Sub SaveAs (Source As InputStream, MimeType As String, Title As String) As ResumableSub
    Dim intent As Intent
    intent.Initialize("android.intent.action.CREATE_DOCUMENT", "")
    intent.AddCategory("android.intent.category.OPENABLE")
    intent.PutExtra("android.intent.extra.TITLE", Title)
    intent.SetType(MimeType)
    StartActivityForResult(intent)
    Wait For ion_Event (MethodName As String, Args() As Object)
    If -1 = Args(0) Then 'resultCode = RESULT_OK
        Dim result As Intent = Args(1)
        Dim jo As JavaObject = result
        Dim ctxt As JavaObject
        Dim out As OutputStream = ctxt.InitializeContext.RunMethodJO("getContentResolver", Null).RunMethod("openOutputStream", Array(jo.RunMethod("getData", Null)))
        File.Copy2(Source, out)
        out.Close
        Return True
    End If
    Return False
End Sub

Sub StartActivityForResult(i As Intent)
    Dim jo As JavaObject = GetBA
    ion = jo.CreateEvent("anywheresoftware.b4a.IOnActivityResult", "ion", Null)
    jo.RunMethod("startActivityForResult", Array(ion, i))
End Sub

Sub GetBA As Object
    Dim jo As JavaObject = Me
    Return jo.RunMethod("getBA", Null)
End Sub


HOW TO USE (B4XPages)

Private Sub Button1_Click
    File.WriteString(File.DirInternal, "test.txt", "test") 'just for the example.
    Wait For (SaveAs(File.OpenInput(File.DirInternal, "test.txt"), "application/octet-stream", "test.txt")) Complete (Success As Boolean)
    Log("File saved successfully? " & Success)
End Sub

HOW TO USE (SIMPLE)

Sub GetBA As Object
   Dim jo As JavaObject
   Dim cls As String = Me
   cls = cls.SubString("class ".Length)
   jo.InitializeStatic(cls)
   Return jo.GetField("processBA")
End Sub

                                

                                    ' READ DOCUMENT

Public Sub getDocument(Coleccion As String) As ResumableSub
   
    Dim link As String = $"https://firestore.googleapis.com/v1/projects/{projectId}/databases/(default)/documents/${Coleccion}"$

       
    Dim okHttp As HttpJob
    okHttp.Initialize("HTTP", Me)
   
    okHttp.Download(link & "info_chats")
    Wait For (okHttp) JobDone(j As HttpJob)
       
    If j.Success Then
       
        Log(j.GetString)
        Dim jsonString As JSONParser
        jsonString.Initialize(j.GetString)
        Dim map As Map = jsonString.NextObject

        Return map
       
    Else
        Log(j.ErrorMessage)
    End If

End Sub

Example:
Wait For (getDocument("server/names")) Complete(m As Map)

' VALUES:


Public Sub patchValues(Token As String, collection As String, Campos As Map) As ResumableSub
   
    Dim url As String = $"https://firestore.googleapis.com/v1/projects/{projectId}/databases/(default)/documents${collection}"$'?documentId=${Documento}"$
    Dim Json As JSONGenerator
    Json.Initialize(CreateMap("fields":Campos))
   
    Dim j As HttpJob : j.Initialize("",Me)
    Log(Json.ToString)
   
    j.PatchString(url,Json.ToString)
    j.GetRequest.SetHeader("Authorization","Bearer " & Token)
    j.GetRequest.SetContentType("application/json")
   
    Wait For (j) JobDone(j As HttpJob)
    Return GenerateResult(j)

End Sub

' Example:


Wait For (patchValues(UserTokenId, "info_chats/id_group_chat1", CreateMap("name" : CreateMap("stringValue": "Paolo")))) Complete(m As Map)


' Create document:



Public Sub createDocument(Token As String, collection As String, Documento As String, Campos As Map) As ResumableSub
   
    Dim url As String = $"https://firestore.googleapis.com/v1/projects/{projectId}/databases/(default)/documents/${collection}?documentId=${Documento}"$
    Dim json As JSONGenerator
    json.Initialize(CreateMap("fields":Campos))
   
    Dim j As HttpJob : j.Initialize("",Me)
    Log(json.ToString)
    j.PostString(url,json.ToString)
    j.GetRequest.SetHeader("Authorization","Bearer " & Token)
    j.GetRequest.SetContentType("application/json")
   
    Wait For (j) JobDone(j As HttpJob)
    Return GenerateResult(j)

End Sub

' Example:
Wait For (Firestore.createDocument(UserTokenId, "info_chats","Profile", CreateMap("name" : CreateMap("stringValue": "Paolo")))) Complete(m As Map)

' Deletedocument:


Public Sub deleteDocument(Token As String, collection As String) As ResumableSub
   
    Dim url As String = $"https://firestore.googleapis.com/v1/projects/{projectid}/databases/(default)/documents/${collection}"$'?documentId=${Documento}"$

    Dim j As HttpJob : j.Initialize("",Me)
    j.Delete(url)
    j.GetRequest.SetHeader("Authorization","Bearer " & Token)
   
    Wait For (j) JobDone(j As HttpJob)
    Return GenerateResult(j)

End Sub

'EXAMPLE:
Wait For (Firestore.deleteDocument(UserTokenId, "info_chats/Profile")) Complete(m As Map)

' SUJESTED USE OF CODE WITH MAP
Private Sub GenerateResult(j As HttpJob) As Map
    Dim response As String = ""
    If j.Success Then
        response = j.GetString
        Log(j.GetString)
    Else
        response = j.ErrorMessage
    End If
    
    Dim parser As JSONParser
    parser.Initialize(response)
    Dim tmp_result As Map = parser.NextObject
    tmp_result.Put("success",j.Success)
    
    j.Release
    Return tmp_result
End Sub








                                

                                    

Sub AnimateDialog (dlg As B4XDialog, FromEdge As String)
    Dim base As B4XView = dlg.Base
    Dim top As Int = base.Top
    Dim left As Int = base.Left
    Select FromEdge.ToLowerCase
        Case "bottom"
            base.Top = base.Parent.Height
        Case "top"
            base.Top = -base.Height
        Case "left"
            base.Left = -base.Width
        Case "right"
            base.Left = base.Parent.Width
    End Select
    base.SetLayoutAnimated(300, left, top, base.Width, base.Height)
End Sub


' HOW TO USE:
Sub Globals
    Private dialog As B4XDialog
    Private xui As XUI
End Sub

Sub Activity_Create(FirstTime As Boolean)
    dialog.Initialize(Activity)
    dialog.Title = "test"
End Sub

Sub Activity_Click
    Dim rs As Object = dialog.Show("aaa", "Ok", "Not Ok", "")
    AnimateDialog(dialog, "right")
    Wait For (rs) Complete (Result As Int)
    If Result = xui.DialogResponse_Positive Then
        '...
    End If
End Sub

 
                                

                                    Dim j As HttpJob
j.Initialize("", Me)
j.Download("https://www.google.com")
Wait For (j) JobDone(j As HttpJob)
If j.Success Then
   Log(j.GetString)
End If
j.Release
                                

                                    Sub DownloadQuote
   Dim j As HttpJob
   j.Initialize("", Me) 'name is empty as it is no longer needed
   j.Download("http://quotesondesign.com/wp-json/posts?filter[orderby]=rand")
   Wait For (j) JobDone(j As HttpJob)
   If j.Success Then
     'The result is a json string. We parse it and log the fields.
     Dim jp As JSONParser
     jp.Initialize(j.GetString)
     Dim quotes As List = jp.NextArray
     For Each quot As Map In quotes
       Log("Title: " & quot.Get("title"))
       Log("Content: " & quot.Get("content"))
     Next
   End If
   j.Release
End Sub
                                

                                    

Sub Activity_Create(FirstTime As Boolean)
   DownloadMany(Array("http://www.google.com", "http://duckduckgo.com", "http://bing.com"))
End Sub

Sub DownloadMany (links As List)
   For Each link As String In links
     Dim j As HttpJob
     j.Initialize("", Me) 'name is empty as it is no longer needed
     j.Download(link)
     Wait For (j) JobDone(j As HttpJob)
     If j.Success Then
       Log("Current link: " & link)
       Log(j.GetString)
     End If
     j.Release
   Next
End Sub


                                

                                    

Sub DownloadImage(Link As String, iv As ImageView)
   Dim j As HttpJob
   j.Initialize("", Me)
   j.Download(Link)
   Wait For (j) JobDone(j As HttpJob)
   If j.Success Then
     iv.Bitmap = j.GetBitmap
   End If
   j.Release
End Sub


                                

                                    Sub DownloadAndSaveFile (Link As String)
   Dim j As HttpJob
   j.Initialize("", Me)
   j.Download(Link)
   Wait For (j) JobDone(j As HttpJob)
   If j.Success Then
       Dim out As OutputStream = File.OpenOutput(File.DirInternal, "filename.dat", False)
     File.Copy2(j.GetInputStream, out)
     out.Close ------ very important
   End If
   j.Release
End Sub
                                

                                    server.Initialize(Main, "FTPServer")
server.SetPorts(51041, 51042, 51142)
server.AddUser("Test", "test") 'user name and password.
server.BaseDir = File.DirRootExternal
server.Start
                                

                                    Private Sub swbtnDelete_Click
	Dim confirmDialog As B4XDialog
	confirmDialog.Initialize(Root)
	
	Wait For (confirmDialog.Show("Sure?", "YES", "NO", "CANCEL")) Complete (Result As Int)
	If Result = xui.DialogResponse_Positive Then
		Log(Result)
		File.Delete(xui.DefaultFolder & "privateCABINET" ,listofpics.Get(currentPreviewIndexfile))
		pnlPreview.Visible=False
	End If
	
End Sub