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RE: Can not connect !posted in Frequently Asked Questions (FAQ)
@heromed Hi.
Does the Python client run locally?
If it does, it may bypass some network or security restrictions, which could explain why it works. I still think this could be some Windows misconfiguration. Do you have any antivirus or endpoint security software running that might be blocking incoming connections?
Best regards,
Kl3m3n -
RE: Does every device with the same google account need a separate licence?posted in General Discussion
@Vladì Hi.
Did you install the GUI-O from the same account (are there any other accounts on the tablet)?
Try this one by one...
- Make sure the correct account is selected in Play Store:
- Play Store → Profile → Payments & subscriptions → Purchases
- Try clearing the Play Store cache and rebooting the device after:
- Settings → Apps → Google Play Store
- Tap Storage
- Tap Clear cache
- Re-install the app.
Please tell me how this goes.
Best regards,
Kl3m3n -
RE: Does every device with the same google account need a separate licence?posted in General Discussion
@Vladì Hi!
The license is tied to the Google account, so if you are using the same account on your tablet, it should work.
Regards,
Kl3m3n -
RE: Can not connect !posted in Frequently Asked Questions (FAQ)
@heromed Hi,
Q0 error means that the connection was refused. This error probably comes from the TCP transport layer. The server application did not accept the connection at the socket level due to some reason (wrong port or wrong address family)...
Can you try using another app (just to test) to try connect to GUI-O designer tool. For example:
https://play.google.com/store/apps/details?id=com.sollae.eztcpclientRegards.
Kl3m3n -
RE: Can not connect !posted in Frequently Asked Questions (FAQ)
@heromed Hi!
I assume you followed the instructions here:
https://www.gui-o.com/design-tool#h.l8bfgce9xopcDid you provide the IP address of the Wireless adapter (not for example Ethernet adapter)? In my case:

Also - is your firewall blocking the designer app?
Best regards,
Kl3m3n -
Support GUI-O development (optional)posted in Support GUI-O development
If GUI-O has helped your projects or saved you time, you can optionally support its continued development.
Support is completely optional. Using GUI-O does not require any contribution.
Thank you to everyone who uses, tests, reports issues, or shares feedback - this support already means a lot.
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RE: Y position of widgets is always at the top of screenposted in Report Bugs
@richamar Hi!
That's good to hear.
You can send messages in chunks if you want to, as GUI-O will process the command only when it receives "newline" character ('\n').
Best regards,
Kl3m3n -
RE: Y position of widgets is always at the top of screenposted in Report Bugs
@richamar Hi!
Can you please show a simple command, so I can try to reproduce this.
If the widget appears on the top of the screen (at 0 position), then the given Y position is invalid. Can you please check that there are no spaces between parameter and payload, e.g.:
Y: 50It should be:
Y:50You can output the data to serial for debugging, before sending it to BLE...
Best regards,
Kl3m3n -
RE: Connection status?posted in General Discussion
@jeremy0 Hi.
@kl3m3n said in Connection status?:
Connection monitor (separate for each connection type). If the feature is enabled, GUI-O app requires periodic messages (e.g., ping) after first received message. Otherwise, it will disconnect and enter error state. I will also support that the feature can be enabled from the controller command.
Implemented. See the latest manual, section Connection monitor.
I did not support enabling / disabling the connection monitoring via the commands. This can only be done in-app.@kl3m3n said in Connection status?:
Any error that causes a disconnect will clear the UI.
Implemented.
@kl3m3n said in Connection status?:
Add support for @disconnect command. This will make it possible to send a disconnect request from the controller side. This will also clear the UI. User can then reconnect via the "Connect" button on top-left part of the home screen.
Implemented. See latest manual.
@kl3m3n said in Connection status?:
Add some sort of connected indicator when connected and on home screen (no UI loaded).
Implemented. A small indicator in the top-right corner of Connect button (home screen) shows if device is connected (green dot) or disconnected (red dot).
Best regards,
Kl3m3n
