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 open-source project Sensors
The android open-source project (aosp) provides three software-based mobile sensors: gravity sensor, linear acceleration sensor, and rotation vector sensor. These three sensors are updated in android4.0 and both use Gyroscope (except for other sensors) to improve stability and perfor
Linear Acceleration Sensor
The linear accelerometer uses a three-dimensional vector to provide the acceleration of each coordinate axis in the device coordinate system, but does not include gravity. The following code shows how to obtain the default linear acceleration sensor
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 other three (Gravity Sensors, linear acceleration sensors, and Rotation Vector Sensors) ma
actions statement:
t = t+0.5; Set time interval
s = s0+0.5*a*t*t;
x = S-s0;
v = a*t;
SetProperty ("/dolly", _x,s)//Set function properties
2, new layer Layer2, named "Main interface", in the edit area, enter the words "uniformly accelerated linear motion" and enter the text "S=m, A=m/s2, v=m/s, T=s", and insert a text box between "s=" and "M": Select the text Input tool
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