Questions tagged [gui]

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

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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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1answer
185 views

grab_set issue with tkinter toplevel window

I'm having an issue with the grab_set command when opening a toplevel window on my Pi. I'm using a grab_set to disable the screen below the toplevel and releasing it on close of the window. I doesn't ...
4
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3answers
19k views

Does Arch come with a GUI preinstalled?

I know that, for some people, this may seem like an obvious question, but, as a former user of the desktop version of Arch Linux (which came without GUI preinstalled), I have to ask: does the ...
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1answer
72 views

Video playback on Raspberry Pi 3

I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
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2answers
35 views

Distros with a keyboard-only gui

I was wondering if a distro exists that's keyboard-only friendly. Not terminal only, just kind of minimalist and doesn't use a mouse.
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1answer
32 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
728 views

Can I control GPIO Pins when using Android on the Pi 3?

I want to install Android on my Raspberry Pi for implementing a GUI app, which is easy to create using Android Studio. But now I am confused about how to control the GPIO pins on the Pi 3 to turn on ...
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2answers
218 views

Automatic shortcut execution on boot

I want to achieve following: run my GUI (made in Tkinter interface) application automatically as I boot the RPi (i.e. no desktop screen loading). But I want to be able kill the application so I can ...
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1answer
68 views

I am searching for a command for the terminal that will close the GUI and open the CLI

I am searching for a command for the terminal that will close the GUI and open the CLI. I am aware of the key shortcut to get there but am trying to create a shortcut that will run a program from CLI
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0answers
21 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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1answer
672 views

GUI on Raspberry Pi cluster

I was thinking of building a small cluster (due to the small price) but i want to know if i can get a gui (like xfce or lxde) to run o the master/ host or whatever.
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1answer
61 views

Octave is not working in raspbian

I am using Raspberry Pi 4 for one month. I installed octave today by writing sudo apt install octave It installed correctly. But the gui is not working. I can only use it with terminal . But when I ...
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11answers
104k views

How can I remove the GUI from Raspbian/Debian?

I would like to know how to completely remove X.org and all GUI-related components from Raspbian or soft-float Debian. The most obvious solution would be sudo apt-get purge xorg, but I am afraid that ...
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1answer
901 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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4answers
1k views

boot up rasbian into gui program, no interaction

I have a project I want to do, and I got an SPI touch screen (tontec 3.5") for it. I want to start up into some sort of GUI application. I only have roughly 950mb left on my micro SD (8gb, install ...
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1answer
275 views

Creating a new user and starting a graphical session causes black desktop

I am using a Raspberry Pi 2 Model B running the latest version of Raspbian Wheezy (Raspbian Wheezy 2015-05-05). I created a new user separate from the default user "pi" and I am unable to create the ...
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1answer
438 views

prevent GUI notification for Bluetooth Pairing

Currently, I am trying to control Bluetooth (pairing - connecting - removing ...) with my python code (by accessing to bluetoothctl through pexpect). It actually works fine but I have a problem with ...
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1answer
367 views

Raspberry pi freezes after 20 minutes of use

using tkinter i have made a GUI in which a video plays continuously in a loop until the ultrasonic sensor detects a person in front of it. when a person is detected it displays a messages"hi..welcome"....
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3answers
850 views

Coding a GUI in python and driving stepper motor by user input

I am hoping to use my Raspberry Pi 3 in a senior project for my mechancical engineering program. I want to use the pi to drive a vice like fixture to predetermined positions by connecting a stepper ...
2
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1answer
1k views

Raspberry Pi: Autostart Program in Full Screen

I put the program leaflet on Autostart by adding @leafpad to ~/.config/lxsession/LXDE-pie/autostart Now it starts after the GUI load is finished. But it is not starting in full screen or with ...
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2answers
742 views

Graphical gui for rasping not working

Tell you what I did, and what I think went wrong. What I did: Setting up Raspberry Pi headless way. Downloaded Raspbian Lite version Used etcher to write image to SD card Added ssh to folder in SD ...
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5answers
6k views

Pi desktop through PuTTY and Xming

I am trying to connect my Pi to my laptop, I have finished installing the OS and through PuTTY and Xming, I am trying to setup the connection but now startlxde command doesn't work. Can someone help ...
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0answers
14 views

Why does Start X oversizes content for PiTFT display?

I have a raspberryPi zero running Raspbian-lite and Im using the solution that is given to this question to create a kiosk type application, that startsX on boot and uses the open box window manager ...
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1answer
2k views

How to solve blank screen issue on Raspberry Pi GUI?

It's my third day with my Raspberry Pi. I do know Linux. I am all good with using SSH with my Raspberry Pi but I do need a GUI sometimes. I tried installing vncserver, tightvncserver and now xrdp but ...
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1answer
1k views

Kivy on Raspberry Pi: Mouse cursor not showing

I'm running kivy on a Raspberry Pi. I accepted that apparently you can't get around the fullscreen, but I can't get the cursor to show either. I tried by adding touchring = show_cursor=true to the [...
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1answer
940 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
63 views

Is React / Web or Python the way to create UIs for Raspberry Pi kiosks?

I'm more of a full stack developer than anything so I've naturally just made chromium full screen on boot and hosted a web page for UI on raspberry kiosks. My question is that if this approach is ...
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1answer
50 views

Newcomer to RPi from web developing (HTML/CSS/Javascript). Do I have any advantages? [closed]

I'm looking to get in to the wonderful world of RPi. I can make a website with HTML/CSS/JavaScript/PHP so does that give me any kind of advantage over a true RPi newbie? For my first project I'd like ...
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0answers
208 views

Simulate a mouse click in python tkinter

I have a tkinter GUI running on a Pi 3B+ with a 5" tft touch screen display. I am writing my own touch screen driver. The GUI works when I mouse click on a button that is bound to Button-1. self....
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1answer
47 views

a python GUI application to display some measured value (with Raspberry Pi)

I am developing a GUI (with python tkinter) application for a measurement system with Raspberry pi. I made the GUI and the code to do the measurement. But my question is how to link them together. ...
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1answer
308 views

RASPBERRY PI Error Python GUI : “no display name and no $DISPLAY environment variable”

Hi guys I want to create a basic GUI with TKinter. This is my code from tkinter import* import tkinter.font win =Tk() win.title("Test") myFont = tkinter.font.Font( family = 'Helvetica', size = 12, ...
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2answers
907 views

PyQt5 not found by Python3.7

I installed Python 3.7 on my raspberry pi with the help of Installing Python 3.7.0 on Raspbian tutorial and wanted to use it to start my script which uses PyQt5 but its throwing a ModuleNotFoundError. ...
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0answers
162 views

Configure chromium display on a pseudo-headless Raspbian

I'm using my raspi as a mini meteo station which (for now) only measure humidity and temperature, and I want it to display those infos on a little screen. Considering technologies I can handle, the ...
7
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7answers
28k views

Boot into the GUI after changing default user

I changed the default username using usermod from pi, but since raspi-config assumes the user is "pi", I am now unable to have it automatically boot into the GUI. Is there another way to do this other ...
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0answers
30 views

GUI Button Highlight

I'm having an issue with the highlight of the buttons on a GUI that I created with tkinter. When I run the GUI on my windows machine and the cursor is over the button, the button is not highlighted ...
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1answer
2k views

Login screen returns after entering login and password

I've just installed tightVNC on my raspberry pi. After I rebooted the device, it showed the login screen, which usually doesn't appear. When I enter the login, there's a black screen with a blinking ...
2
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2answers
1k views

Kivy on RPi - how to correct rotated touch screen

I have Raspberry Pi with 3.5 in TFT (resisitive) touchscreen installed, and small application written in Kivy. When I'm on Desktop then mouse and touch work as expected (in particular are not rotated),...
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2answers
22k views

Pi 3 cannot connect to Enterprise WiFi using GUI

Raspberry Pi 3 Model B running Raspbian "Jessie with PIXEL" (Release 2016-09-23). It appears that all the WiFi networks that requires authentication other than a PSK are grayed out in the menu. What ...
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0answers
23 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
34 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
35 views

Command to open Wireless and Network Settings GUI?

I want to add a button on the Main menu to open the Wireless and Network Settings control panel. I am using Raspbian Jessie with all the defaults, aka lxpanel. I'm using the RPi0W The reason why I ...
3
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1answer
411 views

Java/OpenJFX exception at FileChooser.showOpenDialog

I'm developing a JavaFX application which works perfectly fine on any Windows computer. Now I am trying to transfer that onto the Raspbian OS. My initial thought of perfect platform-independent Java ...
0
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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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0answers
167 views

Raspbian Stretch doesn't show any display on boot

I installed the image of raspbian stretch (version: 9) on an SD card and mounted the card on the Raspberry Pi. On first boot the display came up and the initial setup was done. In addition to the ...
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2answers
319 views

Can't boot into desktop GUI

I have a Model 3 B+, and I used Etcher to flash Raspian onto a 32GB SD card. I can SSH in to use the terminal, but I can't boot into the GUI. I went into the config and adjusted the Boot Options to ...
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1answer
4k views

GUI for Mariadb on the Raspberry Pi

Are there any GUIs for Mariadb on the Raspberry Pi besides phpmysql? I'm hoping for something that's as easy to install as sudo apt-get install mariadb-server
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0answers
337 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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0answers
26 views

Bash Script wont launch GUI at startup [duplicate]

I need to launch a couple programs on startup, and I wrote a bash script to do so as follows: #!/usr/bin/env bash echo "Starting up" >> "/home/pi/Desktop/startup-log" CONTROLS_DIRECTORY="/...
3
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1answer
369 views

Need help running games on a pi

Looking to get a raspberry pi to make a portable games console like the switch for my family. It needs to be portable which is why I am using a pi, but I want to run games that are downloaded onto the ...
0
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1answer
159 views

Python script loads on startup with a GUI, but none of the fonts load with it

I'm working on integrating my raspberry pi into a car display that shows some OBDII readouts. However when I auto start my python script none of the fonts get loaded and it looks like this: However, ...