B4X Requires Chilkat v11.0.0+
B4X
Facebook User Feed (Read Posts)
See more Facebook Examples
Demonstrates how to read the feed of posts (including status updates) and links published by this person, or by others on this person's profile. This introductory example gets the first few posts.Chilkat B4X Downloads
Dim success As Boolean = False
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
' This example assumes a previously obtained an access token
Dim oauth2 As ChilkatOAuth2
oauth2.Initialize("oauth2")
oauth2.AccessToken = "FACEBOOK-ACCESS-TOKEN"
Dim rest As ChilkatRest
rest.Initialize("rest")
' Connect to Facebook and send the following GET request:
success = rest.Connect("graph.facebook.com", 443, True, True)
If success = False Then
Log(rest.LastErrorText)
Return
End If
' Provide the authentication credentials (i.e. the access key)
rest.SetAuthOAuth2(oauth2)
' We could limit the number of posts. The default limit is 25.
rest.AddQueryParam("limit", "5")
Dim responseJson As String = rest.FullRequestNoBody("GET", "/v2.7/me/feed")
If rest.LastMethodSuccess = False Then
Log(rest.LastErrorText)
Return
End If
Dim json As ChilkatJsonObject
json.Initialize
json.EmitCompact = False
json.Load(responseJson)
' Show the JSON in human-readable format.
Log(json.Emit)
' A sample JSON response is shown below.
' This is the code to parse the JSON response.
Dim dtime As ChilkatDateTime
dtime.Initialize
Dim bLocalTime As Boolean = True
Dim dt As ChilkatDtObj
dt.Initialize
Dim i As Int = 0
Dim numItems As Int = json.SizeOfArray("data")
Do While i < numItems
json.I = i
Log("--- " & i)
Dim message As String = json.StringOf("data[i].message")
If json.LastMethodSuccess = True Then
Log("message: " & message)
End If
Dim story As String = json.StringOf("data[i].story")
If json.LastMethodSuccess = True Then
Log("story: " & story)
End If
Log("id: " & json.StringOf("data[i].id"))
' We can load the created_time into a CkDateTime...
dtime.SetFromTimestamp(json.StringOf("data[i].created_time"))
dtime.ToDtObj(bLocalTime, dt)
Log(dt.Month & "/" & dt.Day & "/" & dt.Year & " " & dt.Hour & ":" & dt.Minute)
i = i + 1
Loop
' Finally, there are two paging URLs at the very bottom. Those can be accessed as shown:
Dim prevUrl As String = json.StringOf("paging.previous")
Log("URL for previous page: " & prevUrl)
Dim nextUrl As String = json.StringOf("paging.next")
Log("URL for next page: " & nextUrl)
' -------------------------------------------------------------------
' This is a sample JSON response..
' {
' "data": [
' {
' "message": "This is the first post.",
' "created_time": "2016-09-28T14:36:45+0000",
' "id": "12345678901234567_12345678900000001"
' },
' {
' "message": "This is the 2nd post.",
' "created_time": "2016-09-27T03:26:12+0000",
' "id": "12345678901234567_12345678900000002"
' },
' {
' "story": "John Doe shared Mary's post.",
' "created_time": "2016-09-26T15:45:10+0000",
' "id": "12345678901234567_12345678900000003"
' },
' {
' "message": "https:\/\/www.somewebsite.org\/?ID=8158",
' "created_time": "2016-09-26T02:29:20+0000",
' "id": "12345678901234567_12345678900000004"
' },
' {
' "message": "http:\/\/blog.somebody.com\/post\/123",
' "created_time": "2016-09-26T02:02:56+0000",
' "id": "12345678901234567_12345678900000005"
' },
' {
' "story": "John Doe shared Bill's photo.",
' "created_time": "2016-09-25T15:32:09+0000",
' "id": "12345678901234567_12345678900000006"
' },
' {
' "message": "Check this out...",
' "story": "John Doe shared NPR Music's video.",
' "created_time": "2016-09-25T14:54:52+0000",
' "id": "12345678901234567_12345678900000007"
' },
' {
' "message": "Yet another post...",
' "created_time": "2016-09-24T17:21:30+0000",
' "id": "12345678901234567_12345678900000008"
' },
' {
' "message": "http:\/\/www.somewhere.com\/blahblahblah\/",
' "created_time": "2016-09-23T22:20:29+0000",
' "id": "12345678901234567_12345678900000009"
' },
' {
' "message": "At Lincoln marsh ...",
' "story": "John Doe added 2 new photos.",
' "created_time": "2016-09-19T02:00:43+0000",
' "id": "12345678901234567_12345678900000010"
' },
' {
' "message": "I would've went for a swim had it not been for the sign",
' "created_time": "2016-09-19T01:59:47+0000",
' "id": "12345678901234567_12345678900000011"
' },
' {
' "story": "John Doe shared Steve's video.",
' "created_time": "2016-09-17T22:00:02+0000",
' "id": "12345678901234567_12345678900000012"
' },
' {
' "message": "Another sample message...",
' "story": "John Doe shared XYZ's post.",
' "created_time": "2016-09-17T14:13:16+0000",
' "id": "12345678901234567_12345678900000013"
' },
' {
' "message": "Hello World!",
' "created_time": "2016-09-16T23:17:13+0000",
' "id": "12345678901234567_12345678900000014"
' },
' {
' "message": "https:\/\/www.youtube.com\/watch?v=xyz",
' "created_time": "2016-09-15T04:13:02+0000",
' "id": "12345678901234567_12345678900000015"
' },
' {
' "story": "John Doe shared Emily's photo.",
' "created_time": "2016-09-14T16:37:10+0000",
' "id": "12345678901234567_12345678900000016"
' },
' {
' "story": "John Doe shared Vincent's photo.",
' "created_time": "2016-09-14T14:03:42+0000",
' "id": "12345678901234567_12345678900000017"
' },
' {
' "message": "https:\/\/www.chilkatsoft.com\/",
' "created_time": "2016-09-14T02:29:37+0000",
' "id": "12345678901234567_12345678900000018"
' },
' {
' "message": "So cool! Marcus jamming with this 16 year old kid...",
' "created_time": "2016-09-13T17:04:53+0000",
' "id": "12345678901234567_12345678900000019"
' },
' {
' "message": "Wow!",
' "story": "John Doe shared Somebody's post.",
' "created_time": "2016-09-13T14:11:18+0000",
' "id": "12345678901234567_12345678900000020"
' }
' ],
' "paging": {
' "previous": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?since=1475073405&limit=25&__paging_token=enc_abcT9x9GFabcTxvnyXZC0xnHZCrH2h4yjNZCZAUabcZAI9TyZBibwat6wCYiSFTxR4nSDZAkzaN8vIaEPmqrabc1QTIbGac&__previous=1",
' "next": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?limit=25&until=1473426350&__paging_token=enc_AdDFWabcYtV5ob6lFO8LZAMhm7LKCxntawqqabcZALyC8WZB8Th2lON7HGuJRabzW6Ivfm93LORIw9NNBuHpob7abcjh"
' }
' }
'