How to find device co-ordinates with respect some point (which is calculated by the device itself) in android 4.4?

Asked Mar 10 '14 at 10:28

Active Mar 10 '14 at 10:41

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I have followed below questions in both acceleration and location finding with reference to true north. But results are not at all accurate for device location. Could anybody tell me how to enable that TYPE_GRAVITY sensor also?

calculate acceleration in reference to true north

Convert magnetic field X, Y, Z values from device into global reference frame

Basically i want to know my device location(co-ordinates) with respect to some known location.

edited May 23 '17 at 12:13

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asked Mar 10 '14 at 10:28

user3056360

Just use bearingTo() method in the Location class. – Hoan Nguyen Mar 10 '14 at 18:35
basically for bearingTo() we have to pass location. My question how we can accuratley calculate that location itself. – user3056360 Mar 13 '14 at 12:04
You cannot calculate location from sensors, only heading. To get device location use GPS. – Hoan Nguyen Mar 13 '14 at 18:26
GPS accuracy is very low ranges about 18 feet. i need most accurate one. – user3056360 Mar 14 '14 at 05:24
GPS is the most accurate you can get. – Hoan Nguyen Mar 14 '14 at 07:03
By using accelerometer and rotational matrix, Can i get the direction of my device with respect to some global co-ordinates( eg: a table)? – user3056360 Apr 29 '14 at 10:40
@hoan-nguyen: Thanks for your previous comments – user3056360 Apr 29 '14 at 10:41

How to find device co-ordinates with respect some point (which is calculated by the device itself) in android 4.4?

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