Yup this is what I be suspected. I have the same error. But I can get past it sometimes and the page shows up. Sometimes only white screen and this error
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Hi,
Downloaded the newest version some minutes ago to test oh3 ui.
Maybe it’s just me but my backgrounds in the location cards are not shown.
Can somebody confirm this problem?
I’m on the beta, but my images are working. I’ve copied my images to conf/html so they get hosted by openHAB itself. Maybe your phone can’t pull down the images if you are using a URL to some other site?
Mine are in a subfolder of html and configured like this:
backgroundImage: http://XXX.XXX.XXX.XX:8080/static/pictures/Abstellraum.jpg
Maybe the subfolder is the problem?
The pictures are working in the browser on the phone.
Can you try backgroundImage: /static/pictures/Abstellraum.jpg?
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This is working 
Thank you very much
I have some issues with the app since it updated two days ago version 2.16.0.
I can no longer connect to remote (myopenhab.org). Locally it works fine, and my username/pw works fine using chrome. But when I use the app, I get a “Authenticate failed”.
When enter the server settings, it says “Connected to myopenHAB”.
But on the main screen I get the Authentication error.
I assume this may have something to do with the ssl certificate, but I have no idea how to fix it. I just use plain default setup.
All help appreaciated.
EDIT…
Found the issue… Seems like my password stored in google chrome and in my Android phone is not the same even though I use google to store my credentials…This is strange…
I just doubble checked, and they´re not equal. Using the password from Chrome got the app to work just fine again…
(Stupid me, I should have checked this at first 
).
Case closed!
Which server version do you have? Please enable “extended error messages” in the app and post a screenshot of the error.
How many servers do you have configured? Maybe there’s no username or password set for one of them.
Only one server.
I first thought I had to set up a second to get the remote to work. But that gave me the same issue.
Then I discovered there is a remote setup in the first server (default), where I entered the url for myopenhab, the username/pw. But again the same issue.
I just tried myself after upgrading to 2.16.0 as previous settings were lost.
It is working. You just have to enter “https://myopenhab.org” as remote URL and of course a valid login/password.
Thats exactly what I have done, (just like I used to do… I have been using this app for years now, never had issues).
Btw all my settings was gone as well with the update.
@mueller-ma and all android app maintainers : the integration of the new UI is a great feature, thank you.
Ok, so that is just me having chance.
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Android 8.0.0
App: 2.16.0
OH3.0.1.M1
LAN access
I have the following problems:
- I’ve removed all sitemaps and use MainUI only. When I enter the app it complains of not having sitemaps available. After some time it finally displays
openHAB 3 UIand then it works - The app does not display any background pictures in Locations and Equipments
Edit: 2) is solved, the solution is 6 posts above
A workaround for 2 is using relative urls, not absolute ones. But I haven’t investigated the real issue here yet.
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Thanks. What about not going to Main UI directly upon start ?
That’s currently intended, but you can use a shortcut to directly open the main UI.
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2.16.13-beta has been released as Android App Bundle to Play Store, resulting in a smaller installation size.