(VB.NET UWP/WinRT) Google Photos List Media Items

List all media items from a user's Google Photos library.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

' 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.

Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean = jsonToken.LoadFile("qa_data/tokens/googlePhotos.json")
If (success = False) Then
    Debug.WriteLine(jsonToken.LastErrorText)
    Exit Sub
End If


Dim http As New Chilkat.Http

http.AuthToken = jsonToken.StringOf("access_token")

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

Dim resp As Chilkat.HttpResponse = Await http.QuickRequestAsync("GET","https://photoslibrary.googleapis.com/v1/mediaItems?pageSize=100")
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' Examine the response status code.  Success is indicated by a status code of 200.
Debug.WriteLine("response status code: " & resp.StatusCode)

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


' Sample response:
json.EmitCompact = False
Debug.WriteLine(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

Dim i As Integer
Dim count_i As Integer
Dim id As String
Dim productUrl As String
Dim baseUrl As String
Dim mimeType As String
Dim mediaMetadataCreationTime As String
Dim mediaMetadataWidth As String
Dim mediaMetadataHeight As String
Dim mediaMetadataPhotoCameraMake As String
Dim mediaMetadataPhotoCameraModel As String
Dim mediaMetadataPhotoFocalLength As String
Dim mediaMetadataPhotoApertureFNumber As String
Dim mediaMetadataPhotoIsoEquivalent As Integer
Dim filename As String
Dim description As String

i = 0
count_i = json.SizeOfArray("mediaItems")
While i < count_i
    json.I = 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")
    filename = json.StringOf("mediaItems[i].filename")
    description = json.StringOf("mediaItems[i].description")
    i = i + 1
End While