Virtual keyboard turn portrait to landscape mode - landscape-portrait

I have a site that changes its layout depending on the orientation of the device. However, when there is a form in the page and the user focus on the text field, the virtual keyboard will pops up and turn the page to "landscape mode" (probably triggered by the lower height of the page)
I noticed this problem in Chrome, Firefox and Dolphin mobile browsers, is there any way to make the browser stays in portrait when the device IS portrait?

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In Android Studio, hardware buttons not working in AVD skins

Scenario 1
In Device Manager, I create Nexus One (or Nexus S) emulator with the default skin. The skin displays hardware buttons, the corresponding layout files have parts/.../buttons/... entries, software buttons are not displayed. But clicking on the hardware buttons does nothing.
Scenario 2
In Device Manager, I create custom emulator with custom skin. Near the skin selection controls, I press the How do I create a custom hardware skin? link. At the bottom of the page there is a link to page 2. I create my custom skin with hardware buttons as described on those two pages. But clicking on the hardware buttons does nothing.
Of course, I can use the buttons on the AVD toolbar, but it's less convenient.

Hardware buttons not showing on Android Emulator (ALSO, App Switcher button (⌘O) from side panel not responding)

I concisely described the problems in the screenshots; read the below description IF needed.
The bottom bar on the Android Emulator showing the three hardware buttons (square/circle/triangle = Overview/Home/Back, respectively) suddenly disappeared. They were there the night before. Next morning, poof! Gone.
Ok, so the three buttons don't show on the emulator. So then I use the SIDE PANEL which ALSO shows the hardware buttons. HOWEVER, the square Overview button (⌘O) (aka the App Switcher button) in the side panel DOESN'T WORK. This means I can't open the app switcher now (where you see all apps running in the background).
So the hardware buttons on the screen have disappeared, and the side panel (as a backup) that also has these buttons -- well, ITS square Overbutton button (⌘O) doesn't work, so the side panel is not helping either.
I used the AVD manager to add a replica of the device, and it fixed the issues, but then after some days, the same issue occurs again. I'm using MacOS.
Any suggestions? Thanks much!
IMAGE: App Switcher (Overview) button not working
IMAGE: Hardware buttons that look like these no longer showing
Tl;dr: in AVD, edit your device, click "Change" on your hardware profile, then un-select "Has hardware buttons"
For me, this was all I was missing, and after a Cold Boot of my device the 3 hardware buttons showed on the bottom of the emulator again.
Official Android Studio documentation on hardware profile properties:
Input: Has Hardware Buttons
Select this option if your device has hardware navigation buttons.
Deselect it if these buttons are implemented in software only. If you
select this option, the buttons won’t appear on the screen. You can
use the emulator side panel to "press" the buttons, in either case.
If you're using AVD through Android Studio, I would check out the answer to this question, it seems to have more updated screenshots than a lot of answers on here: Android Studio emulator missing hardware buttons
Android Studio version: 2022.3.1

default preview device and orientation

I am using Android Studio (BumbleBee 2021.1.1).
I have created a device in the Device Manager which corresponds to the physical tablet that I am connecting to each time.
However, each time I open up a project, the default view in the Design view is for a Pixel phone, in Portrait mode.
How can I set it to use my device in landscape mode, as the default, instead of having to manually set this every time I open the project?
Thanks
Garrett

Chrome dev tools: Simulating different resolution PC screen

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Currently in dev tools when I pick a device there are mobile phones/tablets and a "Responsive" option. The Responsive mode will also enable touch simulation and prevent mouse navigation via back/forward button.
Is there an option to simulate a different screen resolution without simulating a mobile device?

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