Hi. I need to run a UI B4j App in a Raspberry PI. If I install openjdk11 in the RPI with Raspberry PI OS Full (with desktop), the app runs fine.
However, I am trying to run the app with Raspberry PI OS Lite (no desktop environment). bj4-bridge runs fine, but when I try to compile and run a UI...
This is a demo video of B4J Print Server which is a REST API Web Server. The server can run on Windows and Linux including on a Raspberry Pi OS.
I have also created B4J, B4A and B4i Client app to send request to the server through GET and POST. The print data can contain ESC/POS string sent...
Hi guys... Need little help...
I need to install GUI app on Raspberry Pi ver 4. I installed Bellsoft java 11 (which include javaFx modules). I want to use B4J packager11 for creating release app... Bridge working perfect, I can connect to raspberry - picture below:
But - when i run B4J (with...
We have the LineageOS KonstaKANG Android version 12 running on a Raspberry Pi and I developed a B4A app that displays a web site on the Raspberry Pi. The app works perfectly. It's kind of like a slide show that displays the web site and displays image files and cycles back...
I have a couple RPi's running remotely. Seldom is there a reboot. When there is I have to reload the program using B4J.
My question is How can I have the Raspberry Pi start with the bridge running and Load the last program that I loaded to it when it reboots.
I have been using /etc/rc.local...
We are considering using a Raspberry Pi as an SBC for an industrial application. The device must run 24/7 at a remote location.
When using embedded systems for critical applications, we usually enable a watchdog timer, so in case of a major application failure the embedded system...
I am evaluating a project that may require the usage of Raspberry Pi and a cellular modem for wireless connectivity.
I know that it is possible to control the module using AT commands etc..., but I was wondering if there is a way for the OS to handle the module instead of having the...
Hello, im having the next problem when running an UI .jar on a raspberry pi 3.
The problem appears at the end of the sub that im attaching next, when I ask for "ckvs.put".
I dont know if its a problem of the ckvs or the IDE, but i tried everything! 😫
This is the problem on the command window...
I'm making an app that revolves around Android phone and Raspberry Pi 3 communication via WiFi (by UDP packets exchange). I'm running a python script on Raspberry Pi which sends some data to the Android phone, but only when it receives a request from the phone. My question is: Is there...
I am finally starting to run some test some "under-dev" ABMaterial samples and each time I re-upload the files to the Raspberry pi, using SFTP, I see that "tempjars" owned by "root" and not by "pi"... so I get a "permission denied" alert!
So when copying, at each "permission denied" alert, I...
I have installed Android Things in a Raspberry Pi 3 board. I am trying to use the BLE2 v1.37 library of B4A v8.80 on this device.
I am getting the message "Not powered on." when I run the code below.
If Manager.State <> Manager.STATE_POWERED_ON Then
Log("Not powered on.")
I'm trying to communicate a raspberry pi 3 model B with ADS1115 through i2c communication,
but it is not working.
When I run an adafruit example in python, its works
Using and arduino Mega i can read what python example sends to ADS1115 and I tried to send the same commands...
Here an example for using the MCP9808 sensor on a raspberry pi.
This is only a code snippet, as it only read's the temperature.
Not all the registers are implemented.
Negative values aren't yet tested.
This is a console application.