Android

First: Use the ksoap2 Library Original post example from Http://www.cnblogs.com/ghj1976/archive/2011/04/26/2028904.html It looks good, but I ended up failing. The first crash was due to version issues. I do not know how to download the latest 2.5.7

1. The jar package used is: ksoap2-android-assembly-2.4-jar-with-dependencies.jar 2. Results 3. Code: Note: A. Because android4.0 and later cannot make HTTP requests in the main thread, you need to add the following code to the oncreate function of

Tracing Android call stacks using arm-eabi-addr2line toolsAuthor: liangshengyangFrom: http://www.linuxidc.com/Linux/2011-01/31803.htm In common C/C ++ code, you can respond to the segmentation fault error caused by improper memory operations, that

  To hide the program when you press the Home key: 1: Before Android 2.0, you need to listen to the button event to determine if the back key is pressed. 2: After Android 2.0, the system provides an onbackpressed method, which is used to listen for

The content displayed by the entire activity or view component can be saved as bitmap through the cache mechanism. The APIs used includeVoid setdrawingcacheenabled (Boolean flag ),Bitmap getdrawingcache (Boolean autoscale ),Void builddrawingcache

Introduction to how to create and play an android boot Animation Everyone wants to have a gorgeous and beautiful boot animation, which makes people feel comfortable. How does Android achieve it? How to Create a boot animation? Here we unveil the

By he minggui (http://blog.csdn.net/hmg25) reprint please indicate the source   Haha, I haven't written a blog for a long time. It's so miserable in the blog ~~ People become lazy ...... Android native Desktop Folder style and its simplicity,

The Android system "abnormal exit of the program" has a negative impact on the user experience of the application. You can inherit the UncaughtExceptionHandler class to capture exceptions during application running and give friendly prompts. Use the

I. Task To explain what is a task in Android, You need to mention the application and Activity. Activity: the most basic application component in Android. An Activity is usually a separate screen used to present data and interact with

The use of the GridView is very simple. There are examples in the API Demo, but to implement a complex GridView, You need to customize it. Today we want to achieve the following results: The layout is composed of two parts: gridview and

You can easily manage contact information through interfaces provided by the Android system. Add  Add contactCode on 1.6 String peopleName = "name"; ContentValues personValues = new ContentValues (); // name personValues. put (Contacts. people.

Add a List field to the person class in the data of the class object in the previous article Activity, as shown below: Package com. linc. meta; import android. OS. parcel; import android. OS. parcelable; public class Person implements Parcelable

Use the label to reuse the layout code. If you need to use the same layout design in a project, you can use the label to reuse the layout code. This label is not described in the android development documentation. This tag is used in the android

In android, context can perform many operations, but the main function is to load and access resources. There are two types of context in android: application context and activity context. Generally, activity context is transmitted between different

The Android operating system is implemented based on Linux, but the core value of Android is not Linux. Therefore, the Android kernel does not refer to Linux. This book is not a book about Linux. This is like Apple's operating system iOS is

No jar package path is added to the BOOTCLASSPATH. After the system is started, the related classes of the custom JAVA-layer system services cannot be found. This is because the custom system service jar package is the basic library file required by

1. Download linphone-android source code Http://www.linphone.org/eng/download/git.htmlThe git address for linphone-android is:Run the following command on the VM:Git clone git: // git.linphone.org/linphone-android.git -- recursiveRemember to attach

After several days of hard work, I finally set up the platform, found some articles on the Internet, and did not finish some attempts. The following article is helpful to me. Re: http://blog.csdn.net/friskit/article/details/6604113? Reload Part 1:

Personal email: xiaokeweng@gmail.com In the previous article, we completed a single message path from the kernel to the framework consisting of NetlinkManager, NetlinkHandler, NetlinkListener, and SocketListener according to the function call

In the previous section, we have already talked about how to install and deploy the android development environment. So today we are about to get started with the real "development" of android ~ # Tip: the compiling environment of this tutorial is