Notification on iOS will be canceled if a new one with the same ID was added

README.md

@@ -49,6 +49,7 @@ More informations can be found [here](https://build.phonegap.com/plugins/331).
 #### Version 0.7.0 (not yet released)
 - [bugfix:] App throws an error on iOS if `message` is null.
 - [bugfix:] Removed extra line break on iOS if `title` is null or empty.
+- [bugfix:] Notification on iOS will be canceled if a new one with the same ID was added.
 
 #### Version 0.6.3 (12.12.2013)
 - [bugfix:] Black screen on Android.

src/ios/APPLocalNotification.m

@@ -23,6 +23,8 @@
 
 @interface APPLocalNotification (Private)
 
+// Entfernt die zur ID passende Meldung
+ - (void) cancelNotificationWithId:(NSString*)notificationId;
 - (NSMutableDictionary*) repeatDict;
 // Alle zusätzlichen Metadaten der Notification als Hash
 - (NSDictionary*) userDict:(NSMutableDictionary*)options;
@@ -47,23 +49,49 @@
         NSArray* arguments                = [command arguments];
         NSMutableDictionary* options      = [arguments objectAtIndex:0];
         UILocalNotification* notification = [self notificationWithProperties:options];
+        NSString* notificationId          = [notification.userInfo objectForKey:@"id"];
+
+        [self cancelNotificationWithId:notificationId];
 
         [[UIApplication sharedApplication] scheduleLocalNotification:notification];
     }];
 }
 
 /**
- * Entfernt den anhand der ID angegebenen Eintrag.
- *
- * @param {NSString} id Die ID der Notification
+ * Entfernt die zur ID passende Meldung.
  */
 - (void) cancel:(CDVInvokedUrlCommand*)command
 {
     [self.commandDelegate runInBackground:^{
         NSArray* arguments       = [command arguments];
         NSString* notificationId = [arguments objectAtIndex:0];
+
+        [self cancelNotificationWithId:notificationId];
+    }];
+}
+
+/**
+ * Entfernt alle registrierten Einträge.
+ */
+- (void) cancelAll:(CDVInvokedUrlCommand*)command
+{
+    [[UIApplication sharedApplication] cancelAllLocalNotifications];
+}
+
+/**
+ * Entfernt die zur ID passende Meldung.
+ *
+ * @param {NSString} id Die ID der Notification
+ */
+- (void) cancelNotificationWithId:(NSString*)notificationId
+{
     NSArray* notifications = [[UIApplication sharedApplication] scheduledLocalNotifications];
 
+    if (notificationId == (NSString*)[NSNull null] || [notificationId isEqualToString:@""])
+    {
+        return;
+    }
+
     for (UILocalNotification* notification in notifications)
     {
         NSString* id = [notification.userInfo objectForKey:@"id"];
@@ -73,15 +101,6 @@
             [[UIApplication sharedApplication] cancelLocalNotification:notification];
         }
     }
-    }];
-}
-
-/**
- * Entfernt alle registrierten Einträge.
- */
-- (void) cancelAll:(CDVInvokedUrlCommand*)command
-{
-    [[UIApplication sharedApplication] cancelAllLocalNotifications];
 }
 
 /**