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-tomcat7, I took a look at tomcat, it is found that there is a file web under conf under th
Decompression on the phone on a Windows compressed file, found that Chinese is garbled, the solution is as follows: Find the System.zip.pas file will e: = tencoding.getencoding (437);Instead of E: = tencoding.getencoding (936); After saving the new multiplatform project, adding this file and recompiling, compiling this project, SYSTEM.ZIP.DCU and System.zip.so two files, respectively covering to the installation directory of Delphi \lib\android\releas
PrefaceThis article is mainly through the introduction if the Android Studio installed when the solution of the package errors and ideas, the award of the Mermaid than the grant of fish.Environment:
Operating system: Windows 7 SP1
Android Build Environment: Android Studio 2.3.1
jdk:jdk1.8.0_102
Error:Gradle sync Failed:Cause:error in opening
Recently need to compress the output files, understand the next Android compression function, the source code is as follows:Activity invocation:Try { ziputil2.zip (Exportpath, Exportpath+ ". zip"); Catch (Exception e) { // TODO auto-generated catch block e.printstacktrace (); } Compression class Prototypes: Package
Error:Failed to complete Gradle executionCause:error in opening zip file.Reason:Installation Gradle failure, often is the need to verify the Internet or Internet access rights have not been caused;Solve:1. Delete the original residual information firstRM-RF ~/.gradle ~/androidstudioprojects/.gradle2. Check the network configuration, ensure normal Internet access, Android Stadio Agent Internet configuration
Download and decompress the Zip file based on Android, and update the simple help class of the UI
Download file:
/*** Download File ** @ param down_url * @ param output * @ param tmpDir */private void download (String down_url, File output, File tmpDir) {InputStream inputStream = null; outputStream outputStream = null; File tmp = null; int down_step = 1; // prompt step int totalSize = 0; int downloadCount
The development process used a ZIP compression package, wrote a tool class, the class can be implemented to compress the string directly into the ZIP format, eliminating the need to write to the file to compress the steps:/** * * @author shx * Compression and Decompression tool * */public class Ziputil {/** * compression method * @param str to compress the string * @param path PATH * @throws Ioexce ption */
upyunaddress) {//If the picture has been uploaded, it should not be uploaded if (textutils. IsEmpty(Picture. GetSource())) {try {//Use another tool class provided by the cloud, upload image S Tring Path = Upyunutil. Uploadimage(Upyunaddress, picture. Getlocalurl());Gets the final URL of String FinalURL = upyunaddress. Getprefix() + Path;Picture. SetSource(FinalURL);} catch (Exception e) {E. Printstacktrace();}} return picture;} }). Subscribeon(schedulers. IO()). Observeon(android
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
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