Android

3G mobile Internet is not only another spring of open source software, but also the next gold mine mined by enterprises. There are huge business opportunities and a subtle game of multiple forces!In terms of software, Google builds an Android mobile

1. Example description Tabhost is a view container component provided by the Android system. It can display a group of child components by pageProgramMultiple activities are organized. To create a tabhost, you also need to introduce the

These two days, I am crazy about working overtime for the company and catching up on projects. If you are free tonight, I will write a tutorial on printing scalar or needed characters on the android console.The general printing method of Java is

Keywords:Android, build system Very useful record. Thank you!======================================================== 1. Android Compilation System AnalysisCompile scripts and System VariablesBuild/envsetup. Sh script analysisBefore compiling the

The following are two reference articles! Note: Let's clarify these two different lines. The lines on the left and top define which pixels of the image can be copied during scaling.The bottom line and the right line are used to define an image in a

  Tutorial Index Android drag and drop tutorial Android plotting (drawables) Tutorial Android styles and themes tutorial Live wallpaper tutorial Homescreen widgets tutorial Custom views for Android (M m views) Tutorial Android supports

Preface This chapter translates Android. widget. radiobutton into a single-choice button, which is usually used with radiogroup. For example, see here. More friends are welcome to join the Chinese translation operation of Android Api! My mailbox

Preface The android Chinese translation Group finally had the first chm format collection, which was made up by several hours on weekends. 20 translated articles in the widget namespace. The participants include 0_1, tangming, loveshirui, madgoat,

We know that system. currenttimemillis () can be used to obtain the current system time. We can start a thread and send messages through handler to update the system time displayed on textview in real time. We start a thread and the thread sends a

From: http://www.linuxidc.com/Linux/2011-06/36828.htmAndroid screen orientation change and onconfigurationchanged event   Note: The onconfigurationchanged event can be triggered not only when the screen direction is changed, but also when other

From http://android.group.iteye.com/group/wiki/3041-himi-xiaominghimi-traceview-sdcard As I am currently working in a professional online game company, I need to use some methods to streamline and optimize the online game code currently in operation,

Decompilation of Android applications The graduation project accidentally chose the development direction of the smartphone, and the platform chose Android, So I recently learned a lot about Android program development. However, as a lazy, easy to

From: http://blog.csdn.net/android_tutor/article/details/7425021 Recently I changed my computer and started to build an android development environment. The following error always occurs when I download the SDK: [Java] view plainCopy Failed to fetch

  I have been in touch with Android for some time. I always thought that the entrance of the android program is the activity specified in the configuration file. I recently read an open-source project and found that the Android Application

Pay attention to android Application Security and pay attention to the android signature mechanism. We usually use eclipse to directly sign and do not understand the signature process mechanism. Let's get to know about it today. Android signatures

MainActivity is as follows: Package c. c; import java. io. file; import java. io. IOException; import android. app. activity; import android. content. pm. activityInfo; import android. hardware. camera; import android. media. mediaRecorder; import

1.1 makefile helloworld MakefileThe rules are as follows: Target...: prerequisites... Command ...... Target can be a target File, an Object File (such as helloworld. obj), an execution File, and a tag. Prerequisites is the file or target required to

You can decompress the zip files that contain subdirectories. /*** Decompression function. * decompress the zipFile file to the folderPath directory. * @ throws Exception */public int upZipFile (File zipFile, String folderPath) throws ZipException,

　　Reading directory I. Toast 　　II. Implementation steps I. Toast Toast is the object of the Android-specific prompt information. It is very simple to use, but has a wide range of uses. Toast is a short message, the information to be told is

// Obtain the screen density (method 1) int screenWidth = getWindowManager (). getdefadisplay display (). getWidth (); // screen width (pixels, for example, 480px) int screenHeight = getWindowManager (). getdefadisplay display (). getHeight (); //