how to unzip 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,

: 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

Android File Private Storage First, the internal storage path is/data/data/youpackagename/, and the paths explained below are based on your own application's internal storage path. Files saved in all internal stores are deleted when the user unloads the application.First, Files1. Context.getfilesdir (), the method returns the/data/data/youpackagename/files fi

The android.apk file is actually a zip file that can be opened directly with WinRAR. As shown in: Includes a META-INF directory A res directory An androidmanifest. xml A classes. Dex Androidmanifest. XML must be defined and contained by each application. It describes the application name, version, permission, referenced library file, and other information. For example, to upload an APK to Google market, configure the XML file. META-INF directory The META-INF directory stores signature informa

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

the document, the result is still tragic! I went on to the Internet and found an article about the scalability. I didn't need to modify any source files, but only one script file. I re-installed a Ubuntu system in a virtual machine, go Reference: Http://www.cnblogs.com/scottwong/archive/2010/12/17/1909455.html Porting environment: Ubuntu 11.04 32-bit Android ndk r4b FFmpeg 0.6.3 The script has been c

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

error.One of my gut thoughts is to create a shared project3 that is dedicated to storing the shared jar package, so the structure becomes this way,? Tree rootRoot├──project1//depends on Project3│└──libs├──project2//depends on Project3│└──libs└──project3└──libs└──abc.jarBut this compilation has caused more "multiple Dex files define" problem, because Project1, project2 because of dependency Project3, in the compilation phase will copy Abc.jar to their

, instead of androiddebugkey! This command will prompt you to enter the KeyStore password and the current alias password.4. Modify Alias's password:keytool -keypasswd -keystore my.keystore -alias androiddebugkeyAfter this step, you will be prompted to enter the KeyStore password, alias password, and then prompt for a new alias password, similarly, according to the rules, change to android!SummarizeThis article describes the signed file forgot Password

This example describes the way to read and write private files in Android programming. Share to everyone for your reference, specific as follows: A private file is a file that the program itself can read, and other programs do not have permission to access, which is saved in the Data.app. Package. File directory. The method of writing a file is simpler: private void WriteFile (string filename, str

We usually need to store large files such as audio and video on our mobile phones. We have learned how to store files (using File Operations) before. Considering the small storage space of mobile phones, at this time, we need to store the files in SDcard. Today we have learned how to store sdcard in android; First, if

save the image as Icon_ca.png (any name except Icon.png) and put it in the default res/drawable/ directory. Then, res/drawable-en-rCA/ create the file in and, and use the res/drawable-fr-rCA/ icon.xml bitmap > element to reference the icon_ca.png resource. This way, you only need to store one version of the PNG file and two small XML files that point to that version. (XML file example below)DrawableTo create a pointer to an existing Drawable alias, u

Unity3d: how to solve the problem when exporting Android apk files? unity3dapk Dog planing Learning Network]This morning, I started to build an unity3d game to the android mobile phone to run it. As a result, I encountered many problems.The first problem encountered was that the following Error was prompted during the build process: Error building Player