iOS 12 support! Also tweaked the colors a little bit

Tweak.xm

+#import "ZenithDark.h"
+
 /*
 
 Dark Mode for Zenith's Grabber view!
 
 */
 
-#import "ZenithDark.h"
-
+%group Tweak13
 // We then hook the class in this case Zenith's grabber view is called “ZNGrabberAccessoryView” 
 %hook ZNGrabberAccessoryView
 
   }
 }
 
-// we need to make sure we tell theos that we are finished hooking this class not doing so with cause the end of the world :P
+  %end   // We need to make sure we tell theos that we are finished hooking this class not doing so with cause the end of the world :P
 %end
 
+static BOOL ios13;
+
+
+%group Tweak12
+
+//We then hook the class in this case Zenith's grabber view is called “ZNGrabberAccessoryView” 
+%hook ZNGrabberAccessoryView
+// The method we then modify is this method that is called from UIImageView to set the backgroundColor of the image view. 
+// Since the grabber view is of type UIImageView we can modify this method :)
+
+-(void)setBackgroundColor:(UIColor *)backgroundColor {
+  //call the original function then pass our custom argument to the backgroundColor argument as shown below.
+  %orig(kDarkModeColor);
+}
+
+// We need to make sure we tell theos that we are finished hooking this class not doing so with cause the end of the world :P
+%end
+%end
 
 
-// Load preferences to make sure changes are written to the plist
-static void loadPrefs() {
+static void loadPrefs() {   // Load preferences to make sure changes are written to the plist
 
   // Thanks to skittyblock!
   CFArrayRef keyList = CFPreferencesCopyKeyList(CFSTR("com.mac-user669.zenithdark"), kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
    prefs = [NSMutableDictionary dictionaryWithContentsOfFile:PLIST_PATH];
 
   }
-    //our preference values that write to a plist file when a user selects somethings
-  kEnabled = [([prefs objectForKey:@"kEnabled"] ?: @(YES)) boolValue];
+  kEnabled = [([prefs objectForKey:@"kEnabled"] ?: @(YES)) boolValue];    //our preference values that write to a plist file when a user selects somethings
 }
 
 
-// thanks to skittyblock!
+// Thanks to skittyblock!
 static void PreferencesChangedCallback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {
   loadPrefs();
 }
 
-// our constructor
-%ctor {
-  // load our prefs
- loadPrefs(); 
+%ctor {   // Our constructor
+
+ loadPrefs();   // Load our prefs
+
+ if (kEnabled) {    // If enabled
+    if (@available(iOS 13, *)) {    // If the device is running iOS 13
+      ios13 = YES;    // Set "iOS13" to "YES"
+      %init(Tweak13);   // Enable the group "Tweak13"
+    } else {
+      ios13 = NO;   // Set "iOS13" to "NO"
+      %init(Tweak12);   // Enable the group "Tweak12"
+    }
+  }
+
  CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, (CFNotificationCallback) PreferencesChangedCallback, CFSTR("com.mac-user669.zenithdark.prefschanged"), NULL, CFNotificationSuspensionBehaviorDeliverImmediately);
-  // We use this to make sure we load Zenith's dynamic library at runtime so we can modify it with our tweak.
-dlopen ("/Library/MobileSubstrate/DynamicLibraries/Zenith.dylib", RTLD_NOW);
 
-}
+dlopen ("/Library/MobileSubstrate/DynamicLibraries/Zenith.dylib", RTLD_NOW);      // We use this to make sure we load Zenith's dynamic library at runtime so we can modify it with our tweak.
+
+}

ZenithDark.h

 NSMutableDictionary *prefs;
 
 // Dark Zenith color we are using macros so we can call it later if need be.
-#define kDarkModeColor [UIColor colorWithWhite:0.0 alpha:0.44]
+#define kDarkModeColor [UIColor colorWithRed:0.11 green:0.11 blue:0.11 alpha:0.73];
 
 // Stock Zenith color we are using macros so we can call it later if need be.
-#define kLightModeColor [UIColor colorWithWhite:1.0 alpha:0.7]
+#define kLightModeColor [UIColor colorWithWhite:1.0 alpha:0.8]
 
 // the PLIST path where all user settings are stored.
 #define PLIST_PATH @"/var/mobile/Library/Preferences/com.mac-user669.zenithdark.plist"

control

 Package: com.mac-user669.zenithdark
-Version: 1.1
+Version: 1.2
 Architecture: iphoneos-arm
 Maintainer: mac-user669
-Depends: mobilesubstrate, preferenceloader, com.muirey03.zenith, firmware (>=13.0)
+Depends: mobilesubstrate, preferenceloader, com.muirey03.zenith
 Section: Tweaks
 Description: Changes Zeniths tabs to a dark blur
 Author: mac-user669