Cause a Crashlytics crash when either system or timezone date is nil.

Clocker.xcodeproj/project.pbxproj

@@ -338,7 +338,7 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -354,7 +354,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				SDKROOT = macosx;
 			};
 			name = Distribution;
@@ -365,7 +365,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = Clocker/Clocker.entitlements;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COMBINE_HIDPI_IMAGES = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -377,7 +377,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = com.abhishek.Clocker;
 				PRODUCT_NAME = Clocker;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Distribution;
@@ -393,7 +393,7 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COPY_PHASE_STRIP = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -417,7 +417,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				ONLY_ACTIVE_ARCH = YES;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				SDKROOT = macosx;
 			};
 			name = Debug;
@@ -433,7 +433,7 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -449,7 +449,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				SDKROOT = macosx;
 			};
 			name = Release;
@@ -460,7 +460,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = Clocker/Clocker.entitlements;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				FRAMEWORK_SEARCH_PATHS = (
@@ -473,7 +473,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = com.abhishek.Clocker;
 				PRODUCT_NAME = Clocker;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Debug;
@@ -484,7 +484,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_ENTITLEMENTS = Clocker/Clocker.entitlements;
-				CODE_SIGN_IDENTITY = "3rd Party Mac Developer Application: Abhishek Banthia (AJS5SNW8EY)";
+				CODE_SIGN_IDENTITY = "Mac Developer: Abhishek Banthia (75WFZYE9LW)";
 				COMBINE_HIDPI_IMAGES = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -496,7 +496,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = com.abhishek.Clocker;
 				PRODUCT_NAME = Clocker;
-				PROVISIONING_PROFILE = "1885f3d2-2a35-4a0b-b465-4c0119f4bbaf";
+				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Release;

Clocker/PanelController.m

@@ -30,6 +30,7 @@
 #import "BackgroundView.h"
 #import "StatusItemView.h"
 #import "MenubarController.h"
+#import <Crashlytics/Crashlytics.h>
 
 #define OPEN_DURATION .15
 #define CLOSE_DURATION .1
@@ -310,9 +311,6 @@
     NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
     dateFormatter.dateStyle = kCFDateFormatterShortStyle;
     dateFormatter.timeStyle = kCFDateFormatterNoStyle;
-    
-    
-    
     dateFormatter.timeZone = [NSTimeZone systemTimeZone];
     
     return [dateFormatter stringFromDate:currentDate];
@@ -327,6 +325,14 @@
     NSDate *localDate = [formatter dateFromString:systemDate];
     NSDate *timezoneDate = [formatter dateFromString:date];
     
+    if (localDate == nil || timezoneDate == nil) {
+        [[Crashlytics sharedInstance] crash];
+        [CrashlyticsKit setUserEmail:systemDate];
+        [CrashlyticsKit setUserIdentifier:date];
+        NSLog(@"One of the dates is nil");
+        return @"Today";
+    }
+    
     // Specify which units we would like to use
     unsigned units = NSCalendarUnitDay;
     NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];