Cancel notications before unpersisting

src/android/LocalNotification.java

@@ -44,24 +44,22 @@ public class LocalNotification extends CordovaPlugin {
         String alarmId = options.getId();
 
         if (action.equalsIgnoreCase("add")) {
-            if (alarmId != null)
             persist(alarmId, args);
-
             add(options);
 
             return true;
         }
 
         if (action.equalsIgnoreCase("cancel")) {
-            unpersist(alarmId);
             cancel(alarmId);
+            unpersist(alarmId);
 
             return true;
         }
 
         if (action.equalsIgnoreCase("cancelAll")) {
-            unpersistAll();
             cancelAll();
+            unpersistAll();
 
             return true;
         }
@@ -149,9 +147,11 @@ public class LocalNotification extends CordovaPlugin {
     private void persist (String alarmId, JSONArray args) {
         Editor editor = cordova.getActivity().getSharedPreferences(PLUGIN_NAME, Context.MODE_PRIVATE).edit();
 
+        if (alarmId != null) {
             editor.putString(alarmId, args.toString());
             editor.commit();
         }
+    }
 
     /**
      * Remove a specific alarm from the Android shared Preferences.
@@ -162,9 +162,11 @@ public class LocalNotification extends CordovaPlugin {
     private void unpersist (String alarmId) {
         Editor editor = cordova.getActivity().getSharedPreferences(PLUGIN_NAME, Context.MODE_PRIVATE).edit();
 
+        if (alarmId != null) {
             editor.remove(alarmId);
             editor.commit();
         }
+    }
 
     /**
      * Clear all alarms from the Android shared Preferences.