how to unzip files on android

Debugging Android Apps Today is a problem:Duplicate files copied in APK meta-inf/dependencies file 1:httpmime-4.3.2.jar file 2:httpmime-4.3.2.jarIt seems that two of the package inside the file is repeated or how, Google after a few is said to be the Android studio itself bugWorkaround:Open the Build.gradle file below the project and add the following code to the

I recently started learning Android programming and wrote a small project myself. One requirement is to initialize an SQLite database from a file. That is, I have a file containing a lot of SQL statements. I want my android program to execute this SQL statement and initialize the database when it is started for the first time. However, this SQL statement will not be executed in subsequent executions, it can

Well, I've thought about not moving Android in the future, but I didn't think it was the reason for the game. Many of the problems with Android are due to the imperfections of eclipse, such as the problem encountered today unable to execute Dex:multiple Dex files define[ .-Ten- at -: at: in - Dex Loader] unableTo execute Dex: multipledex

Multiple XML files are often used in Android, but Setcontentview (r.layout.main) used in mainactivity Load only the Main.xml file, other XML files are not loaded into the current view, when we want to use the control in other XML files is found to use the Findviewbyid () method without error, but the value of the contr

The file header in AMR format is 6 bytes, and the file header is subtracted from files other than the first file when the file is merged. Here are a few ways to merge files, and combine AMR files to illustrate the process of merging files.Note: The file header of different files is not the same, so when merging, the fi

This week was a problem for a few nights, that is to read the file in Android, this is a very simple thing, can imagine always good. 1. Reading files on the computer the first thing to solve is to read the files on the computer, this is not difficult, a bunch of information on the web. Like what: static string loadfil

Sharing a file (shared files)This series of articles in my study of Google Developer documentation combined with Google translation and their own understanding of the writing, I hope to learn Android development friends bring some convenience, due to the limited level of personal translation, so the content contains the original text and translation, I hope that the browser combined understanding, so as not

In short: The problem is that the jar package is repeatedly conflicting!At the beginning of this question I came up with a "self-righteous" answer, in the Android Private Libraries folder is packaged into the project executable, but not self-compiled because the Libs the following jar file is too large, But apparently in the execution of the time, the direct error--class not found!So obviously that's not the problem!Actually, it is. There is a

Link: http://blog.csdn.net/wuxianglong/article/details/6335683 In many cases, we need to access the resource files in Android. These resource files are mainly divided into two types, these files are not compressed when they are packaged into APK files; the other is

Introduction and use of Android resource files 1. Resource introduction:Defined in the res Directory: strings, colors, arrays, menus, images, videos, etc.; use these resources in applications;2. advantages of using resources: reduces the amount of code and facilitates later maintenance;3. Resource types:Directory resource type descriptionRes/anim xml animation information, frame animation or this complement

Have not understood the specific role of some files in the development of Android, and later used, the specific study, a reference to the information on the Internet, the final summary, easy to view later!The old version of a file default.properties, since it is the old version, has been eliminated, no longer delve into.While the new version of ADT creates the project, the mixed-code

(s ,"");} Catch (Exception e ){E. printStackTrace ();}} Orz, did you find anything? By the way, these two functions have nothing to do with Android ..So they can also be used in other standard java programs.In Android, compared to reading and writing strings only and parsing them themselves, or saving the configuration with xml,Properties is simpler and more intuitive, because self-parsing requires a lot o

a summary of reading and writing methods for Android phone files in memory This article mainly introduces the Android phone in memory file reading and writing methods, the example summarizes the Android for file read and write operation of the relevant skills, very practical value, the need for Friends can refer to:

This article illustrates how Android programming uses HTTP protocol and TCP protocol to upload files. Share to everyone for your reference, specific as follows: There are two ways to upload files to Android, the first is based on the HTTP protocol httpurlconnection, and the second is the socket based on the TCP protoc

These two days encounter a little problem, make a record:Symptom: Run, debug when reported: Unable to execute dex:multiple Dex files define error, after the release of the app installed to the phone after the run, prompted: "Program name has been stopped";Workaround:1, Project->properties->java build Path->order and Export, remove: Android 4.3.1 and Android-suppo

Recently, I decomcompiled several Android software and found some resource files that were not used before:IDs. xml -- provides a unique resource ID for application-related resources. ID is a parameter required to obtain objects in XML, that is, id_name in object = findviewbyid (R. Id. id_name. These values can be referenced by Android. R. ID in the code.If IDs a

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

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