android phone motion sensor

The Android platform provides several sensors that can monitor the movement of devices. Two of them are hardware-based (accelerometer and gyroscope). Three sensors can be hardware-based, it can also be software-based (Gravity Sensors, linear acceleration sensors, and rotating vector sensors ). For example, some software sensor-based devices extract their data from the accelerometer and the magnetic

This article translated from: http://developer.android.com/guide/topics/sensors/sensors_motion.html The Android platform provides several sensors that can monitor the movement of devices. Two of them are hardware-based (accelerometer and gyroscope). Three sensors can be hardware-based, it can also be software-based (Gravity Sensors, linear acceleration sensors, and rotating vector sensors ). For example, some software

Android motion sensor Android motion sensor The Android platform supports some sensors used to monitor device movements (five such sensors ). Two of them are pure hardware sensors. The

Motion sensors are useful for monitoring the movement of devices, such as tilt, vibration, rotation, and swing, which are the monitoring ranges of motion sensors. The movement of a device is usually a direct response to user input.All motion sensors return a value of three floating-point numbers, and for different sensors, the three values have different meanings

Now there are all kinds of sensors in Android phones, such as accelerometers, gyroscopes and the like, I now use a total of nine sensors in the Vivo V3 phone:Lis3dh-accel : Tri-axis acceleration sensorTmd277x-proximity : Near distance sensorTmd277x-light : Light sensorYas533-orientation : Direction sensorYas533-pseudo-gyro : Motion sensorYas533-linear-acceleration : Linear acceleration SensorYas533-rotation

1. How does the android coordinate system define the x and y z axes? The X axis direction is from left to right along the horizontal direction of the screen. If the mobile phone is not a square, the shorter side needs to be placed horizontally, and the longer side needs to be placed vertically. The Y-axis direction is from the lower left corner of the screen along the vertical direction of the screen to t

), sensormanager.sensor_delay_normal);} @Overrideprotected void OnPause () {super.onpause (); Sensormanager.unregisterlistener (this);} @Overridepublic void Onsensorchanged (Sensorevent event) {int sensortype = Event.sensor.getType (); Values[0]:x axis, values[1]:y axis, values[2]:z axis float[] values = event.values; if (SensorType = = Android.hardware.Sensor.TYPE_ACCELEROMETER) {if (Math.Abs (values[0]) >17| | Math.Abs (values[1]) >17| | Math.Abs (values[2])

/bhu.com.myapplication i/system.out:bmp18007-14 23:58:48.148 11693-11693/ Bhu.com.myapplication i/system.out:isl2902807-14 23:58:48.148 11693-11693/bhu.com.myapplication i/system.out: isl2902807-14 23:58:48.148 11693-11693/bhu.com.myapplication i/system.out:l3gd2007-14 23:58:48.148 11693-11693/ Bhu.com.myapplication i/system.out:bmp18007-14 23:58:48.148 11693-11693/bhu.com.myapplication i/system.out: gravity07-14 23:58:48.148 11693-11693/bhu.com.myapplication i/system.out:linear Acceleration07-1

Well, thanks to the recent development requirements for smart hardware, so the recent days to share the blog is roughly linked to intelligent hardware, like a piece of Bluetooth sharing, I believe that many readers have seen, then today I bring you the knowledge of the Android sensor introduction and use of methods, for the use of sensors , different versions of the And