b4j

Posted in the B4J forum: https://www.b4x.com/android/forum/threads/b4j-b4a-expandable-clv-with-sub-items-similar-to-a-tree.155113/

I needed this and didn't find an existing solution: a CLV whose items - can be expanded/collapsed (available in @Erel's CLVExpandable) - and can have sub-items that can be shown or hidden In the screenshot below, you'll see the arrows that can be used to expand/collapse, and the +/- signs to...

Hi, 'b4jers' B4j can easily import and encompass the javafx controls and deals with them as native controls. As a demo of this power of b4j I present this outcome of a small app that took a considerable deal of research, trials and errors, and code organization.. It displays three buttons...

I am working on a project with Google Maps V2. The code is as Erel's example here Google Maps V2 I am using the recommended OpenJDK 19.0.2 + OpenJFX 17.0.6 and have included the #PackagerProperty code. Is this a problem?

Hi everybody, May I present to you this utility which was entirely made with b4j. It is a b4xlib library maker. It has a very simple job : archiving the required resource files into the b4xlib file which is, as stated by the creator, a zip file. It is a standalone package made with JPackager...

Is it possible to add more than one Google Maps to different B4XPages? I have added 2 Google Maps into 2 different B4XPages, and the last B4XPage which was initialized is working fine, but the first initialized B4XPage's Google Maps is not loading. It's showing blank. If I remove the 2nd...

Hi B4X community, I have the following as a part of a Java code in a class: #if Java { // //.... String msg ="blabla"; ba.raiseEvent(null,"get_msg",msg); //..... // } #end if Is the ba.raiseEvent written correctly? How would I expose 'msg' variable to the...

I'm using the jGoogleMaps library in my B4J project, and I'm receiving this error message when loading the Google Map. Additionally, the map is displaying the message 'For development purposes only.' Is this situation normal, or have I done something wrong?"

Hi, File.Delete(FilePath,FileName) deletes a file directly from hard-disk, similar as holding Shift and then delete. I searched but can't find nothing on how to delete to Windows Recycle bin. (For sure I'm not the only one asking this right?) So I asked GPTchat and it came up with 2 scripts...

This is my first B4J app developed using B4J, SQLite, PHP & MySQL. Hope you like it, Demo Video If anyone wishes to try it, just PM

Hi, Can't figure out why this works: Dim RS3 As ResultSet = Main.SQL2.ExecQuery("SELECT Fullpath, Filename, Size, Date, Time FROM DblFiles WHERE Fullpath = 'C:\temp\{C}\'") But this does not, while the variable beholds the same string: Dim RS3 As ResultSet = Main.SQL2.ExecQuery("SELECT...

Hi, I read several posts and studied several examples but I can't connect my ESP8266 D1 mini to the broker. Sub Process_Globals Private Broker As MqttBroker Private Client As MqttClient Private ESPTopic As String = "ESP8266_1" Private Name As String = "SKIKK_1" End Sub Sub...

Hello I'm trying to get the calling view upon selection of a context menu entry Context menu(from the editor): [ { Text:"Detailed Info", EventName : "ShowDetailedInfo" } ] Called sub: Private Sub ShowDetailedInfo_Action Dim mi As MenuItem = Sender End Sub I know...

Hello, The below code is checking files in a selected folder and uses the Java code I found here in the forum. Why do I see the JavaObject contents as Items in the Log but not in the Listview? Perhaps I'm doing something wrong, could someone point me how to fix this? Sub GetTheFolderContents...

Hi, It's posible to hide window console in B4J console application? I need to do a Background Process App but I don't want show the black console when start the process when Windows starts. Anyone can help me please? Thank you

I am working on an app that needs to be able to manipulate JSON strings. They are stored in a compact format then prettified for display and editing. The main problem I have found is that if the json is invalid, it can't be prettified with the existing JSON lib. I found this project on github...

When running outside the IDE, all is well. However, when running the attached (based on the default project when creating a new UI one in B4J) from the IDE, it looks like a Greek font is being used for all views except the form title. Changing e.g. a button's font to Arial instead of the default...

Hallo miteinander, hab hier ein Problem mit jnet/ftp. Ich nutzte B4J 9.8 internal Version:1.81. Ich habe hier mal ein vereinfachtes Testprogramm meines Projekts private Sub Test ftp.Initialize("ftp","10.26.10.115",21,"User","pass") ftp.PassiveMode=True ftp.TimeoutMs= 60000 Log...

A wrap of Apache Velocity Engine library for B4A and B4J What is Velocity? Velocity is a Java-based template engine. It permits anyone to use a simple yet powerful template language to reference objects defined in Java code. Source: https://velocity.apache.org/ Download additional libraries...

Hi, I'm trying to send a gmail through a B4J app but it's not working. I've updated my cacerts in Java and tested it with keytool and that's OK. My code is: Private Sub B4XPage_Created (Root1 As B4XView) Root = Root1 Root.LoadLayout("MainPage") smtp.Initialize("smtp.gmail.com", 465...