Android

References: Http://blog.csdn.net/homebei2/article/details/6045961 Http://www.haogongju.net/art/1444966 Operating System: ubuntu12.04 1. To make the modified configuration valid after the simulator is restarted, you need to set the

The first two articles introduce the commonly used layout component writing methods. This time, let's take a look at 1. listview Like most components, listview is generally difficult here, that is, when you customize layout styles. // Create the

  Formula: screen size = pixel value on the diagonal line of the screen/(density * 160) =/(density * 160)   // Screen sizeDouble screensize;// Pixel value of the diagonal line of the screenDouble diagonal;Displaymetrics dm = new displaymetrics ();

Author: ant. Cy. Liao Home: http://code.google.com/p/gifview/ Download: http://code.google.com/p/gifview/downloads/list Introduction: currently, no GIF view is directly displayed in Android. It can only be displayed through mediaplay and cannot be

All those who have used edittext know that edittext has a special feature.A contextmenu is displayed, which provides functions such as selecting text, copying, and cutting. Sometimes, we will think that if this contextmenu is not displayed, it will

BeforeYan The Android system is currently one of the most popular mobile phone systems. The author of this book has published a comprehensive introduction to the Android system, "detailed explanation of the principles and development points of the

In the previous article, we analyzed the connection process between Android applications and surfaceflinger services. After the Android Application successfully connects to the surfaceflinger service, an anonymous shared memory is required to share

In the Android system, broadcast is a mechanism for transmitting data (intent) between components. These components can even be located in different processes, in this way, it serves as the Binder Mechanism for inter-process communication. This

In the Android system, activity and service are the core components of applications. They are loosely coupled to form a complete application, this is because the application framework layer provides a complete set of mechanisms to help applications

The call function has been implemented in the previous blog, but the chances of using text messages in practice are also relatively high. Many mobile phone card text messages are monthly subscribed, for example, a mobile phone card can send 200 text

Tcpdump adopts the command line method. Its command format is: tcpdump [-adeflnnopqstvx] [-C quantity] [-F file name] [-I network interface] [-r file name] [-s snaplen] [-T type] [-W file name] [expression]  Introduction to tcpdump options -A

I have encountered some problems in the display of images recently. 1) You can use imageswicher and imageview to combine them. In this case, setfecloud () is used, which is flashy. The worst thing is that if the image size exceeds the screen size,

/Mnt/sdcard/dcim/. thumbnails/. thumbdata3 -- 1967290299 the details of this file are described as follows:Access this file through the interface provided by the minithumbfile. Java file.The saveminithumbtofile stores the thumbnail in this

  1. Foreground control selectot Mybutton_background.xml Android: drawable = "@ drawable/button_background_focus"/>Android: drawable = "@ drawable/button_background_pressed"/>Android: drawable = "@ drawable/button_background_pressed"/>Android:

NetworkThere are a lot of articles on the road to explain how to integrate SDL into the Android platform, and I also made a look at it by myself, and finally I will organize some steps and experiences. The following is the development environment I

Display webpage:1. Uri uri = URI. parse ("http://www.google.com ");2. Intent it = new intent (intent. action_view, Uri );3. startactivity (it ); Display map:1. Uri uri = URI. parse ("Geo: 38.899533,-77.036476 ");2. Intent it = new intent (intent.

In the new version of Android, near-field communication is supported. Near-Field Communication (NFC), also known as short-range wireless communication, is a short-range high-frequency wireless communication technology that allows close-range (10 cm)

Android 2.2 and Android 2.3 have some changes in the source code structure: the position of tatusbar is changed. In 2.3, the source code of statusbar is in frameworks/base/packages/systemui. Modify the background of statusbar, and replace

Blog point of view lecture 37-it's Android time: programmers create rich youdao! Conclusion October 17, 2010 am ~ E-Industry Press blog pilot held in the multi-function hall on the 5th floor of Zhongguancun Library Building, the "blog viewpoint

When talking about broadcasting, we first think of the Radio. When we want to listen to a broadcasting station, we only need to adjust the frequency of the radio to the frequency of the broadcasting station! The broadcast in Android is actually very