read corrupted sd card

Android parses the APK file on the SD card public void parseApk(Context context, String apkFilePath){ PackageManager packageManager = context.getPackageManager(); PackageInfo packageInfo = packageManager.getPackageArchiveInfo(apkFilePath, 0); if(packageInfo != null){ packageInfo.applicationInfo.sourceDir = apkFilePath; packageInfo.applicationInfo.publicSourceDir = apkFilePath;

code: (the source code of this class is quite a lot. Please be patient) Package COM. andyidea. imagedemo; import Java. io. file; import Java. util. arraylist; import Java. util. list; import android. app. activity; import android. content. context; import android. content. res. typedarray; import android. graphics. bitmap; import android. graphics. bitmapfactory; import android.net. uri; import android. OS. bundle; import android. OS. environment; import android. util. log; import android. view

static final int least_size_of_sdcard = ten * MB; /** get picture from cache **/public static Bitmap getImage (final string imageUrl) {final string path = Getcachedirectory () + "/" + converturltofilename (IMAGEURL); LOG.I (TAG, "GetImage filepath:" + path); LOG.I (TAG, "GetImage URL:" + URL); File File = new file (path); if (file.exists ()) {//LOG.I (TAG, "GetImage file exists"); Bitmap bmp = null; try {//width becomes 1/3 of the original. High also becomes 1/3

The Android program function Copies files in the assets folder to the SD card (including subfolders) of the mobile phone and androidassets. Recently, the function is to copy all files (including sub-files) in the asset folder to the specified directory. The method used is nothing more than AssetManager. However, the problem here is that both subfolders and subfolders must be copied. I went to Google on the

Recently, I have an i9000 Android mobile phone with 16 GB memory and no SD card. How can I download it?ProgramTo the memory and then install it? I started one program a to download another program B. The Downloaded Program B can only be saved in the installation directory of program a ("/data//"), you are not authorized to save the settings elsewhere. You cannot obtain the input/output stream. However, wh

Read the SD card file information and add it to the listview to display it: Listview obtains the information of the SD FileCode: List Draw different images based on filetype:

I always thought that the automatic mounting of Android SD card is implemented in Vold, and its configuration file is easily found on the Internet which is system/etc/vold. in fstab, the configuration file is Mount, which is generally as follows: Dev_mount sdcard/mnt/sdcard 3/devices/platform/sc65-sdhci.0/mmc_host/mmc0/mmc0: 0001/block/mmcblk0 nonremovable, encryptable For android4.0.3, the automatic

Keywords: Disk Partitions become read-only, file recording, and FAT32 1. read/write is changed to a single thread, that is, all the operations for writing SD card videos are concentrated in one thread. 2. Execute Disk Synchronization every 2 m io writes to release the cache to prevent malloc large memory failure.3

I often see posts about Software Encryption in the forum. Pure Software Encryption and read hardware serial number encryption are often discussed. Both methods have their own advantages and disadvantages. The method of encryption by reading the hardware serial number is limited by hardware. Generally, the CPU and T-flash may have serial numbers. Today, I have studied how to read the

Android parses the APK file on the SD card and android parses the sdapk public void parseApk(Context context, String apkFilePath){ PackageManager packageManager = context.getPackageManager(); PackageInfo packageInfo = packageManager.getPackageArchiveInfo(apkFilePath, 0); if(packageInfo != null){ packageInfo.applicationInfo.sourceDir = apkFilePath; packageInfo.applicationInfo.publicSo

Tag:android database private void Copydbtosdcrad () {String database_name = "Database file name"; String OldPath = "data/data/com.packagename/databases/" + database_name; String NewPath = environment.getexternalstoragedirectory () + File.separator + database_name;copyfile (OldPath, NewPath) ;} /** * Copy a single file * * @param oldpath * String Original file path * @param newpath * string after copy path * @return Boolean */ public static void CopyFile (String oldpath, String newpath) {Try{in

two different ways:First, the window interface operation1. Open DDMS page2. Open the File Explorer page, if not, at window---Show View-->file Explorer3, generally in mnt--sdcard4. In SDcard, click on the destination folder where you want to put the file, such as mp3 folder5, click on the folder, on the right side of the File Explorer page, there are two icons, one is pull, one is Push,pull will be mp3 inside the file pulled out, push is the outside, such as the files on the hard drive into the M

Package COM. yzxy. tool; import Java. io. bufferedinputstream; import Java. io. bufferedoutputstream; import Java. io. file; import Java. io. fileinputstream; import Java. io. filenotfoundexception; import Java. io. fileoutputstream; import Java. io. ioexception; import Java. io. inputstream; import Java. io. outputstream; import android. graphics. bitmap; import android. graphics. bitmapfactory; import android. OS. environment; Public Class fileutils {private string sdcardroot; private string s

Android-system information (memory, cpu, SD card, power, Version)The total memory size of memory (ram) android is stored in the system's/proc/meminfo file. You can read this file to obtain this information: copy the code public void getTotalMemory () {String str1 = "/proc/meminfo"; String str2 = ""; try {FileReader fr = new FileReader (str1); BufferedReader local

. uri; import android. OS. bundle; import android. provider. mediastore;/*** @ classname: androidtestactivity * @ Description: Set a background music for this activity. * @ author jogging Android * @ date 2011-11-22 04:12:00 */public class Andro Idtestactivity extends activity {private mediaplayer; private final URI musictableforsd = mediastore. audio. media. external_content_uri; private final string musictitle = mediastore. audio. audiocolumns. title; private final string musicid = mediastore.

/* *************************************************************************** * RPi 2B SD read-only Filesytem * Description: * Sometimes I often want to toss the Raspberry Pi file system, such as with the Ubuntu-core, busybox file * system, often encounter the SD card is in the

", Toast.length_short). Show (); } } Public voidBt8 (View v) {if(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {Try{String path=getexternalfilesdir ("Music"). Getcanonicalpath () + "/test.txt"; FileInputStream FIS=NewFileInputStream (path); byte[]b=New byte[1024]; inti; String SS=""; while((I=fis.read (b)) >0) {SS+=NewString (b,0, i); } toast.maketext (mainactivity. This, "File contents" +SS, Toast.length_short). Show (); Fis.close (); }

FAT file system The fat file system in elua uses a good fatfs file package from elm Chan. It can process fat12, fat16, and FAT32 file systems in read/write mode. In addition, it packages many functions in the form of encapsulation. Like the ROM file system, it is also integrated with the C library, so similar POSIX operations can control the file system, or use the Lua Io module. Elua adds a platform abstraction layer on top of fatfs so that it can b

When Android is developed, you will encounter the following scenarios I want the application to download to the root of the current application, not the SD card This file can then be accessed by the application or other application at any time, with permissions that are read globally File writes can be made using the context's local file output stream at this t

= edtfilecontent. gettext (). tostring ();Try {Filecontent = service. Read (filename );Edtfilecontent. settext (filecontent );Toast. maketext (getapplicationcontext (), String. readsuccess, Toast. length_long). Show ();}Catch (exception e ){Toast. maketext (getapplicationcontext (), String. readfail + "," + E. tostring (), Toast. length_long). Show ();}}}Private final class sdwriteonclicklistener implements view. onclicklistener { Public void onclick