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2014/10/16 ¤W¤È 08:27:02
android Programming Glossary: uprightAndroid getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results from getOrientation ... this problem will be present and should be present not only for the case where the phone is upright but also in the cases where there are azimuth angle wraparounds too... Maybe you could test for those bugs as well... ...
Gyroscope Issues with Device Orientation http://stackoverflow.com/questions/14310347/gyroscope-issues-with-device-orientation 0 degree point or initial position for my device so that the pitch readings are 0 degrees when my device is oriented upright in portrait mode with the screen facing the user. I asked the author of the tutorial with help on this issue and he responded.. facing the user. I asked the author of the tutorial with help on this issue and he responded If you want to have the upright position as the initial one you will have to rotate your frame of reference accordingly. The simplest way would be to rotate..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch the device from the horizontal. m_pitch_radians 0 if the device if flat m_pitch_radians Math.PI 2 means the device is upright. float m_pitch_axis_radians angle which defines the axis for the rotation m_pitch_radians public OrientationSensor SensorManager..
Different values between sensors TYPE_ACCELEROMETER/TYPE_MAGNETIC_FIELD and TYPE_ORIENTATION http://stackoverflow.com/questions/4174389/different-values-between-sensors-type-accelerometer-type-magnetic-field-and-type that this doesn't cover all cases not even some of the common ones. For example if you want to remap for a device held upright e.g. to take a photo you would want to multiply the transformation matrix by this matrix 1 0 0 0 0 1 0 1 0 before calling..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass imagine the axes in the figure above as tubes which can detect the amount of rain flowing through. When the phone held upright all the rain will flow through the Y 'tube'. If the phone is gradually rotated so its screen faces the sky the amount of..
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