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GeomagneticField

public class GeomagneticField
extends Object

java.lang.Object
↳	android.hardware.GeomagneticField

Estimates magnetic field at a given point on Earth, and in particular, to compute the magnetic declination from true north.

This uses the World Magnetic Model produced by the United States National Geospatial-Intelligence Agency. More details about the model can be found at http://www.ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml. This class currently uses WMM-2015 which is valid until 2020, but should produce acceptable results for several years after that. Future versions of Android may use a newer version of the model.

Summary

Public constructors
`GeomagneticField(float gdLatitudeDeg, float gdLongitudeDeg, float altitudeMeters, long timeMillis)` Estimate the magnetic field at a given point and time.

Public methods
`float`	`getDeclination()`
`float`	`getFieldStrength()`
`float`	`getHorizontalStrength()`
`float`	`getInclination()`
`float`	`getX()`
`float`	`getY()`
`float`	`getZ()`

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors