Hi, this can done, rotation is just a property that is disabled in TV Boxes, so no need to worry, follow the following steps :
1) install the RootBrowser App and Open then app
2) Navigate to the Systems Folder
3) In systems folder you will find a file named build.prop
4) Open the file (build.prop) in any editor and edit the line with the property (any of these three properties will be there depending on the firmware)
- ro.sf.disabledrotation=1 (change the value to zero to enable rotation),
- ro.sf.disablerotation=false(change value to true),
- ro.sf.hwrotation=0 to (any of the values 0,90,180,270,360),
5) After making the edit go back it will prompt to save the file, once saved you are done.
6) Now just restart the machine once
7) Install a Rotation App (if the property of ro.sf.hwrotation=0 is there you dont need to install the rotation app, just replace the value of the rotation degree instead of '0' and save the file-build.prop) you are done, now your android TV box can rotate however you want.
I have used and tried it in Rockchip, Allwinner and Amlogic based boxes here and all of them have a mix of these properties or any one of these properties in the system/build.prop file.
Any Model MXQ-PRO, R 69, S8 Mini, V88
So yes rotation in any TV Box is easily possible.
The android system is 7.1.2, rotation control apps is used in this android box, but it always showing in the same direction.
I cannot make it to reverse portrait and reverse landscape. I tried tested the rotation control apps in samsung android tab and it is work fine. So I'm so confuse that it is not working in my android box.
Is android box be fixed in the same direction already when the android system was installed?