phone accelerometer x y z values independent of phone orientation in android

Hi, I was recently confronted with the exact same problem while building an artificial horizon with an arduino, which is why I am quite into the issue. I know this is really annoying at a first glance, but I have found an elegant solution which I will explain in detail. If you wish me to implement it as well this is not an issue, it's just rewriting my arduino c++ code to java or kotlin. About me: I am a software developer who takes part in various IT- and maths-related competitions and reached a federal level in both subjects. I like solving hard problems including 3d movements, rotations and a lot more. I have experience in a variety of platforms (Java, Android, C++, Arduino, Web Development, TensorFlow...).

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Important: I did your project previously to train tensorflow model on Human Activities (bike, walk, running etc) with Accerlerometer data. (Let's start chat so we can discuss about it more). Hi, hopefully this proposal finds you in good health. I am a Developer and have rich experience in Machine Learning and also Android App Development, you can check my reviews. I have worked with Accelerometer and Gyroscope to recognize Human Activities on real time using Android App. I always deliver high quality of work within accepted time limit and budget. Right now, I've placed a bid, but we can finalize it after discussion. Please start the chat so we can have detailed discussion. - Thanks

Hi This is a classical dynamics problem coupled with control theory. I am a Ph D mechanical engineer with good competence in both. I can translate the scenario to computer code(Java/Python) as well. I will do a proper lit survey and methodically deliver you the model as code or pseudocode. You may consider me with confidence. Regards Muthu

Dear i am giving u surity for this jobwork we are from IIT Kanpur and daily we do some enthusiastic thing surely my friend have done many new things like that and tougher than this if you provide this project to us we can complete it in time surely i am promising you...

I can help you to retrieve the desired information from your phone. but, the pos/orientation will only be retrieved in reference to the phone itself. you can define coordinate transformation bw phone and global reference frame