Questions tagged [gui]

The Graphical User Interface, or GUI, allows the user to interact with images rather than text.

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119 views

Run Java Swing GUI on boot

I have a Java Swing GUI that needs to be run on boot. Tried adding a shell script (which starts the program) in config/lxsession/LXDE-pi/autostart : @sh script.sh script.sh: export DISPLAY=:0.0 ...
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1answer
662 views

Raspian gui unable to log in

I'm new to Raspbian. I started the GUI for the first time (following a fresh install) using the instructions found here: How to set my Raspberry Pi to boot into the GUI? and the command: sudo apt-get ...
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1answer
664 views

Touchscreen GUI with control loop

I'd like to create a fullscreen-GUI on my Pi's 7"-touchscreen and I think this would be pretty easy to accomplish if I just wanna have some GUI that let's me click some buttons to control some GPIO-...
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1answer
1k views

Help with choosing a GUI library for RPI developpement

I am currently coding an app for Raspberry Pi, the app is very GUI dependent. During my research i saw online that tktinker is good for small/simple apps. I got really excited for PyQt but found out ...
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1answer
886 views

qtdesign-UI using PyQt5 is not showing images on raspberry

My ui created in qtdesign is not showing the images on raspberry pi 3B+ with LCD-screen. I added them to the ui via the resource and in qtDesign5 they do show up. I have tried to add the image as ...
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2answers
479 views

How to save session in Raspberry Pi?

I am currently running Raspbian on Raspberry PI 3 and the SD memory card I've been using as hardrive on my pi is somehow got damaged probably from using it for a very long time. Whenever I boot or ...
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1answer
125 views

How to set time display, and add $(hostname)

I know that in order to modify the time display this is the menu selection: and here is my current favorite: BUT, when I try to add $(hostname) just like it would work in echo $(hostname), it shows ...
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1answer
1k views

C++ GUI development with graph support

So, I am developing a project in the RPi where I will be reading values from a sensor using I2C, and this values will be plotted in real time using a GUI. The project is strictly being developed C++ (...
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1answer
721 views

Lightweight GUI-OS to show webbrowser with modern webpage

Hi I'm looking for an OS that is capable to show an webbrowser (in fullscreen) on an raspberry pi 2 (no other GUI elements are required/necessary). The website is just one page using html, jquerry ...
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1answer
391 views

Cron not finding necessary files to run .py file

I hope this is not a duplicate post however I have spent about 16 hours researching a solution for my problem and have not found it yet. I am attempting to run a python GUI that acts as an interface ...
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1answer
780 views

Cannot Connect to Wifi

So to begin, I have a brand new Raspberry Pi 3 B with Raspbian installed from NOOBS. I am trying to connect it to Wi-Fi however the GUI says No Wireless Interfaces. When I hop into Terminal, I can see ...
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1answer
120 views

Twitter app for Raspberry Pi?

I saw that on TVs (maybe its Apple TV?) there is an app which displays some interesting or motivational tweets from twitter. I need to just hang a LCD display with Rpi on a wall and leave it running ...
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1answer
68 views

Use Raspberry Pi with SSH disabled and no access to the screen

I recently reinstalled Debian Jessie on a Pi 3. When I turn it on the screen is blank and my keyboard does not light up - before the reinstall, the GUI would only start and the keyboard would light up ...
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1answer
1k views

Touch driver does not recognize display orientation

I am using the 7" touchscreen display and added the display_config=1 to /boot/config. It is set to boot to GUI which works fine and the UI itself is displayed correctly. Unfortunately the touch ...
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1answer
80 views

i wanted to use an android phone to dispose of a portable display powered over usb. But neither the ssh or the Gui are working>

So as I said, I do not have an actual display or monitor for my raspberry pi 3. That's why I wanted to use an old android phone (htc desire 500) as a display. That for I followed a tutorial (very ...
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1answer
801 views

What are the clock codes?

In Raspbian in the upper right hand corner there is a clock and when you right click it and select clock settings there is a field for clock format codes and changing this field will display the clock ...
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1answer
2k views

Appearance Settings and PiX theme missing

I upgraded to Jessie using this guide but the /usr/share/themes/PiX directory is missing. I also do not see Appearance Settings in the Preferences menu, which I believe is somewhat linked to the new ...
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1answer
199 views

PiTFT - How do I have access to the PuTTy terminal while the GUI is running?

I am connected to the RPi via SSH with PuTTy To start the GUI on the PiTFT I run the following command on the PuTTy terminal: FRAMEBUFFER=/dev/fb1 startx -- -dpi 60 Now, I want to use the PuTTy ...
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2answers
5k views

Creating GUI window visible above RPi Cam preview window

I'm trying to display a window using Tkinter above (topmost) to the preview window displayed when running raspivid, but I'm unable to do so. Python Code: from Tkinter import * root = Tk() root....
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1answer
730 views

Kivy, KivyPie and PiTFT [closed]

I am developing application which must be very user-friendly. For fast prototyping, I made application via wxPython but it's appearance was not that good. So I decided to change my tool and Kivy ...
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1answer
27k views

How to set up LightDM in Arch Linux?

I have been running through methods of installing and configuring lightdm as according to the Arch Wiki (In order to try out the available cinnamon desktop), but I have had no luck in getting the ...
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1answer
2k views

How to run pygame window on vnc remote desktop?

I have a very simple pygame based script, mainly handling keyboard input and some sounds. The display is mostly useless. I would like to run the script without a display, using vnc(using TightVNC now)....
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1answer
302 views

Graphic interface with Arch ARM/Debian on RPI

I am a student and my laptop just broke. Due to my lack of money I am thinking to buy a RPI. What I wonder is how well a graphical interface would run on RPI if I install Arch Arm or Debian. The ...
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1answer
636 views

Desktop Mode problems

I have run into a quite puzzling problem. I was fiddling around with the raspi-config settings, and I decided that I'd try running my RPi once with boot_behaviour set on Desktop Mode. Upon re-...
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0answers
142 views

Install Xorg on Arch-Linux-ARM

H!@all I installed Arch Linux ARM on my Raspberry Pi 4 (4GB) every thing is working fine. Now i want to install a graphical user interface (GUI, Desktop environment). The Arch-Linux-wiki says nothing ...
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0answers
41 views

How to quit an automatically run script on startup in Python Kivy?

I run a script at startup with the command line @lxterminal -e /home/pi/Desktop/Python3/myApp.sh in the file /home/pi/.config/lxsession/LXDE-pi/autostart which I created with nano, not with sudo nano ...
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0answers
47 views

Running GUI within docker despite error

I am running ROS within docker and I try to use a GUI ROS node.(turtlesime) I succeeded (I could see the turtle) but in the terminal where I run it I got the errors: MESA-LOADER: failed to retrieve ...
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0answers
9 views

How to use the turtle graphics package on my Pi 3B

I have a built a car which uses distance sensor to navigate a room. I want to map out the room's diagram based on how the bot car moves. The turtle graphics package in Python translates commands like ...
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1answer
383 views

Ubuntu 20.04/gnome wifi and bluetooth in Settings

Pi4 4Gb with Ubuntu 20.04 64b (flashed from Raspberry Pi Imager). Added minimal gnome after the install. When I go to Settings: Bluetooth says: "No Bluetooth installed. Plug in a dongle to use ...
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0answers
18 views

guizero stuck until serial input

I'm a newbie to Raspberry PI and guizero. I'm trying to change texts and set some menus visible using button and I have to print serial data on the screen. My problem is when I change text and hide ...
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1answer
29 views

Lost ability to authenticate software installation etc from GUI after deleting pi user. Can still install command line

In the interest of increasing security of my pi I followed the Secure Raspberry Pi Guide After doing so and deleting old pi user and rebooting I now cannot authenticate sudo from the GUI. For new ...
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9 views

Visual Studio Community Replacement?

I would like to be able to design user interfaces on my rpi but all the software I have looked at has troubles with running c#, barely counts as a Ide, (if at all) and you can't design user interfaces ...
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29 views

start RPI on read only with Raspbian

I want to start my RPI in read only mode to get a perfect 24/7use setup.But I need to have a graphical user interface running. For that I tried this guideline to put the SD card in read only mode. But ...
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21 views

Need different default keyboard settings for different users

I set up Raspberry Pi 4 workstations with Raspbian Buster for a school library and want to use a different keyboard setting for the root account. Now it seems to me that I can only change the ...
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1answer
3k views

Lubuntu-desktop on Raspberry Pi 4 (4gb) 19.10 ARM64

When I flash the arm64 image onto one of my Raspberry Pi 4B (4gb ram) from here (64bit version: https://ubuntu.com/download/raspberry-pi) and then do an install via apt of lubuntu-desktop, it gives me ...
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176 views

ElectronJS on RaspberryPi3B - Gtk-WARNING **: cannot open display:

I am trying to develop an ElectronJS GUI application on the RaspberryPi3B with the standard 7" touchscreen connected. Currently, I have Raspbian Buster Lite and I use SSH to connect to the Pi. I ...
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0answers
481 views

Error when creating Python GUI using Tkinter: “no display name and no $DISPLAY environment variable”

last few days I've been working to create a GUI using Tkinter This morning my code still worked, but now it crashed with said error: Traceback (most recent call last): File "TKtest.py", line 3, in &...
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0answers
31 views

Disabling auto-login after it was once enabled during build

I am running Ubuntu 16.04.6 LTS ( Mate, built with ubuntu-mate-16.04.2-desktop-armhf-raspberry-pi.img ) When I initially built this, I enabled the auto-login when going through all the initial ...
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35 views

PyGame GUI hidden by program

I am working on creating a graphical program to display two lines of text (a big message and a small message) on my Raspberry Pi Touchscreen using the module pygame. In the basic terminal, I can pass ...
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0answers
37 views

rasberrypi gui using python 2.7

I'm trying to host run a GUI program on my pi using ssh. but I get this error: App(Tkinter.Tk(), "window name") NameError: name 'Tkinter' is not defined. however when I type "import Tkinter" in pi ...
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0answers
493 views

VC4 — GL setup not working

I am trying to run chromium as weston-client using ArchArm on a RPI 3+ b, but I am unable to make it use GL. Setup: Basic »AArch64« installation as described here Package Installation: wayland ...
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1answer
26 views

ldtp linux desktop testing platform and raspbian

is using ldtp on raspbian possible using a language such as perl to control the gui? i currently automate the win32 chrome browser gui using perl (win32::guitest) and would like to use a pi instead. ...
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0answers
23 views

Text on GUI Missing

Using the latest version of Raspbian as of this writing, on a RasPi 3 B+, suddenly the text no longer shows on many GUI objects, such as some tooltips, some context menus, Chromium tabs, the Package ...
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0answers
112 views

How to execute a GUI program at boot time?

I am running stretch lite on Raspberry pi 1. I have a Gambas program which generates a GUI screen. This should happen without manual intervention like keyboard or mouse 1.I require the program to ...
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1answer
1k views

Replace PIXEL with Electron App

Is it possible to only have one full-screen application run without the PIXEL desktop environment on the current Raspbian Stretch Lite? So basically, replace PIXEL with a regular desktop GUI ...
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30 views

user made GUI on booting of Rpi3

I have a rpi 3 board. I am new to this field, I have a GUI developed in Visual studio on windows platform, i am able to run its .exe on Rpi board using mono, now i want to boot rpi such that it should ...
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0answers
394 views

Raspberry PI HMI

Is it possible to make a Raspberry Pi 3 into a functional HMI for an instrument or set of PLC devices(I usually control remote devices through TCP unless I build the HMI into the unit's case)? I would ...
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1answer
40 views

Autostart, detect directory and open in standard GUI

I want to detect the existence of a (directory on a) USB drive (/media/pi/Music), wait for it to appear, then open it in the GUI. Using xdg-open /media/pi/Music in ~/.config/lxsession/LXDE-pi/...
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0answers
63 views

Running Pascal application on Raspberry Pi without desktop environment [duplicate]

I am developing a GUI for an embedded Raspberry Pi. To make the Pi run faster and to be more efficient, I was thinking about deleting the default desktop environment from Raspian Stretch. My question ...
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0answers
198 views

Edimax WLAN working, but GUI indicates “No wireless interfaces found”

I am successfully using an Edimax WLAN USB stick which I have manually configured by editing etc/network/interfaces to use a static IP address; everything works as expected (other computers can be ...