b4a

  1. Flavio SOuza

    Android Question Banner Adaptive Admob

    Hello I noticed that on some devices the banner is cutting. That's bad! I wonder if you have how to implement Adaptive Banners on B4A. https://developers.google.com/admob/android/banner/adaptive I've been grateful for the attention. Hugs!
  2. Albert Kallal

    Android Question list Initialize2 - same as stuffing array in?

    I have this wee bit of code: Dim f As String = "City,FirstName,LastName" ' field list Dim v As List ' field values v.Initialize2(Array As Object("Jasper","Albert","Kallal"))...
  3. I

    Android Question Video Streaming with HTTPServer

    Hello Community, I have been researching this for a while now, but could not find any solution in B4A. I would like to stream a video found on users phone using http server. Now i think the HTTPServer lib is limited some how cuz it doesnt allow me to access the outputstream. Also this stream...
  4. Scotter

    Android Question Basics of including database in my app?

    Hi - I've been out of the loop for a bit and wondering what the latest is in terms of including a database in my application OR being able to connect from a phone that is online to - say an instance of Postgres running on my server? Where is the latest documentation on this for B4A...
  5. stingrae

    Android Question Http Job Wait For Hangs

    Hi, 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) j.Download(strThisURL) Wait For (j) JobDone(j As HttpJob) ' Hangs Here Dim MyDataList As List Dim...
  6. A

    iOS Question Decrypt a string encrypted on ios

    Hi, I'm working on conversion my b4a app to b4i and have encrypt / decrypt problem I already have a code that does encryption / decryption on Android and on VB.NET on my server. b4a Sub Encrypt(dataToEncrypt As String ) As String Dim kg As KeyGenerator Dim c As Cipher Dim B64 As...
  7. mcqueccu

    Share My Creation Employee Tax Calculator

    This is just to showcase a simple tax calculator developed using B4A. A future version may get a full Payroll capability. https://play.google.com/store/apps/details?id=com.leafecodes.grapaye
  8. G

    Android Question Error occurs only in Release mode

    If I compile the following code in Debug mode, this executes fine. If I compile it as Release, I get the following error: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Object.equals(java.lang.Object)' on a null object reference If...
  9. M

    iOS Question IsPaused Alternative

    Hi, what is the "IsPaused" of B4A alternative for B4i?
  10. Marvel

    Android Question Usage Stats Manager Library Interval type

    Hi everyone, I'm new here. I have been following B4a for a while and have done some small projects with the trial version and answers from the forum members (they are amazing!) I recently started using the UsageStats library by DonManfred and I have been finding it difficult to understand some...
  11. M

    Wish B4i for macOS

    There will be a Version of B4i for macOS? (Same question for B4A). (I know there are similar posts, but there isn’t an answer :( )
  12. Soroush68

    Android Question Problem in running final apk on mobile

    Hi every body I have recently started programing with b4a. I have a problem at first. I cannot run final android app on my mobile. I copy the apk file from project folder on my computer to my mobile. But when i try to install and run it, I get a security warning! When trying to run the app, I...
  13. Sgdva

    Android Question ESP32 Wifi Communication

    Greetings! Summary I would like to have an android interface to send commands to the ESP32 wifi module. For this purpose, I would need to make the board be connected to the Wifi desired by the user, secondly retrieve the IP assigned in the network and finally send commands by the Android...
  14. NGUYEN TUAN ANH

    I Need to Create a Wrapper from Java Library Code

    Hi, everybody I need to create a B4A library from Java Lib This is the library code: https://github.com/OneStopTransport/api-ntrip-java-client The job budget is US$ 50 and the expected delivery time is 4-7 days after the start - wait for proposals. Please help me, i am just a poor scientist...
  15. M

    Bug? Search in B4A

    Why if I click the Search Tab it appears blank?
  16. F

    Android Question [SOLVED]Very Slow Loop

    I have a for-loop where I fill with data a string variable (that I have already Created). It takes 6 to 10 secs to complete. Log($"BEFORE loop- $time{DateTime.Now}"$) Dim n As Int = crs.RowCount - 1 Dim lvHtml As String = $"<!DOCTYPE...
  17. Martin Larsen

    Android Question XUI development

    I am starting on a B4A - B4i cross platform project and I want to use XUI for this. I have a few questions, though. It is recommended in the video tutorials to move most of the code from the activity to a shared class module. But for multiple activities, should I use a new class module for...
  18. M

    Android Question OpenCV320 for B4A V1.0 by JordiCP problem

    Hi to all I would like to try the opencv library in this thread: https://www.b4x.com/android/forum/posts/636406/ with a trial version of b4a, for evaluation purpose. It seems that in the version in the first post, 2017/09/27, the class OCVOpenCVLoader has no methods (initDebug and initAsync?)...
  19. Mashiane

    Android Question Where is the WKWebView for B4A?

    Hi there Ive noted the b4i posts about this however nothing seems to popup that shows where this is found for b4a? Can someone please point me to the right direction? Thanks
  20. MarkusR

    Android Example ContentChooser Example (select image at phone)

    Here is a ContentChooser Example project to choose a image at phone for use in a activity with image view. it works with B4A 9.x and Android 8.1 https://www.b4x.com/android/help/phone.html#contentchooser https://wiki.selfhtml.org/wiki/MIME-Type/Übersicht
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