(Xojo Plugin) List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example uses a previously obtained access token having permission for the 
// Google Calendar scope.

// In this example, Get Google Calendar OAuth2 Access Token, the access
// token was saved to a JSON file.  This example fetches the access token from the file..
Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean
success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json")
If (jsonToken.HasMember("access_token") = False) Then
    System.DebugLog("No access token found.")
    Return
End If

Dim http As New Chilkat.Http
http.AuthToken = jsonToken.StringOf("access_token")

Dim jsonResponse As String
jsonResponse = http.QuickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList")
If (http.LastMethodSuccess <> True) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

System.DebugLog(jsonResponse)
System.DebugLog("-----------------------------")

// This is a sample JSON response:
// (Sample code to iterate over the JSON response is shown below.)

// {
//  "kind": "calendar#calendarList",
//  "etag": "\"p32cfpufit76da0g\"",
//  "nextSyncToken": "CJj8-fLpzNUCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
//  "items": [
//   {
//    "kind": "calendar#calendarListEntry",
//    "etag": "\"1465249947472000\"",
//    "id": "support@chilkatcloud.com",
//    "summary": "support@chilkatcloud.com",
//    "timeZone": "America/Chicago",
//    "colorId": "14",
//    "backgroundColor": "#9fe1e7",
//    "foregroundColor": "#000000",
//    "selected": true,
//    "accessRole": "owner",
//    "defaultReminders": [
//     {
//      "method": "popup",
//      "minutes": 10
//     }
//    ],
//    "notificationSettings": {
//     "notifications": [
//      {
//       "type": "eventCreation",
//       "method": "email"
//      },
//      {
//       "type": "eventChange",
//       "method": "email"
//      },
//      {
//       "type": "eventCancellation",
//       "method": "email"
//      },
//      {
//       "type": "eventResponse",
//       "method": "email"
//      }
//     ]
//    },
//    "primary": true
//   },
//   {
//    "kind": "calendar#calendarListEntry",
//    "etag": "\"1502373382732000\"",
//    "id": "#contacts@group.v.calendar.google.com",
//    "summary": "Contacts",
//    "timeZone": "America/Chicago",
//    "colorId": "13",
//    "backgroundColor": "#92e1c0",
//    "foregroundColor": "#000000",
//    "selected": true,
//    "accessRole": "reader",
//    "defaultReminders": []
//   },
//   {
//    "kind": "calendar#calendarListEntry",
//    "etag": "\"1502373376447000\"",
//    "id": "en.usa#holiday@group.v.calendar.google.com",
//    "summary": "Holidays in United States",
//    "timeZone": "America/Chicago",
//    "colorId": "8",
//    "backgroundColor": "#16a765",
//    "foregroundColor": "#000000",
//    "selected": true,
//    "accessRole": "reader",
//    "defaultReminders": []
//   }
//  ]
// }
// 

// Iterate over the JSON response..
Dim json As New Chilkat.JsonObject
success = json.Load(jsonResponse)

Dim numCalendars As Int32
numCalendars = json.SizeOfArray("items")
Dim i As Int32
i = 0
While i < numCalendars
    System.DebugLog("--- " + Str(i) + " ---")
    json.I = i
    System.DebugLog("kind: " + json.StringOf("items[i].kind"))
    System.DebugLog("id: " + json.StringOf("items[i].id"))

    // Examine the notification settings, if any..
    Dim numSettings As Int32
    numSettings = json.SizeOfArray("items[i].notificationSettings.notifications")
    If (numSettings > 0) Then
        Dim j As Int32
        j = 0
        While j < numSettings
            json.J = j
            System.DebugLog("Notification Type: " + json.StringOf("items[i].notificationSettings.notifications[j].type"))
            System.DebugLog("Notification Method: " + json.StringOf("items[i].notificationSettings.notifications[j].method"))
            j = j + 1
        Wend
    End If

    i = i + 1
Wend