How to view (and lock) a website in landscape mode with no address bar? - Android Q&A, Help & Troubleshooting

I built an html-based seating chart app for use in my classroom. I need to view the seating chart in fullscreen landscape mode for the duration of the class. I've been using Chrome on Android and I have some problems. The first is that the address bar takes up too much screen real estate, and it seems the only way to make it go away is to scroll down the page. So I added some space on the page above the seating chart and put a jump link at the top of the page. But still, when my screen turns off and I turn it back on, it automatically rotates into portrait mode and jumps back to the top of the page. Any ideas for a good solution? I have control of both the web html and my phone, so there should be lots of options. Maybe a browser on Android with a fullscreen option?

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[Q] How to switch full screen mode in Browser?

Normally, I have tabs and menu symbol at the top of the screen when using Browser. However, sometimes - I think when I close an existing tab - it switches to full screen mode and I don't know how to see my tabs again. There is not full screen switch in quick controls on the side of the screen.
How do I switch between full screen mode and tabbed mode?
Also: how do I get to my home page?
Edit: I'm talking about stock ICS browser.

SGIII Screen Dimming On Websites

I have a VZW Galaxy SIII and it has so many customizable options within it. I know that there is a setting specific to the browser brightness....but is there anyway to just have it sync up with the automatic brightness of the rest of the pages/phone screens. Nothing becomes more irratating than going from a vibrant home screen, menu screen, or facebook app screen to a much dimmer web page. Even when you utitlize the favorites button and look to go to one of your book marked pages, the screen will get brighter in the menu and then dim as you get back to a web page. Seems easy enough to ask for a way to keep the screen brightness the same regardless of the page you are on.
Can someone help me please?!
BeastMode3215 said:
I have a VZW Galaxy SIII and it has so many customizable options within it. I know that there is a setting specific to the browser brightness....but is there anyway to just have it sync up with the automatic brightness of the rest of the pages/phone screens. Nothing becomes more irratating than going from a vibrant home screen, menu screen, or facebook app screen to a much dimmer web page. Even when you utitlize the favorites button and look to go to one of your book marked pages, the screen will get brighter in the menu and then dim as you get back to a web page. Seems easy enough to ask for a way to keep the screen brightness the same regardless of the page you are on.
Can someone help me please?!
Click to expand...
Click to collapse
When in the browser
Open settings (browser settings)and adjust brightness from there. Its probably set on auto by default.
Sent from my SPH-L710 using xda premium
AHHH HA! So I had already played in the color and settings menu to try and match the best that I could. It looks like if you select the "Default" option versus Level 1, 2, or 3 it will keep the browswer screen at the same level as your menus and other applications. Hope this helps others in case they are running into the same thing. Thanks!

PWA with video - how to get good full-screen behaviour?

I'm writing a Progressive Web App, and I'm having trouble with the behaviour of Chrome on Android wrt how videos go into and out of fullscreen mode.
On mobile safari, it all seems to make sense:
1. if not in fullscreen, pressing 'play' turns it fullscreen, in either orientation.
2. there's also a button to make it fullscreen, which does as it says.
3. if you rotate the phone while in any mode, it stays in that mode - fullscreen in portrait switches to fullscreen in landscape, and vice versa...similarly if not in fullscreen. The only notable thing that happens is that a progress bar appears after you rotate the phone.
On Android, however...
1. while not in fullscreen, rotating works ok..it just stays non-fullscreen.
2. pressing play, does not cause it to go fullscreen (unlike on mSafari).
3. if you go fullscreen, in either orientation, then switch orientation, then it drops out of fullscreen mode, and you get all the controls pop up again.
4. if, while in landscape, you have the video non-fullscreen, and tap the fullscreen control, it will go fullscreen, but it also rotates the video to portrait.
I wonder if anyone knows how to make the Android/Chrome behaviour more like the mSafari behaviour. I guess the key things are to stay in fullscreen even if the phone is rotated, and to allow fullscreen landscape.
Any ideas?
Max.
For testing, I'm using iPhone X on 12.3.1, and Pixel 2, Android 9, PIxel 2 Build/PQ3A.190705.001 chrome 75.0.3770.101

Question Buggy gesture navigation on rotated full screen apps

Anyone else having trouble with gesture navigation when using full screen apps?
Sometimes when I start a video on YouTube in full screen mode, switch temporarily to a messaging app and then come back to the video, the gesture navigation is all messed up. Lower part (short side of the phone) of the screen doesn't register touch so I can't get out of full screen in YouTube and the thin white bar is not where it should be on the longer side (which is now supposed to be the bottom), but instead it is on the short side which should also be my "back" gesture now.
This is very annoying as trying to swipe 'back' now gets me to the home screen and I am unable to hit three dots or the full screen button in YouTube.
I am not using auto-rotate, but I am using Sony Side sense and obviously gestures to navigate. Rotating the phone 180 degrees and back seems to fix it. It's like the phone forgets how it should be oriented when I switch between an app that is in portrait mode and landscape mode
Anyone else out there with these kind of issues or am I alone with this?
I've also experienced this and have found no fix. If I go to recent apps and re-enter the app from there a couple times, it fixes itself but that's all I've found.

Multi window in portrait mode

Is it possible to use multi window feature in portrait mode so that the windows are placed in portrait instead of landscape view?
I see no point using multiwindow in portrait if windows are placed side by side. they are too narrow to be used conveniently imo.
On my phone (Note 10, Android 11 OneUi 3.1) multiwindow apps are automatically rotated if you change phone to portrait or lanscape, but my tablet always keeps the windows side by side. On portrait it doesn't flip the windows to one at top, one at bottom half of the screen.
Desired way of rotating shown in attachment
Thanks
Edit:
I found out that by pressing the "three dots" icon in middle of the two open apps, there is a button to rotate the screen to vertical view. Still not doing that automatically depending the rotation of tablet

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