java

Hello, when I call my server with my library, it works only in Debug mode but crashes in Release mode. And i added permission in manifest: AddPermission(android.permission.INTERNET) The problem is on all my phones, they are with the following android version: 8.0, 9.0 and 11.0. It’s a huawei...

I am posting this in Chit Chat on purpose just to make it a nice talking, but to help me clarify some aspects. We know that B4X can use: Oracle Java JDK 8 OpenJDK 11 OpenJDK 14 (even if this one does not appear to be pushed too much, I think because it's not an LTS version as 11) By many time...

Hi everyone, I'm actually attempting to extend BLE2Peripheral lib of B4A. I Started by forking the github repo here: https://github.com/AnywhereSoftware/B4A and imported the project in eclipse Neon. I downloaded the Android SDK from his update site but it looks like that's not enough to satisfy...

So, I have built a jar file named PrintPageReportWrapper.jar that I can execute from a command line with java -jar PrintPageReportWrapper.jar. Unfortunately, I have never had to go beyond this point in my java development other than deploying the jar file to desktop computers. I am now trying...

I wrote an enhancement to my reporting using DynamicJasper. I built a limited java wrapper specific to my purposes and deployed it to B4J as a library using the B4J_LibraryCompiler.exe. I have done this before with Jasper Reports which has been successfully deployed to Windows, Mac, and Linux...

Hello there, I am connecting to web service with SOAP using KSOAP2 library. I'm currently having a problem that I can't get out of for the user login section. When I send data via **** POST, it returns "successful" as 'result'. However, when I test the web service with SOAP, the email or...

Hi so this is my first attempt at making a library for B4a, and a big attempt it is. I have a project that requires the Genius Scan SDK. So after a few days of research I've gone through most of the tutorials on the forum about how to make your own B4a library, and they are all great, but I...

The media provider provides an indexed collection of common media types, such as Audio, Video, and Images, from any attached storage devices. Root permission is not required.

Hi guys, Thanks for being a part of b4x community, Before, I wanna share my pc details: - RAM: 4gb - OS: windows 10 x86 - Processor: x64 based - Type: Laptop Please see images: The strange thing for me is that its -Xmx is 2048m. Whereas, my environment variable named _JAVA_OPTIONS is...

Hi, Oracle has a tool, called RightNow. It provides resources for running queries and generating reports for remote databases. I'm looking at some Java code, as well as the Getting Started section in the...

Dear @Erel, I'm experiencing issues using my app with jOkHttpUtils2 outside B4J if I build the standalone package. I have already read other posts in this forum but I'm not sure how to proceed. I'm using the last version of B4J with openJDK 11 as written in the installation guide. I'm using...

Greetings, Google Play is reporting that my radio streaming app is crashing with the same error across multiple devices including the same phone brand that I'm using. What has me confused is it doesn't crash on my phone and I had the app running during the day and also over night. Seems like it...

My app is working just fine in B4A 10, but in 10.2, I get the java error below. I am not versed enough in the Java errors to find out what may be going on. Is there any way to know where I should look in my B4A code ? java.lang.NoClassDefFoundError: Failed resolution of...

Hello, I want to use an animation between activities, using makeClipRevealAnimation. Unfortunately, Java and Android libs are real bullshit and totally beyond understanding... All I succeed to do is Dim jo As JavaObject jo.InitializeContext Dim ao As JavaObject =...

Hola a todos. Como mi computador estaba molestado lo borré, formatee e instale todo de nuevo. Para instalar b4J descargue jdk-11.0.1 (https://b4xfiles-4c17.kxcdn.com/jdk-11.0.1.zip) y lo descomprimí en C:\jdk-11.0.1\ Luego ejecute el instalador de B4J y configure las rutas. La ruta de...

Hi A few days ago I asked Google Play to reset the b4a sign key I made the sign key with this guide: keytool -genkeypair -alias b4a-keyalg RSA -keysize 2048 -validity 9125 -keystore b4a.keystore keytool -export -rfc -alias b4a-file upload_certificate.pem -keystore b4a.keystore If I compile...

Hi everyone, im integrating Huawei services like this: as there is no library i tried with Inline Java code: Integrated the JARS: 'Huawei #AdditionalJar: huawei/hianalytics-4.0.1.300.jar #AdditionalJar: huawei/hmssdk-opendevice-4.0.1.300.jar #AdditionalJar...

I'm considering re-installing my development machine from scratch, and took a look at the installation instructions for B4A. I saw that I can choose from two different Java versions: Oracle Java 8 or OpenJDK 11. I just wondered if there are any benefits to pick one over the other?

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...

I need an Android Studio Service written (actually just converted) to do a very simple task. I have an Android Demo App (written in Java in Android Studio by the supplier) to demonstrate that their bitmap converter library we bought actually works. The library is there and it does work in App...