C# JSONObject.has方法代码示例

		// This onReceive will be call when a OneSignal Background Data Notification is received(before clicking) by the device.
		// You can read the additionalData and do anything you need here with it.
		// You may consider adding a wake lock here if you need to make sure the devices doesn't go to sleep while processing.
		// The following must also be in your AndroidManifest.xml for this to fire:
		/*
		 <receiver
		    android:name="com.onesignal.example.BackgroundDataBroadcastReceiver"
		    android:exported="false">
			<intent-filter>
		    	<action android:name="com.onesignal.BackgroundBroadcast.RECEIVE" />
		 	</intent-filter>
		 </receiver>
		 
		 Make sure to keep android:exported="false" so other apps can't call can this.
		*/
		public override void onReceive(Context context, Intent intent)
		{
			Bundle dataBundle = intent.getBundleExtra("data");

			try
			{
				Log.i("OneSignalExample", "Notification content: " + dataBundle.getString("alert"));
				Log.i("OneSignalExample", "Notification title: " + dataBundle.getString("title"));
				Log.i("OneSignalExample", "Is Your App Active: " + dataBundle.getBoolean("isActive"));

				JSONObject customJSON = new JSONObject(dataBundle.getString("custom"));
				if (customJSON.has("a"))
				{
					Log.i("OneSignalExample", "additionalData: " + customJSON.getJSONObject("a").ToString());
				}
			}
			catch (Exception t)
			{
				Console.WriteLine(t.ToString());
				Console.Write(t.StackTrace);
			}
		}

        public override void setAttributes(JSONObject json)
        {
            canDelete = json.optBoolean("canDelete", canDelete);

            if (json.has("id")) {
            id = (long)json.optDouble("id", 0);
            }
            name = json.optString("name", name);
        }

        public override void setAttributes(JSONObject json)
        {
            avatarHash = json.optString("avatarHash", avatarHash);
            currentStatus = json.optString("currentStatus", currentStatus);

            if (json.has("dateOfBirth")) {
            string temp = json.optString("dateOfBirth", "");
            dateOfBirth = temp.isEmpty() ? 0 : Long.parseLong(temp);
            }
            displayName = json.optString("displayName", displayName);
            ecoid = json.optString("ecoid", ecoid);
            emailAddress = json.optString("emailAddress", emailAddress);
            gender = json.optString("gender", gender);
            if (json.has("installedApps")) {
            installedApps = com.google.common.collect.Lists.newArrayList();
            JSONArray temp = json.optJSONArray("installedApps");
            if(temp != null){
                for (int idx = 0; idx < temp.length(); idx++) {
                    !! Someone needs to write a converter for List<string>
                }
            }
            }
            location = json.optString("location", location);
            maxVcardSize = json.optDouble("maxVcardSize", maxVcardSize);
            nickname = json.optString("nickname", nickname);
            nowPlayingMessage = json.optString("nowPlayingMessage", nowPlayingMessage);
            personalMessage = json.optString("personalMessage", personalMessage);

            if (json.has("personalMessageTimestamp")) {
            string temp = json.optString("personalMessageTimestamp", "");
            personalMessageTimestamp = temp.isEmpty() ? 0 : Long.parseLong(temp);
            }
            personalMessageTpaUri = json.optString("personalMessageTpaUri", personalMessageTpaUri);
            pin = json.optString("pin", pin);
            if (json.has("pins")) {
            pins = com.google.common.collect.Lists.newArrayList();
            JSONArray temp = json.optJSONArray("pins");
            if(temp != null){
                for (int idx = 0; idx < temp.length(); idx++) {
                    !! Someone needs to write a converter for List<string>
                }
            }
            }
            showBusy = json.optBoolean("showBusy", showBusy);
            showLocationTimezone = json.optBoolean("showLocationTimezone", showLocationTimezone);
            systemNotifications = json.optString("systemNotifications", systemNotifications);
            timezone = json.optString("timezone", timezone);
            uri = json.optString("uri", uri);
        }

		  /// <summary>
		  /// Called when a notification is opened from the Android status bar or a new one comes in while the app is in focus.
		  /// </summary>
		  /// <param name="message">
		  ///           The message string the user seen/should see in the Android status bar. </param>
		  /// <param name="additionalData">
		  ///           The additionalData key value pair section you entered in on onesignal.com. </param>
		  /// <param name="isActive">
		  ///           Was the app in the foreground when the notification was received. </param>
		  public override void notificationOpened(string message, JSONObject additionalData, bool isActive)
		  {
			 string messageTitle = "OneSignal Example", messageBody = message;

			 try
			 {
				if (additionalData != null)
				{
				   if (additionalData.has("title"))
				   {
					  messageTitle = additionalData.getString("title");
				   }
				   if (additionalData.has("actionSelected"))
				   {
					  messageBody += "\nPressed ButtonID: " + additionalData.getString("actionSelected");
				   }

				   messageBody = message + "\n\nFull additionalData:\n" + additionalData.ToString();
				}
			 }
			 catch (JSONException)
			 {
			 }

			 SafeAlertDialog(messageTitle, messageBody);
		  }