I have the following situation. I'm sending some data over usb serial and I have to wait for an answer from the other party (a hardware device) before sending data again.
I want to use Wait For with AsyncStream, but there are situations when the other party does not answer at...
I appear to have a problem when I insert a resummable sub, within a try/catch block i.e.
' This will work Ok if the is error in DoSomething() - '
a = DoSomething(...)
Log(LastException) ' Catch works and traps the error
' However if DoSomething() returns...
I had a bad time searching for a bug where the program logic hung. It turned out I wrote
Wait For Msgbox_Respond (...)
Wait For Msgbox_Result (...)
Same problem when I used
Wait For JobComplete ...
Wait For JobDone ...
The problem is that neither the IDE nor the...
Hi, I have a question.
I created a small project (see the attachment) where I tried to learn how to work with a subject.
I created a class where I put all the logic -the main procedure in this class calls a private sub that sends request to the server
I can't seem to figure this out. When I call the following code, it hangs on the Wait For:
Dim strThisURL As String = "URL of my API"
Dim j As HttpJob
j.Initialize("" , Me)
Wait For (j) JobDone(j As HttpJob) ' Hangs Here
Dim MyDataList As List
i creat a pdf file in my b4j app using printhtml and jshell and i save that in my app folder then i upload to myhost
after runing jshell complet event i use sleep(4000) then file is ready for upload....
now i want to use "wait for" instead of sleep to checking file exist without using sleep...
I have read many times the request for a "Wait For" with the addition of a timeout.
This class is an attempt to implement that functionality.
It is a B4X class, in the sense that it can be used with B4A, B4J and B4i; after all it uses only one B4XView which is completely optional and almost...
I understand how to use Wait For in a B4J Server Handler. However I have no idea how to pause a server handler class waiting for some data in a SQLite database to change.
Anyone so kind to help?
I have a lot of sub routines that execute some poststrings actions with an ASP API.
So i have put the whole in a separate Code Module , like for example sending email directly via the API (its more simpler and lighter for the app) :
Sub SendAnEmail(QSTT As String, QSMESS As String...
I am trying to update an app that was based on the old Bluetooth example so may not take advantage of all the latest developments in program structure. I do not write programs for B4A very often as I mostly have to use Embedded C or design electronics. My apps are used to support our embedded...
I would like to download data from internet periodically by background thread.
With reference to:
I changed the code as follow but get freezed :(
'Dim Count As Int = 0
I would like to execute some code and wait for it to complete, but I can't use Wait For sub because my application is not monolithic, so I'm trying the Timer, that is when the application ends, I start a timer for some time hoping that this may be intercepted.
Unfortunately this does not work...
Hi all, I have been hacking my way through building an app with offline maps, a database of markers and alerts as a marker comes near. It is all working fine as I post an alert to the screen with all the relevant information using ToastMessageShow.
What I want to add as an option is a verbal...
The principle behind this app is that "time is money". I have worked most of my life as a research scientist and consultant, and I can say that I have wasted a huge amount of time ($) because of poor software and data management tools.
It is not so much that the tools don't work, they do...
I developed in my app the comunication with a fiscal printer. I do it opening a socket and writing the comands in the stream.
I load the comands in a strings array and then I write them to the fiscal printer in a loop.
I have to wait the response from the fiscal printer (with the...
Ciao a tutti,
Ho sviluppato nella mia applicazione la comunicazione con un misuratore fiscale, apro un socket su questo e scrivo i vari comandi nel flusso. Ad ogni comando inviato devo però intercettare la risposta da questo per verificarne l'esito, cosa che ho gestito con i wait for.
This Wish springs from this topic:
Not possible to use Wait For with OkHttpResponse.StreamFinish?
It’s absolutely not the end of the world if I can’t always use Resumable Subs.
I’m using a slightly modified OkHttpUtils. (It’s modified to be more specialized when communicating with the API on my server.)
In it there's an event _ResponseSuccess that contains this:
' Response is an OkHttpResponse
I have a mqtt class for broker connection, send messages and receive messages.
The logic that I use is:
1. Client publish message to topic: "mytopic"
2. In the other side an Script is subscribed to the topic: "mytopic"
3. As soon as the message is received, the script publishes in: "response"...