B4X

List Files in Google Drive

See more Google Drive Examples

Demonstrates how to list files in Google Drive.

See Google Drive Files list for more optional HTTP parameters.

B4X

Dim success As Boolean = False

success = True

'  It requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  This example uses a previously obtained access token having permission for the 
'  Google Drive scope.

Dim gAuth As ChilkatAuthGoogle
gAuth.Initialize("gAuth")
gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

Dim rest As ChilkatRest
rest.Initialize("rest")

'  Connect using TLS.
Dim bAutoReconnect As Boolean = True
success = rest.Connect("www.googleapis.com", 443, True, bAutoReconnect)

'  Provide the authentication credentials (i.e. the access token)
rest.SetAuthGoogle(gAuth)

'  Get 4 results per page.  (The default page size is 100, with a max of 1000.
rest.AddQueryParam("pageSize", "4")

'  This uses the Google Drive V3 API... (not V2)
Dim jsonResponse As String = rest.FullRequestNoBody("GET", "/drive/v3/files")
If rest.LastMethodSuccess <> True Then
    Log(rest.LastErrorText)
    Return
End If


'  A successful response will have a status code equal to 200.
If rest.ResponseStatusCode <> 200 Then
    Log("request header = " & rest.LastRequestHeader)
    Log("response status code = " & rest.ResponseStatusCode)
    Log("response status text = " & rest.ResponseStatusText)
    Log("response header: " & rest.ResponseHeader)
    Log("response JSON: " & jsonResponse)
    Return
End If


'  A successful response looks like this:
'  {
'   "kind": "drive#fileList",
'   "files": [
'     {
'       "kind": "drive#file",
'       "id": "0B53Q6OSTWYolenpjTEU4ekJlQUU",
'       "name": "test",
'       "mimeType": "application/vnd.google-apps.folder"
'     },
'     {
'       "kind": "drive#file",
'       "id": "0B53Q6OSTWYolRm4ycjZtdXhRaEE",
'       "name": "starfish4.jpg",
'       "mimeType": "image/jpeg"
'     },
'     {
'       "kind": "drive#file",
'       "id": "0B53Q6OSTWYolMWt2VzN0Qlo1UjA",
'       "name": "hamlet2.xml",
'       "mimeType": "text/xml"
'     },
'  ...
'     {
'       "kind": "drive#file",
'       "id": "0B53Q6OSTWYolc3RhcnRlcl9maWxlX2Rhc2hlclYw",
'       "name": "Getting started",
'       "mimeType": "application/pdf"
'     }
'   ]
'  }

'  Iterate over each file in the response and show the name, id, and mimeType.
Dim json As ChilkatJsonObject
json.Initialize
json.Load(jsonResponse)

'  Show the full JSON response.
json.EmitCompact = False
Log(json.Emit)

Dim numFiles As Int = json.SizeOfArray("files")
Dim i As Int = 0
Do While i < numFiles
    json.I = i
    Log("name: " & json.StringOf("files[i].name"))
    Log("id: " & json.StringOf("files[i].id"))
    Log("mimeType: " & json.StringOf("files[i].mimeType"))
    Log("-")
    i = i + 1
Loop