b4a

I am following these steps to create and upload an Android TV App - https://www.b4x.com/android/forum/threads/android-tv-with-b4a.138432/ But when I try to build the app or even debug it for some reason B4A deletes de banner picture and I get this error does anybody know why B4A deletes this...

B4X newbie here. I've worked my way thru the first part of B4X Getting Started V2.4, and have the MyFirstProgram working on my Windows 11 computer. Next step is to try the same program in B4A. I am into step 3.3.3 where it will not run as per instructed on p.45. That's when I noticed there are...

Wait For (req.ExecuteQuery(cmd, 0, Null)) JobDone(j As HttpJob) If j.Success Then req.HandleJobAsync(j, "req") Wait For (req) req_Result(res As DBResult) req.PrintTable(res) 'PIE CHART PieChart.Initialize("PC") PieChart.Title = "Pie Chart"...

[CODE lang="b4x" title="java.lang.NumberFormatException: For input string: "null"" highlight="java.lang.NumberFormatException: For input string: "null""]Call B4XPages.GetManager.LogEvents = True to enable logging B4XPages events. Tag: null, Columns: 3, Rows: 1 BUMEN FEIYONGGUIJI jine...

B4XTable1.AddColumn(Main.b & "月份计划", B4XTable1.COLUMN_TYPE_TEXT) { "title": "12月份计划", "type": "Text", "key": "12月份计划", "required": true },

I added this function to my project: Sub SendMultipartTextMessage(Number As String, Message As String, SubscriptionId As Int) Dim r As Reflector r.Target = r.RunStaticMethod("android.telephony.SmsManager", "getSmsManagerForSubscriptionId", Array As Object(SubscriptionId), Array As...

Good afternoon, I need to share the same database (SQLLIte) on the same device by two different applications. I tried using File.DirRootExternal but it doesn't work... can anyone help me? Thanks in advance

in this code i draw a simple line on the map, but i want draw a Path, how can i do? ' Aggiunta di un marker sulla mappa Dim lat As Double = DR_VISITE.GetString("Latitudine") Dim lng As Double = DR_VISITE.GetString("Longitudine") Dim RAGSOCCLI As String =...

I have this code and all work perfectly, only the polyline not showing....how can i do? ' Aggiunta di un marker sulla mappa Dim lat As Double = DR_VISITE.GetString("Latitudine") Dim lng As Double = DR_VISITE.GetString("Longitudine") Dim RAGSOCCLI As String =...

Hello team, i have i little strange issue, the thing is when im trying to compile my app, gets me this error when this XUIViews Library is active Dex merge Error Error in C:\Android\tools\..\extras\b4a_local\unpacked-modbustcp-63803597595704\dex_v1\modbustcp.zip:classes.dex: Type...

Hello, I have just managed to get my app to access my Dropbox folders, download a file, make changes and then upload that file. All working well. Came back a day later and found the token had expired. After some research I realize the short term token is for testing and only last 4 hours...

See the comments in the code. The compiler warning disappears; I found this out with a B4XPages project that was first developed in B4J (with an Arial font, assigned in a conditional "#If B4J" block). B4A didn't complain about the font variable (which was declared unconditionally) not having...

All Listed CustomView, Modules, Classes and Services are part of our B4A Development at prestent and in future. All not Listed CustomView, Moduls, Classes and Services are outdated and not longer supported! B4A CustomViews, Modules, Classes...

Version: 1.1/2023 The Module contains functions to convert formats or units to be needed in the daily life of software development as followes: Convert Date or Time Values into B4x-Ticks or ISO8601 Format. Convert Boolean True/False into Integer 1/0 and reverse. Convert Decimal Point from...

Can I know I have installed all items from sdk manager b4a

Hello everyone. This is a newly published Android app developed using B4A. It is a land measurement mobile app utilizing Google Maps and FusedLocationProvider. The app supports two types of measurement: Land Measure Path Measure (Distance) Users can employ three different measurement methods...

Can I know how to connect my b4a bridge with In nox player and how to run I search Google everything still not able to run any video or steps explanations can I get links please help me out

Hi everyone I am trying to make an app that will start activity even if the screen is locked with password when a specific text message is received. I'm using service intent filter for sms receiveing and it work fine when phone is on Tank's for any help

Hello can I have coding and user interface for this button please Add button and update button and delete buttons and how to do it this button in database sqllite please Thank you

Hi, I did see a lot written about accessing files in various places, but they seem at least a year old and I am hoping there is a good solution. There is another system transferring files via ftp to the phone. My B4A app needs to pick those files up and transfer the relevant ones to another...