Display almost any app on your HUD mirror, near your car's windshield
About Half HUD
Half HUD is an auto & vehicles app developed by Cyber Luthier.
How many times has Half HUD been downloaded?
Half HUD has been downloaded 2.4 thousand times. In the last 30 days, the app was downloaded 12 times.
What is the rating of Half HUD?
Half HUD has no ratings yet.
Is Half HUD free?
Half HUD is free to download. The APK download size is 3.48 MB. The latest version available is 0.8.1. The last update was on June 16, 2023.
What are the requirements for Half HUD?
Half HUD requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play May 2021.
Description
Display almost any app on your HUD mirror, near your car's windshield
Why? Even some pretty cheap new cars come now with a so-called heads-up display (HUD), showing various kinds of information on or near the windshield, so the drivers can keep their eyes on the road.
For the other cars, there are devices that either show similar information in a similar fashion or simply reflect a phone's screen via a semi transparent mirror. You can even just use a phone's reflection in the windshield.
An issue with all these (built-in, dedicated device, mirroring a phone) is that they only show specific things and are not that customizable. In particular, only phone apps that are designed to flip their screens can really be used. So most important navigation-related apps can't be used with HUD mirrors. True, there are some apps that are meant for HUD, but they have their own drawbacks, the chief ones being that you may want to keep using the app you already like, and that they may lack traffic information.
What? Half HUD allows you to use any app, as long as your phone and your app support a split-screen display. These depend mainly on the phone manufacturer and the app developer. Split screen has been introduced in Android 7 back in 2016, so it should be on most phones today. Regarding apps, I think the only app that doesn't work in split screen mode on my phone is some weather app. For one, all the navigation apps that I have work fine.
How? You split the screen in 2 parts, normally in landscape mode. Then Half HUD runs on the left, while your app runs on the right. The main thing is that Half HUD captures the whole screen, keeps just the part that shows your application, and shows it flipped in its own half, so you see it correctly when reflected in the mirror or in the windshield.
Of course, the actual app is still visible, and annoying, so you deal with this by covering it with a piece of black paper or plastic. As a bonus, this will also make it less tempting for you to try to interact with the app while driving (which is illegal in most places anyway).
Caveats » Practically losing half the screen is not a great user experience, but it seems to be the price you need to pay to have HUD access to almost any app without rooting your phone.
» Some things can be improved (battery life or user experience), but the functionality is there, and changes will mainly come as result of adoption and user feedback. In particular, the initial setup might be confusing.
» Android keeps asking for permission for Half HUD to record the screen, when it starts and when you rotate the screen. On my phone it asks "Half HUD will start capturing everything that's displayed on your screen", but different wording is probably be used elsewhere. This functionality is obviously needed, as it is at the root of how the app works. What is less than clear is if anything can be done to answer only once, but the initial research suggests that it's not, so it keeps asking and you keep confirming.
» The normal screen orientation is landscape, which might be an issue for some apps.
Recent changes: Updated Android Target SDK. (No user-facing changes are expected.)
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Great work man, really appreciate it. I checked the xda post 10 years and no one wants to develop it, but you did. Thanks, Man. Looking forward for improvements
★★★★★Mohit Mahna· Jan 17, 2025
Can you make an app that flips the entire screen without having to enter pixels etc? Just press a button and flip maybe?
★★★★★Com Func· May 25, 2022
Just testing it out, but first impressions are good, and it's free!
★★★★★Matt Marshall· May 5, 2024
Props to this app! Finally, I have Maps in HUD mode! Going to make a screen cover for the host app side, probably using black card stock wrapped in a loop around the phone, so it can slide off/on. Problem solved!
★★☆☆☆Alain Damlamian· Apr 11, 2022
This is nice, but the set-up process is very (too ?) complicated, and it gives only half the screen in reverse mode (half of Maps or Waze is not that useful, is it ?). Why not reverse the whole screen. Call it Full HUD, maybe. It would be easier to use ; just needs a simple way to initiate and cancel flip (perhaps a long press anywhere on the screen or on a specific button ?) Thank you.
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Technologies used by Half HUD
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