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(VB.NET) Get all Tasks on a List

Demonstrates how to get all the tasks in a Google task list.

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

' Get the previously obtained access token.
' See Get Google Tasks Access Token.

Dim fac As New Chilkat.FileAccess
Dim accessToken As String = fac.ReadEntireTextFile("qa_data/tokens/googleTasks.txt","utf-8")
If (fac.LastMethodSuccess <> True) Then
    Debug.WriteLine(fac.LastErrorText)
    Exit Sub
End If


Dim http As New Chilkat.Http

http.AuthToken = accessToken

' Get the tasks from the task list w/ id = MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow
http.SetUrlVar("tasklist","MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow")

Dim resp As Chilkat.HttpResponse = http.QuickGetObj("https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks")
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' Show the response body.
Debug.WriteLine(resp.BodyStr)

' Examine the response status code.
Debug.WriteLine("response status code: " & resp.StatusCode)


' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

Dim kind As String
Dim etag As String
Dim i As Integer
Dim count_i As Integer
Dim id As String
Dim title As String
Dim updated As String
Dim selfLink As String
Dim position As String
Dim notes As String
Dim status As String
Dim due As String

Dim json As New Chilkat.JsonObject
json.Load(resp.BodyStr)

kind = json.StringOf("kind")
etag = json.StringOf("etag")
i = 0
count_i = json.SizeOfArray("items")
While i < count_i
    json.I = i
    kind = json.StringOf("items[i].kind")
    id = json.StringOf("items[i].id")
    etag = json.StringOf("items[i].etag")
    title = json.StringOf("items[i].title")
    updated = json.StringOf("items[i].updated")
    selfLink = json.StringOf("items[i].selfLink")
    position = json.StringOf("items[i].position")
    notes = json.StringOf("items[i].notes")
    status = json.StringOf("items[i].status")
    due = json.StringOf("items[i].due")
    i = i + 1
End While



' Sample response:

' {
'  "kind": "tasks#tasks",
'  "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/LTM3Njg4MjgyNA\"",
'  "items": [
'   {
'    "kind": "tasks#task",
'    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
'    "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/NjcyMTU4Mg\"",
'    "title": "Get haircut",
'    "updated": "2019-04-04T18:07:58.000Z",
'    "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
'    "position": "00000000001610612734",
'    "notes": "Check in online first.",
'    "status": "needsAction",
'    "due": "2019-04-07T00:00:00.000Z"
'   },
'   {
'    "kind": "tasks#task",
'    "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
'    "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/MTU1MjQzNDIwMQ\"",
'    "title": "Go to grocery store",
'    "updated": "2019-04-04T17:59:15.000Z",
'    "selfLink": "https://www.googleapis.com/tasks/v1/lists/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow/tasks/MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoxMTg0MzQxMTkzMjM2MDY1",
'    "position": "00000000002147483647",
'    "notes": "Don't forget to buy apples.",
'    "status": "needsAction",
'    "due": "2019-04-07T00:00:00.000Z"
'   }
'  ]
' }
' 
' response status code: 200

 

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