Questions tagged [devicemotion]
72 questions
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SWIFT: Changing view controllers with CMDeviceMotion
I am following this article: http://nshipster.com/cmdevicemotion/ On how to use CMDeviceMotion.
They named this part of the article: Keep It To Yourself
I made a viewcontroller with a identifier called: PromptViewController.
I get an error: Use of…
Elia Baitel
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1 answer
How can I get magnetometer values with xamarin using the Device Motion Plugin?
I try to get the magnetic field data for a crossplateform application developped by xamarin. I am quite beginner with mobile developpement especially Xamarin.
So I have the Hello Word code:
public App ()
{
// The root page of…
dou
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How to detect last device motion event using javascript?
Good day all,
I am trying to capture the values of accelerationIncludingGravity in javascript just before it stops generating any more, that is, when the device is stationary. I know that there is an event called motionEnded generated in Xcode to…
sb_ykz61m
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iOS CoreMotion DeviceMotion Gravity Angles
I noticed the values returned by the gravity.z component seem to follow a cosine curve:
gravity.z = 0 = cos(90) (iPhone in portrait mode)
gravity.z = -.707 = cos(45) (iPhone tilted back by 45 degrees)
gravity.z = -1 = cos(0) (iPhone…
Oak
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CoreMotion how can I play music while user jumps up and down?
I'm coding an iOS app in Swift, I need to play music while the user is jumping up and down (detected via coreMotion).
Playing the audio is fine, But I do not know how to trigger/stop the music using coreMotion.
Any help would be greatly appreciated!…
Spudcakez
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html5 devicemotion acceleration always changes
I develop a web application and want to use the devicemotion event to get the acceleration to measure the speed and the distance but i noticed that even the device is static on a flat surface the acceleration values on y and always change.
var…
Mohamed
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How can I get horizontal rotation angle whatever device orientation?
I can get horizontal rotation angle by calculating the roll value (according to the definition of iOS Device Motion) when the device is portrait.
The x, y, z-axis of the mobile device:
But when the device is in landscape, y-axis is horizontal and…
Vincent
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Finding the current Accelerometer values
I'm trying to get a label to rotate based on the tit of the device in an app I'm making in swift. Given that I should be fine with rotating the label, does anybody know how to find the current accelerometer values of an iPhone? For example, getting…
Matt Spoon
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How to use FFTW on deviceMotion.userAcceleration.x
I am working on an app. that its measuring the motion of a device. (xyz direction )
and now i must use fftw to filter the data.
i don't know how to call the data through fftw. hier below is a part of my code trying to execute the X-data ( i am…
josef
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Find distance using accleremoter, gyroscope and Device motion and also use double integration
I want to calculate the distance from one point to another point, when I start capturing accelerometer data, and till I stop that, it should gather all samples and should give me distance based on velocity, roll, pitch, yaw and displacement.
I have…
Dipen
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2 answers
Not able to remove device motion event listener
In ionic 3 not able to remove device motion event listener. If any solution for this?
window.addEventListener("devicemotion", (evt)=>{
if(evt.acceleration.x > 10){
window.removeEventListener("devicemotion");
}
}
Refered link :…
Jose G Varanam
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Track iOS Device Motion Updates in Background for more than 10 minutes
I have an app which checks the gravity of the iPhone every second in the background. When I run this code while connected to Xcode, the program runs for more than 30 minutes in the background. However, when it is not connected to Xcode, it stop…
Maanit
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