how to extract files on android

Android log printing LogUtils can locate the class name, method name, and number of lines with errors, and save log files. 　　During development, we often use the log printing method to debug our applications. In Java, we often use the System. out. println () method to print logs on the console for debugging. Android has a dedicated Log class to print logs in the

About jni compiling 32-bit and 64-bit dynamic libraries (Android. mk and Application. mk files), jniapplication. mk The latest new project needs to compile a 64-bit dynamic library, which records how to configure it. Add the Android. mk and Application. mk files to the jni directory. Application. mk 1 APP_ABI := ar

InAndroidProjectFolderThe main resource files are stored in res.FolderThe following describesFunctionFor more information, seeAndroidProjectFolderThe main resource files are stored in res.FolderInside1: assetsFolderIs to store native files without compilation and processing, that is,FolderThe files in are not like xml,

You need to operate doc, xls, PPT, docx... 07 files, and PDF files on Android. After searching, there are still a lot of open-source projects, which are randomly listed as follows: Two relatively large, 1. Apache poi After using this operation, I don't know why the file cannot be opened. In addition, the 3.6 API is really messy, and you have to be patient. Packa

: Describes what the query results are sorted by. Above is the meaning of each parameter, it returns the query results a cursor, the cursor is equivalent to the database query result, usage and it is similar. --------------------------------------------------------------------------------------------------------------- ---- Add the code as follows: Contentvalues values = new Contentvalues (); Values.put (mediastore.audio.playlists.members.play_order,0); Resolver.insert (_uri, values); This inser

Modify common parameters of build. Prop files in Android Rom Modify common parameters of build. Prop files in Android Rom /System/build. Prop File Build. Prop is an attribute file. In Android, The. Prop file is very important and records system settings and changes, similar

In the previous article, I introduced how to query the multimedia files in the sdcard in the program and display them in the playlist. However, if you delete or add some multimedia files in the sdcard, how can I update the playlist? Here I will share some of my solutions in the project, hoping to help you. First of all, I will briefly introduce how Android scans

(To) http://blog.csdn.net/fontlose/article/details/6686161 Files under the Assets Directory will be packaged into an APK file. These resources are not extracted during installation and are directly read from the APK during use. This section describes how to use the interface functions provided by ndk in JNI to read assets resource files and libzip library functions, which can be used to read creation, modif

First, use the Pull parser to read XML files In addition to using SAX or DOM to parse XML files, you can also use the Android built-in pull parser to parse XML files. The pull parser is an Open-source Java project that can be used for both Android and Java EE. If you need t

upload files in this way, which is inefficient and difficult to use, so I did not go into the specific code and principles, but the code I provided is feasible. Let's start by uploading images to the server in PHP browser, then we will explain how android uploads and how android parameters are constructed.1. upload images to the PHP server through the web page F

development languages, these languages have weak logic, better structure, better readability, and easier understanding. They are also very friendly to automation tools and can be combined with drag-and-drop configurations on the interface. Such a strip can be independent of the underlying logic and the upper-layer interface, or even different personnel development (This point should be obvious in Web development ...), the coupling between the two is very small, and the coder's burden is suddenl

In the Android project folder, the main resource files are in the Res folder. 1:assets folder is stored without compiling the original file, that is, the folder inside the file will not be like Xml,java file is precompiled, you can store some pictures, Html,js, CSS and other documents. Introduction to the 2:res folders inside multiple folders Res/anim/xml files

Android XMl parsing magic xstream 4: parse complex xml files into objects, androidxstream For more information about xstream, see: Android XMl parsing magic xstream 1: parse the aa. xml file in the asset folder of the android Project Android XMl parsing magic xstream 2: Conv

Android uses the open-source project Xutils to download files with multiple threads #2 UI implementation in layout files #3. Implement code functions in mainactivity Package com. wzw. downloaddemo; import java. io. file; import com. lidroid. xutils. httpUtils; import com. lidroid. xutils. exception. httpException; import