(Objective-C) Get all Tasks on a List

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

Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

#import <CkoFileAccess.h>
#import <NSString.h>
#import <CkoHttp.h>
#import <CkoHttpResponse.h>
#import <CkoJsonObject.h>

// 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.

CkoFileAccess *fac = [[CkoFileAccess alloc] init];
NSString *accessToken = [fac ReadEntireTextFile: @"qa_data/tokens/googleTasks.txt" charset: @"utf-8"];
if (fac.LastMethodSuccess != YES) {
    NSLog(@"%@",fac.LastErrorText);
    return;
}

CkoHttp *http = [[CkoHttp alloc] init];

http.AuthToken = accessToken;

// Get the tasks from the task list w/ id = MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow
[http SetUrlVar: @"tasklist" value: @"MDM4MzQ4NTA3NDQwMDUxMzQ2OTQ6NzAwOTA4MDA1NzU2ODYwMzow"];

CkoHttpResponse *resp = [http QuickGetObj: @"https://www.googleapis.com/tasks/v1/lists/{$tasklist}/tasks"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// Show the response body.
NSLog(@"%@",resp.BodyStr);

// Examine the response status code.
NSLog(@"%@%d",@"response status code: ",[resp.StatusCode intValue]);

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

NSString *kind = 0;
NSString *etag = 0;
int i;
int count_i;
NSString *id = 0;
NSString *title = 0;
NSString *updated = 0;
NSString *selfLink = 0;
NSString *position = 0;
NSString *notes = 0;
NSString *status = 0;
NSString *due = 0;

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json Load: resp.BodyStr];

kind = [json StringOf: @"kind"];
etag = [json StringOf: @"etag"];
i = 0;
count_i = [[json SizeOfArray: @"items"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: 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;
}

// 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