file compressor for android

* "File name:" + f.getname ()* "File is present:" + f.exists ()* "Relative path of File:" + F.getpath ()* "Absolute path of File:" + F.getabsolutepath ()* "file can read:" + f.canread ()* "File can be written:" + F.canwrite ()* "

each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user manually send intent, so the

Steps1Get the path to the SD cardFile root =environment.getexternalstoragedirectory ();2Determine the path to the file to be writtenString path =root.getabsolutepath () + "/test2" + "/TEST3";3and turn the path into file.File file =new file (path);4 Creating a DirectoryFile.mkdir ();5 write the specified file in the spe

First assume developing A, and develop B, using SVN for project management. So a how can a lock file, prevent B modification.1, the first step, to the file lockComplete this step, then the file will not be locked.2, the second step, if B to the file modified a few lines of code, and then commit Development B commit fai

each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user manually send intent, so the

Each time through the output stream to the SD card to write files, connected to the computer, using MTP to simulate a mobile disk, open the disk but there is no such a file, and the way to see through the ADB, the cause of this phenomenon is that after each write, the MTP database is not updated, Because the update of the MTP database requires a large price ratio, so only in the restart, mount and the user manually send intent, so the

============ Problem Description ============Because learning needs to look at the old Luo's video about the data stored in the SD card to write the part of the file to almost completely comply with the knock code results on the pad test and expected to have a difference originally should be stored in the SD card file results ran to the pad to bring in memory go ...And then I tried to write the path directl

" Android: layout_height = "wrap_content"> Android: id = "@ + id/btn_login" Android: layout_marginLeft = "0dp" Android: layout_width = "wrap_content" Android: layout_height = "wrap_content" Android: text = "@ string/text_login"/>

The obfuscation configuration file in the Eclipse project is copied to the as in the confusing process that prompts the following errorSolution:Delete the from -libraryjars libs/***.jar your Proguard-rules.pro file.The reason is that the Build.gradle file is configured withdependencies {Compile filetree (include: ' *.jar ', dir: ' Libs ')}Inside has been added jar package, confused

One. Take the compiled. So library to the Android project, note that the folder structure can not be changed. Otherwise, the load library will appear to be unable to find the problem. The engineering drawing is shown in the following illustration: Two. Load a static library file in a Java file Note the static library load name, remove prefix lib and suffix.

1. init.rc File StructureFile Location:init.c:/system/core/initinit.rc:/system/core/rootdirFirst, the init.rc file is in modules, each module content is executed together, the module is divided into 3 types: on, service,Import. we can look at how the Init.rc file is written:1.Import Import/init.usb.rc Import/init.${ro.hardware}.rc Import/init.trace.rc The above

How to create a third-party database for Android software development and how to read a database from a file Original by Yu Song MomoArticleIf you reprint it, please note: Reprinted to my independent domain name blogYusong Momo program Research Institute, Original address: http://www.xuanyusong.com/archives/199 I haven't updated my blog on the android