Sample code for 30+ languages & platforms
Unicode C++

Update a Task's Status to "completed"

See more Google Tasks Examples

Demonstrates how to update a Google task's status to "completed".

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkFileAccessW.h>
#include <CkHttpW.h>
#include <CkJsonObjectW.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  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.

    CkFileAccessW fac;
    const wchar_t *accessToken = fac.readEntireTextFile(L"qa_data/tokens/googleTasks.txt",L"utf-8");
    if (fac.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",fac.lastErrorText());
        return;
    }

    CkHttpW http;

    http.put_AuthToken(accessToken);

    const wchar_t *taskId = L"MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0";

    //  Create the JSON to update the task status to completed.
    CkJsonObjectW json;
    json.UpdateString(L"id",taskId);
    json.UpdateString(L"status",L"completed");

    //  Specify the ID's for both the task list and the task.
    http.SetUrlVar(L"tasklist",L"MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow");
    http.SetUrlVar(L"task",taskId);

    const wchar_t *url = L"https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks/{$task}";
    CkHttpResponseW resp;
    success = http.HttpJson(L"PUT",url,json,L"application/json",resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    //  Show the response body.
    wprintf(L"%s\n",resp.bodyStr());

    //  Examine the response status code.
    wprintf(L"response status code: %d\n",resp.get_StatusCode());

    //  Sample response:
    //  Use this online tool to generate parsing code from sample JSON: 
    //  Generate Parsing Code from JSON

    //  {
    //   "kind": "tasks#task",
    //   "id": "MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzoyMDg3OTcyMDA1MTQ5NTA0",
    //   "etag": "\"84_7Cubo3y98GMV9bE3zQclHxhc/MTQyMDUzMzQ4MA\"",
    //   "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": "completed",
    //   "completed": "2019-04-04T18:38:56.000Z"
    //  }
    //  
    //  response status code: 200
    }