Objective-C
Google Photos List Media Items

List all media items from a user's Google Photos library.
Chilkat Objective-C Downloads

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

BOOL success = NO;

// 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 Photos Access Token.

CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
success = [jsonToken LoadFile: @"qa_data/tokens/googlePhotos.json"];
if (success == NO) {
    NSLog(@"%@",jsonToken.LastErrorText);
    return;
}

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

http.AuthToken = [jsonToken StringOf: @"access_token"];

// For more information, see Google Photos List Media Items API Documentation

CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpNoBody: @"GET" url: @"https://photoslibrary.googleapis.com/v1/mediaItems?pageSize=100" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// Examine the response status code.  Success is indicated by a status code of 200.
NSLog(@"%@%d",@"response status code: ",[resp.StatusCode intValue]);

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

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

// (See parsing code below...)

// {
//   "mediaItems": [
//     {
//       "id": "AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7ZcHJhUmxO8EgRSBFyBaGAyXE...YMWCAMDlNTA6-L5LiijXAUfKgD1ULhr9IabJBGTT7ETUdeeFTQTM",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2019-04-11T17:55:53Z",
//         "width": "640",
//         "height": "480",
//         "photo": {
//           "cameraMake": "Apple",
//           "cameraModel": "iPhone 5s",
//           "focalLength": 4.15,
//           "apertureFNumber": 2.2,
//           "isoEquivalent": 32
//         }
//       },
//       "filename": "IMG_1206.JPG"
//     },
//     {
//       "id": "AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7NQe0qdoZrDHkfkK7LOsw-V...YJ1mrohD5duHsY2QJCzLTXZ65EOUrJefars3xDSwsCYlelY470kk",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2016-10-09T01:49:58Z",
//         "width": "600",
//         "height": "427",
//         "photo": {}
//       },
//       "filename": "hedgehogs.jpg"
//     },
//     {
//       "id": "AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e64wP9gpPXKq5b8FCFKzu9C...QTFxMLVRaLeQZBvYGZVIe7xCcRPnRhMpiXwL_RV_aU",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2015-09-21T20:30:02Z",
//         "width": "59",
//         "height": "69",
//         "photo": {}
//       },
//       "filename": "chilkat_gravatar.jpg"
//     },
//     {
//       "id": "AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e4e69WQpYcQX...m87rR6gDBhcB55TL__3ckBYNQ8MjbqpBtmojjYWrLG_j4VsVSA",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-05-29T15:30:55Z",
//         "width": "120",
//         "height": "120",
//         "photo": {}
//       },
//       "filename": "starfish.jpg"
//     },
//     {
//       "id": "AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "description": "Photo of Penguins",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e5Cj3EgyhscdT...X3-W562iiKtTa8lc_QPxCrpJu-m7cZyNGwGTANVpGe1XG",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-02-18T05:07:31Z",
//         "width": "1024",
//         "height": "768",
//         "photo": {}
//       },
//       "filename": "penguins.jpg"
//     }
//   ]
// }
// 

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

int i;
int count_i;
NSString *id = 0;
NSString *productUrl = 0;
NSString *baseUrl = 0;
NSString *mimeType = 0;
NSString *mediaMetadataCreationTime = 0;
NSString *mediaMetadataWidth = 0;
NSString *mediaMetadataHeight = 0;
NSString *mediaMetadataPhotoCameraMake = 0;
NSString *mediaMetadataPhotoCameraModel = 0;
NSString *mediaMetadataPhotoFocalLength = 0;
NSString *mediaMetadataPhotoApertureFNumber = 0;
int mediaMetadataPhotoIsoEquivalent;
NSString *filename = 0;
NSString *description = 0;

i = 0;
count_i = [[json SizeOfArray: @"mediaItems"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    id = [json StringOf: @"mediaItems[i].id"];
    productUrl = [json StringOf: @"mediaItems[i].productUrl"];
    baseUrl = [json StringOf: @"mediaItems[i].baseUrl"];
    mimeType = [json StringOf: @"mediaItems[i].mimeType"];
    mediaMetadataCreationTime = [json StringOf: @"mediaItems[i].mediaMetadata.creationTime"];
    mediaMetadataWidth = [json StringOf: @"mediaItems[i].mediaMetadata.width"];
    mediaMetadataHeight = [json StringOf: @"mediaItems[i].mediaMetadata.height"];
    mediaMetadataPhotoCameraMake = [json StringOf: @"mediaItems[i].mediaMetadata.photo.cameraMake"];
    mediaMetadataPhotoCameraModel = [json StringOf: @"mediaItems[i].mediaMetadata.photo.cameraModel"];
    mediaMetadataPhotoFocalLength = [json StringOf: @"mediaItems[i].mediaMetadata.photo.focalLength"];
    mediaMetadataPhotoApertureFNumber = [json StringOf: @"mediaItems[i].mediaMetadata.photo.apertureFNumber"];
    mediaMetadataPhotoIsoEquivalent = [[json IntOf: @"mediaItems[i].mediaMetadata.photo.isoEquivalent"] intValue];
    filename = [json StringOf: @"mediaItems[i].filename"];
    description = [json StringOf: @"mediaItems[i].description"];
    i = i + 1;
}