Sample code for 30+ languages & platforms
Objective-C

Create a New GMail Label

See more GMail REST API Examples

Demonstrates how to create a new GMail label.

Chilkat Objective-C Downloads

Objective-C
#import <CkoHttp.h>
#import <NSString.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>

BOOL success = NO;

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

CkoHttp *http = [[CkoHttp alloc] init];
http.AuthToken = @"GMAIL-ACCESS-TOKEN";

NSString *userId = @"me";
[http SetUrlVar: @"userId" value: userId];

// Create the JSON to be sent in the HTTP request body.
// The name of the new label is "questions".
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"name" value: @"questions"];
[json UpdateString: @"labelListVisibility" value: @"labelShow"];
[json UpdateString: @"messageListVisibility" value: @"show"];

json.EmitCompact = NO;
NSLog(@"%@",[json Emit]);

// The JSON contains this:
// {
//   "name": "questions",
//   "labelListVisibility": "labelShow",
//   "messageListVisibility": "show"
// }

NSString *url = @"https://www.googleapis.com/gmail/v1/users/{$userId}/labels";
CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpJson: @"POST" url: url json: json contentType: @"application/json" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%@%d",@"status = ",[resp.StatusCode intValue]);

// A 200 response status indicate success.
if ([resp.StatusCode intValue] != 200) {
    NSLog(@"%@",resp.BodyStr);
    NSLog(@"%@",@"Failed.");
    return;
}

// A successful repsonse contains JSON that looks like this:

// {
//  "id": "Label_43",
//  "name": "questions",
//  "messageListVisibility": "show",
//  "labelListVisibility": "labelShow"
// }

NSLog(@"%@",@"response body:");
NSLog(@"%@",resp.BodyStr);

NSLog(@"%@",@"GMail label created!");