android phone motion sensor

data structure is defined in sensor. h,The sensormanager processes only the vector. V, vector. Status, and time fields and distributes them to registered listeners. For example, the first itemVector. V contains information values in the X, Y, and Z directions, which are registered by javasworientataionlister,After sensormanager obtains these three values, it passes them to worker worientataionlister. The latter code is located:Frameworkd/base/CORE/Ja

The Android mobile phone operating system is an open-source operating system that allows users to flexibly program to meet their various needs. Before learning this system, let's take a look at the Android sensor applications. In the past two days, I have studied Android

ServiceManager.registerlistener (this, sensor, SENSORMANAGER.SENSOR_DELAY_UI);//Register the Sensor service.In the Sensor service registration method, there are three parameters, three parameters are: Monitor sensor event, sensor target type, delay time accuracy density (in

);listStringBuilder sb = new StringBuilder ();Sb.append ("The phone has a total of sensors:" +sensorlist.size () + "\ n");String typeName = "";for (Sensor i:sensorlist) {LOG.D ("", String.Format ("type number:%d\n", I.gettype ()));}for (Sensor i:sensorlist) {TypeName = Sensortypename.getsensortypename (I.gettype ());Sb.append (String.Format ("

(). BeginTransaction (). Add (R.id.container,Newplaceholderfragment ()). commit (); } NewThread (runnable). Start ();//Thread Execution! } Handler Handler=NewHandler () { Public voidhandlemessage (Message msg) {Super. Handlemessage (msg); Bundle Data=Msg.getdata (); String Val= Data.getstring ("Value"); //preparing the UI build for displaying informationTextView txt =(TextView) Findviewbyid (R.ID.TEXTVIEW1); Txt.settext (Val); } }; Runnable Runnable=NewRunnable () {@Override

Sensor types: 1. Motion sensor Acceleration sensors, gravity sensors, and gyroscope (mobile phone attitude judgment) 2. Position Sensor Direction sensor and Magnetic Sensor 3. Envi

Environmental sensorsThe Android platform provides 4 sensors to detect different external environments. We can use these sensors to detect the surrounding. For example, the humidity, light, air pressure and temperature of the surrounding air can be detected. These 4 sensors are hardware-based sensors. In addition to the light sensor, 3 other sensors are rare in common A