} else {

control

@@ -1,7 +1,7 @@
 Package: net.angelxwind.karenprefs
 Name: KarenPrefs
 Depends: preferenceloader
-Version: 1.3
+Version: 1.3.1
 Architecture: iphoneos-arm
 Description: A development library that provides various conveniences and enhancements for developers seeking to write preference bundles for their tweaks.
 Homepage: https://cydia.angelxwind.net/