app for zip files android

You do not need to decompress the package and directly read the specified file in the ZIP file. For example, the file/sdcard/a.zipcontains the file z.txt. The read procedure is as follows: int zfd = zip_open("/sdcard/a.zip/z.txt");if (ZIP_IS_VALID(zfd)) {zip_seek(zfd, 5, SEEK_SET);zip_read(zfd, buf, 10);zip_close(zfd);} 1. dependent on zipfilero. h In Android framework, which must be compiled in the

Some time ago, the company developed the javaee project and the website provided download for Android applications. The results showed that the APK files downloaded by many 3G online users were changed to zip files, but the database is stored in the APK file path, recently cannot be understood, our company uses apache-

1. Error message:03-31 16:48:43.740:info/activitymanager: Start proc Com.android.packageinstaller for activity com.android.packageinstaller/. packageinstalleractivity:pid=620 uid=10026 gids={}03-31 16:48:44.749:warn/zipro (620): Unable to open zip '/data/data/ com.my.app/cache/myapp.apk ': Permission denied03-31 16:48:44.749:debug/asset (620): Failed to open Zip archive '/data/ data/com.my.app/cache/myapp.a

This paper illustrates the method of compressing and decompressing the zip file with Android. Share to everyone for your reference. Specifically as follows: Dirtraversal.java is as follows: Package com.once; Import Java.io.File; Import java.util.ArrayList; Import java.util.LinkedList; /** * Folder Traversal * @author Once * * */public class Dirtraversal {//no recursion public static linkedlist The

[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 As long as it is an APP that requires online data retrieval, cache

============ Problem Description ============After Android installs the app, can you get the files in the Meta-inf directory of the package?After installing the app on the phone and then opening the app, does the SDK in the app ha

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

Today, when I wrote the program, my Android Studio suddenly compiled the error (the error is as follows:) and then after my several times to find out that every time you have to clear project and then build on it, if you build the second time to error. Then I found the strongest teacher (Google) to try to solve! Unfortunately, what I see on Google is the solution on eclipse. Didn't find the answer I wanted, do I have to clear project every time I buil

Android files saved to the app and SD card

Java.lang.unsatisfiedlinkerror:dalvik.system.pathclassloader[dexpathlist[[zip file "/ data/app/Project Package name -2/base.apk ", zip file"/data/app/Project package name -2/split_lib_dependencies_apk.apk ", zip file"/data/app/Pro

Use Xarain to download the forms program for the first time, prompting for errors.C:\Program Files (x86) \msbuild\xamarin\android\xamarin.android.common.targets (236,2): Error xa5208:download failed. Download Https://dl-ssl.google.com/android/repository/support_r19.0.1.zip and put it to the C:\Users\Admin\ appdata\loca

filtered getname () The string returned whether there is ". /”：2, dynamic link library file libdolphin.so, and is not placed in the Application Data Lib directory, but placed in the files directory:The place where the load is used is the searchredirector in the Com.dolphin.browser.search.redirect package:The app uses System.load () to load libdolphin.so instead of system.loadlibrary (), in

filtered getname () The string returned whether there is ". /”：2, dynamic link library file libdolphin.so, and is not placed in the Application Data Lib directory, but placed in the files directory:The place where the load is used is the searchredirector in the Com.dolphin.browser.search.redirect package:The app uses System.load () to load libdolphin.so instead of system.loadlibrary (), in

Here I will talk about the skin replacement method of moji weather, but first I declare that I just used reverse compilation and some other online materials to deduce the skin replacement principle. Here I will only give a reference. if you have a better way, please contact us. The downloaded skin of moji weather is a zip compressed package. During the application, the skin resources are released to the directory of the moji weather application, when

Independent of the system app in the android source code, developed like a common app, Android appI personally recommend that you first import the formatted xml and import in the ide/eclipse of the android source code to your compiled eclipse. If the

When Java.util.zip.ZipInputStream and Java.util.zip.ZipOutputStream compress and decompress a zip package with a Chinese name file, the following exception is reported: Java.lang.IllegalArgumentExceptionAt Java.util.zip.ZipInputStream.getUTF8String (zipinputstream.java:293)At Java.util.zip.ZipInputStream.readLOC (zipinputstream.java:247)At Java.util.zip.ZipInputStream.getNextEntry (zipinputstream.java:74)At Com.test.ZipTest.unZipAssetSouce (ziptest.ja

Objective:Have done the Android network development know, in the network transmission we generally will turn on GZIP compression, but out of the nature of inquisitive only know how to open can not satisfy my curiosity, so think to write a demo test the more commonly used two data compression method, Gzip/zip compression.First meet the gzip compressionGzip is a website compression acceleration of a technolog

[Android] Android mobile app data to SD, android mobile app [Android] Android mobile app data to SD You can specify it in the menifest fil

); mProgress += byteCount; publishProgress(mProgress);}}} Main ActivityMainActivity. java Package com. johnny. testzipanddownload; import android. OS. bundle; import android. OS. environment; import android. app. activity; import android.

Android encapsulates this approach, and we don't have permission to call it, so we can just go through the aidl and use the Java reflection mechanism to invoke the system-level approach. The following code: (note more detailed) /** * Role:-----Get the size of the package-----* @param context * @param pkgname app's package name * @param appInfo entity class for storing some information about the app/PU