android sensormanager

Android SensorManager and sensormanager Most Android devices have built-in sensors, some of which are hardware-based and some are software-based. Sensors can be used to monitor the 3D Motion and position of a device, and to infer user actions, such as skew, vibration, and rotation, and to monitor changes in the environ

The Android sensor Logoff method is:Public voidUnregisterlistener (Sensorlistener Listener) Use this method to unregister the listener.Today found that this method is not good to use, after the call, the sensor will not be canceled at all.No other cancellation method was found after the search.Debug with debug carefully look at the log, found that every time you enter the sensor interface activity, there are two sensors, which led to the destruction o

(0, 0,-10 );When the mobile phone screen is placed on the left (X axis to the day), the values of (x, y, z) are (10, 0, 0 );The values of (x, y, z) are (0, 10, 0) when the mobile phone is vertical (Y axis to day );The other analogy is that the day is a positive number, and the day is a negative number.Using the three values of X, Y, and Z to calculate the trigonometric function, you can precisely detect the motion of the mobile phone. The function of the following code is to obtain a manager o

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 Android phone may have larger hardware di

implemented and the vibration is successful. Modify the layout as follows: Add the following code: Package com. jared. emsensorsstudy; import android. content. context; import android. hardware. sensor; import android. hardware. sensorEvent; import android. hardware. sensorEventListener; import

[1]; // gravity acceleration in the y axisFloat z = values [2]; // acceleration of gravity in the z axis The range of each value is-10 ~ Between 10, we can determine the value of each direction to achieve the effect we need, that is, when the value in each direction meets certain conditions, it triggers our expected event Bytes ------------------------------------------------------------------------------------ PS: To avoid shaking or pop-up windows when there is no input, or continue shaking a

Android implements the shake function, and android implements the shake function. To implement the "Shake" function, it is actually very simple. It is to detect the mobile phone's gravity sensor. The specific implementation code is as follows: 1. Add operation permissions in AndroidManifest. xml II. Implementation Code [Java]View plaincopy Package com. xs. test; Import

Android-driven gyroscope code and Android-based gyroscope code Android-driven gyroscope code: Source http://www.cnblogs.com/xiaobo-Linux/ qq463431476 Package zcd. functions; import zcd. netanything. r; import android. app. fragment; import android. content. context; import

1. public voidonCreate (Bundle Savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (r.layout.activity_main); //Get Sensormanager ObjectSensormanager =(sensormanager) Getsystemservice (context.sensor_service);

Let's take a look at the sensormanager code. Sensormanager framework Layer Code @ Frameworks/base/CORE/Java/Android/hardware/sensormanager. Java Public sensormanager (lodomainmainloiter) {mmainloiter = mainloiter; // As mentioned above, this is the activity's lodomainsynchr

The above has already introduced the porting process of android temperature sensor. The code page has been posted to everyone. Now we can write an APK for testing. The code is very simple, and the interface is very simple and ugly. Haha, don't mind. This aok is only used for testing. I will not introduce it more here and paste the Code directly.Package com. android. jay. sensor1;Import

For convenience, Roboguice provides "standard injection" support for some of the objects or services commonly used on the Android platform. For example, you do not need to use (Sensormanager) Getsystemservice (Sensor_service) to obtain a Sensormanger instance and use the @inject tag directly @Inject Sensormanager Sensormanag