Android

// Transferred from: http://www.cnblogs.com/error404/archive/2012/05/03/2481958.html   Wifimanager wifimanage = (wifimanager) Context. getsystemservice (context. wifi_service); // obtain wifimanager // check whether WiFi is enabled if (!

Reprinted Please note: http://blog.csdn.net/herm_lib/article/details/8644340 1. Download several necessary software first [1] jdk-7u17-windows-x64 [2] Android SDK, adt-bundle-windows-x86_64-20130219 I downloaded this file with eclipse.

// Call the browser Uri uri = URI. parse ("");Intent it = new intent (intent. action_view, Uri );Startactivity (it ); // Display a coordinate on the map Uri uri = URI. parse ("Geo: 38.899533,-77.036476 ");Intent it = new intent (intent. action_view,

Package xiaosi. baidumap; import android. app. alertdialog; import android. content. dialoginterface; import android. OS. bundle; import COM. baidu. mapapi. bmapmanager; import COM. baidu. mapapi. geopoint; import COM. baidu. mapapi. mkaddrinfo;

Important methods: Public intGeocode(Java. Lang. String straddr, java. Lang. String City) Obtain Address information based on address name Asynchronous function, which returns the ongetaddrresult method notification of the result in

In this article, we will learn how to retrieve and display images in the media library and the details of each image, including name, ID, path, size, and so on. For more information about cursor, see blog: Concepts and usage of the cursor class in

Colormatrix is used. Java code: Package COM. figo. imgedit; import Java. io. filenotfoundexception; import android. app. activity; import android. graphics. bitmap; import android. graphics. bitmap. config; import android. graphics. bitmapfactory;

Two days ago, because the project had to implement a real-time Android-based collection system, the parameters should be displayed in the form of real-time curves. On the Internet, I found Android-based chart tools and source code, finally, we

Reprinted 1: Tslib ported to Android for touchscreen calibration.Since Android doesn' t provide a calibration tool, tslibCan be used to calibrate the touchscreen. The values obtained fromTs_calibrate in pointercal file can be used in

As you can see, the top-level makefile contains the scripts/kbuild. include file, which defines a large number of functions and variables for the top-level makefile and other makefile files.The first line of the makefile on the top layer contains

Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/8744400 Previously, I introduced the simplest implementation method of sliding menus in history. If you forget the implementation principles or friends you have

Main Activity public class TestGLCubeActivity extends Activity { /** Called when the activity is first created. */private GLSurfaceView GLMainView; @Override public void onCreate(Bundle savedInstanceState) {

Integrate jcfxbl and webview to build an Android Application Service Platform   This series of articles is written by ex_net (Zhang jianbo). Please indicate the source for reprinting. Http://blog.csdn.net/ex_net/article/details/8829348 Author: Zhang

 Overview The key to creating a pleasant user experience is developing responsive applications. With the help of the components provided by the android * software development kit (SDK), the performance problem debugging task becomes easier due to

  1. Structure of the android File SystemAfter the android source code is compiled, the system. IMG, ramdisk. IMG, and userdata. IMG image files are obtained. Ramdisk. IMG is the file system of emulator. IMG includes the main packages, libraries,

Hal Introdution: the existence of Hal (hardware action layer) aims to make the android framework and Linux Device driver is separated. Upper-layer applications use Dalvik Vm and core services [runtime] (such as sensor Service, camera service, etc.)

Android wakelock can be applied for and released by kernel space and user space. The applied non-Timeout lock requires the corresponding call of wake_unlock to release the lock, and the timeout lock does not need to be released manually (you can

The 2D graphics engine skia used by Android is an efficient 2D vector graphics library. Google has opened skia Open Source: http://code.google.com/p/skia /.   Skbitmap is a very important class in skia. Many painting operations involve skbitmap. It

1. Overall Architecture 2. Process Overview 2.1 enable vold 2.2 boot uevent 2.3 handle events   As a local service of Android, the vold-volume daemon is responsible for processing events such as storage devices such as SD and USB. 1. Overall

There is a well-known asihttprequest library in iOS development that is used to process network request operations. Today we will introduce an Android-async-HTTP network request library that is equally powerful on Android, currently, Instagram and