external sensors for android

Android Baidu map SDK v3.0.0 (2) Positioning and integration with direction sensors, androidv3.0.0 Reprinted please indicate the source: http://blog.csdn.net/lmj623565791/article/details/37730469 In the previous blog, we successfully imported the map into our project. In this article, we are going to add a map: first, the positioning function; second, combined with the direction sensor, to confirm the direc

Obtain all available Sensors and androidsensors on a device on the Android platform. I was going to write a small app that detects the temperature of a mobile phone. I want to learn about the sensor api, but I can't write the result. After detection, we found that the obtained Sensor is NULL, so we can see that my mobile phone does not have the TYPE_AMBIENT_TEMPERATURE Sensor. So I wrote an APP to list all

how the 1.android coordinate system defines the x, y Z axis The direction of the x-axis is the horizontal direction of the screen from left to right, if the cell phone is not a square, the shorter side needs to be placed horizontally, the longer side needs to be placed vertically. The y-axis is directed from the bottom left corner of the screen to the top of the screen along the vertical direction of the screen. Put the phone on the table, the dire

This example for you to share the Android micro-wave function of the implementation method for your reference, the specific content as follows Import java.util.ArrayList; Import java.util.List; Import Java.util.Random; Import android.app.Activity; Import Android.app.Service; Import android.content.res.Resources; Import Android.hardware.Sensor; Import android.hardware.SensorEvent; Import Android.hardware.SensorEventListener; Imp

Android Packaging installation to join the external database, I have this requirement so I wrote the following code, now share to everyone Copy Code code as follows: public void CreateDatabase () { Try { Get the absolute path to the. db file String databasefilename = Database_path + database_filename; File dir = new file (rootdirectory); If the directory does not exist, create this direct

Android stores and loads local files (external storage devices) and android storage devices Sometimes the application needs to write data to the external storage of the device. If you want to share music, images, or online data with other apps or users, it is easier to share data stored on

Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source, androidjar When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, but when you click ctrl and the left mouse butt

Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, but when you click ctrl and the left mouse button on the fu

First of all, the premise of achieving all this is that your AVD Android simulator, before starting, has the size of the sdcard set well, such as. At the same time, your AVD Android simulator should be in the boot state. Otherwise, you cannot perform the following actions.Here's an example of an Android development environment installed in Windows using the Adt-b

[Android] copies external files to sdcard on AVD Android simulator, and browses sdcard files in AVD, First, you must set the size of the sdcard before starting your AVD Android simulator, for example. At the same time, your AVD Android simulator must be in the startup status

External High-camera for android devices and android devices I recently studied the external camera of the android device. I had a camera at hand and tried it. I didn't expect the camera to be able to preview it. 1. Not all android