delete junk files on android

1. Because you need to delete files, you need the following permissions: 2. Core code [Java]Package com. example. deleteyoumi;Import java. io. File;Import android. OS. Bundle;Import android. OS. Handler;Import android. OS. Message;Import

] = = '. ') | |(Name_len = = 2 de_src->d_name[0] = = '. ' de_src->d_name[1] = = '. ')) {Continue}else {src dir path Append the folder ' s D_namesprintf (Src_file_path, "%s/%s", Src_dir_path, De_src->d_name);printf ("src dir path:%s\n", Src_file_path);Des dir path Append the folder ' s D_namesprintf (Des_file_path, "%s/%s", Des_dir_path, De_src->d_name);printf ("Des dir path:%s\n", Des_file_path);printf ("---entry sub dir to restore\n");ret = Restore_dir_file (Des_file_path, Src_file_path);prin

. activity;Import Android. OS. Bundle;Public class mainactivity extends activity {/** Called when the activity is first created .*/@ OverridePublic void oncreate (bundle savedinstancestate ){Super. oncreate (savedinstancestate );Setcontentview (R. layout. Main );}} We use Android-apktool to decompile this APK. For the use of Android-apktool, I will not do much tr

, so is the Volume amplification key +9. Auto-fill path: For example, the path is/usr/bin/autostart.sh Then the input/usr/bin/aut press TAB to be able to complement all/usr/bin/autostart.sh This will make it impossible to enter the garbled characters automatically fill up . Step Poly: 1, open the terminal with ls command to see the file name to be deleted Ls-a file path -A indicates that hidden files are displayed Eg:ls-a/etc/ 2 .

; /** * Converts word to an HTML file and gets the HTML file code. * @param docfile documents that need to be converted * @param the filepath of a picture in a document * @return conversion successful HTML code/public static String tohtmlstring (File Docfile, String filepath) {//Convert Word document file Htmlfile = CONVERT (docfile, filepath); System.out.println (Htmlfile.getabsolutepath ()); Gets the HTML file stream StringBuffer HTMLSB = new StringBuffer (); try {bufferedreader br = new B

We know that data interaction between two Android applications requires contentprovider, which is usually a database operation.Today, the project needs to use the contentprovider of Android to interact with files on the normal SD card, so I wrote this small example:Androidmanifest. xml Testcontentprovider. Java Package COM. h3C. test; import Java. io. file; impo

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

The SD card uses a fat (File Allocation Table) file system and does not support access mode and permission control. The SD card is suitable for storing large-sized files or files without the need to set access permissions.Android simulators support SD card, but the simulator does not have the default SD card. Developers must manually add the SD card image file to the simulator.To read/write SD card

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

1. Because you need to delete files, you need the following permissions: 2. Core code Package COM. example. deleteyoumi; import Java. io. file; import android. OS. bundle; import android. OS. handler; import android. OS. message; import

the public files to the external store: Copy Code code as follows: Public File Getalbumstoragedir (String albumname) { Get user's public picture directory File File = new file (Environment.getexternalstoragepublicdirectory ( environment.directory_pictures), albumname); if (!file.mkdirs ()) { LOG.E (Log_tag, "Directory not created"); } return file; } 2. Proprietary files