Android

Last week, some media reported that Symantec will launch a product program called "Norton omnipresent" to expand its security protection products to the smart phone field, now, the android Norton client has logged on to the Google marketplace.The

Download files from the Internet and write them to the SD card. The idea is as follows:1. Create an HTTP accessHttpurlconnection httpcon = (httpurlconnection) URL. openconnection ()2. Get an input stream from httpurlconnectionInputstream

  Package com. Canvas. paint; Import Android. App. activity;Import Android. content. context;Import Android. Graphics. Canvas;Import Android. Graphics. color;Import Android. Graphics. lineargradient;Import Android. Graphics. paint;Import Android.

Android: textappearance Set the text appearance in the XML layout: For example, "Android: textappearance ="? Android: ATTR/textappearancelargeinverse "refers to the appearance of the system, ? Indicates whether the system has this appearance.

I read the source code and see this method. Linearlayout addaudiobtn = (linearlayout) findviewbyid (R. Id. create_audio_list_header );Addaudiobtn. setonclicklistener (New onclicklistener (){@ OverridePublic void onclick (view v ){Showdialog (1); //

When writing a multi-threaded Android program, handler is a convenient way to exchange information between processes. First, create a new handler object in the main thread and rewrite its handlemessage (Message MSG) method. There are several

Message loop is a very useful thread method. I used C to implement a message Loop Mechanism in Linux, add data to the message queue, and then asynchronously wait for the message to return. When the message queue is empty, the thread is suspended and

Before everything starts, we need to set up the development environment. The Android development environment is still relatively smooth, but there is a premise that you have a stable network environment. Step 1: Install the Java Development

The previous article introduced the process of zxing scanning the QR code. When I first read this code, I didn't understand much about it, but many details were unclear. After a deeper understanding, the Code is designed with high quality. The whole

Viewfinderview customizes the view and implements a simple scanning interface. This article record my understanding of Android camera in the code process. Since I started to write a technical blog, there are many shortcomings in the first two

After reading vurtex examples, I modified the code based on the [Android instance] QR code scan-Simplified zxing Android source code (Appendix: Chinese supported ). 1. added the method of nesting code into your own project and passing the value

First, we make it clear that preference is related to data storage.Second, it can help us easily store data! Why must we emphasize the word convenience? The reason is that we can not use it at all. We have n other ways to implement the same function!

A thumbnail thumbnailutils class has been added to the system since Android 2.2, which is located in the framework's Android. media. the location of thumbnailutils can help us obtain thumbnails of video or image files in the system from

Keywords: Android listview Header Recently, I used the ophone SDK to develop an application. In the process of use, there is a problem. I personally think it is a bug of the underlying framework of ophone. However, there is no underlying support,

    String contentdetails = "friends come and play *** game handle"; intent = new intent (intent. action_send); // enable the intent attribute for sharing and sending. settype ("text/plain"); intent. settype ("image/*"); // list of Image Sharing

If the memory is insufficient and the resource file is too large, you can either process too many resource files or change the memory size. My files in the assets folder are too large. After deletion, it will be fine! Change the memory usage, DOS,

Original article address:Http://qq361119908.iteye.com/blog/656281  In the past, there were two ways to map images: 1. We directly paste the graphic design in the UI. 2. For simple images such as Rectangles and slices, the API of the general system

Original article address:Http://blog.csdn.net/hopezhangbo/article/details/7384026   Use XML code on the activity node of manifest Android: the use of windowsoftinputmode. How the activity interacts with the keyboard. The setting of this attribute

 Here we will introduce two methods: one is to remember each activity and then kill them one by one; the other is to use broadcast. This article comes from the network. If there are similarities, It is necessary. I wrote this post just to summarize

Recently I was studying an open-source project and found that the resource files defined by others have the following labels: In this project, the above path tracing will be traced back to such a class file, so I am confused that the definition of