how to get back deleted pictures from sd card

For example, this requirement is not a complicated process, but there are some hidden risks. I recently encountered this problem in the project, I made a small research on Android's image acquisition through a camera or album and finally displayed on the interface. Now I will describe some results and the attached demo as follows: Anyone who has done similar requirements knows that the camera can be started through the following code in the activity, and then the returned photo data can be obtai

The Android system is a Linux system, and we can use the Linux command Mouunt to get a Linux mount directory. The directory that the obtains from the command I did not traverse, and if you still cannot get it, you can iterate through all the directories that the mount has been to. filesdcard; @SuppressLint ("Sdcardpath") publicfilegetsdcardfile () { if (sdcard!=null) { returnsdcard; } List However, th

.txt"); FileOutputStream Fos=Newfileoutputstream (file); Fos.write (Content.getbytes ()); Fos.flush (); Fos.close (); } Catch(Exception e) {e.printstacktrace (); } }In android2.1 and previous versions, its sdcard directory became/mnt/sdcard in the root directory, 2.2, and 2.3 after its sdcard directory, as well as some manufacturers ' custom Android systems, It may also change the name of the SDcard. If you still use absolute path, the compatibility of the program

recover the photos on the camera memory card, the detailed steps are as follows:1, download and install the "Le Isia digital Photo Recovery" software.Http://www.lyj-soft.com/download/downphoto.html2. Connect your camera memory card to your computer using a card reader.3, run the "Le Isia digital Photo Recovery" software, the following interface appears.If your m

Step one: Turn on your computer's data-dog data recovery software, enter the main interface of the software, select the "delete recovery" mode, as shown in the following figure. The second step: in the Region 1 selected SD card, click on the Region 2 key to enter the data recovery progress bar. Step three: Wait for the data scan progress bar to reach 100%, as shown in the following

Recommended * * * Some unnecessary junk files:Get rid of the folders you don't know, you can save space and ensure software stability, you know such as camera, Ringtones, Recorder, Photo, Music, Backup, video retentionI just kept the 7 personal-related folders, the rest of the files are all lost, rest assured, very safeInexplicable lag, restart, the crash is often hidden under the SD card some software remn

Code used in this blog: http://download.csdn.net/detail/king_bingge/5739167 I haven't written a blog for several days, and I 've been busy with the opening Cup for the past few days. Due to some inharmonious factors, I started preparing for today's opening Cup reply yesterday. Although I don't know what the result is, however, I personally feel that there are still some innovative ideas, that is, the primary judges and teachers are dragging on to our consumption object and no longer think about

1 byte[] bytes = DECODEIMAGSTR (imgstring);//using Base64 to decode a picture2 if(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {//Check the status of the SD card3String pathdir= environment.getexternalstoragedirectory () + constantsforfile.tmp_file_directory;//set File storage directory4String Picname =NewDate (). GetTime () + ". jpg";5File Dirfile =NewFile (pathdir);6 if(!dirfile.exists ()) dirfile.m

/** * Save Bitmap to a file. Saves the picture to the SD card. * * @param bitmap * @param file * @return error message if the saving is failed. Null if the saving is * successful. * @throws IOException */public static void Savebitmaptofile (Bitmap Bitmap, String _file) throws Ioexcep tion {//_file = /** * Get SDK Path * @return */public static String Getsdpat

Android obtains all pictures, video thumbnails, and album covers on the SD card.Query Images First, query the inherent Android database. The image Uri isImages.Media.EXTERNAL_CONTENT_URI.The following is a specific instance query,FileInfoIs a custom data model. Public ArrayList QueryAllImage (final Context context) {if (context = null) {// judge the validity of the input parameter return null;} Array

First I get the root directory path under the SD card:privatestring Issdcard () { File sdcarddir=null; Boolean issdexist=environment.getexternalstoragestate (). Equals (environment.media_mounted); if (issdexist) { // If there is sdcard, locate the directory sdcarddir= Environment.getexternalstoragedirectory (); return sdcarddir.tostring (); }else { returnnull;}}

A picture upload function needs to provide upload pictures in the SD card path, summed up some of the online columns, modified a bit, the code is very simple, interested friends can refer to ha, I hope to help you Recently in doing a picture upload function, you need to provide upload pictures in the

Recently in doing a picture upload function, you need to provide upload pictures in the SD card path, on the Internet to see some examples, change debugging success, the code is very simple. The layout files are as follows: Copy Code code as follows: Android:layout_width= "Fill_parent" android:layout_height= "Fill_parent" android:orientation=

Get the SD card picture:ccsprite* psprite = ccsprite::create ("/mnt/sdcard/x.png");/mnt/sdcard is the root directory of the SD card, some of the machine is/sdcard, so it is best to use the internal function to obtain the root directory of the

]; Fis.read (buffer); String Res= encodingutils.getstring (buffer, "UTF-8"); Fis.close (); returnRes; } Catch(Exception ex) {ex.printstacktrace (); return NULL; } } Private StaticArraylistgetdevmountlist () {string[] Tosearch=ReadFile("/etc/vold.fstab"). Split (""); ArrayListNewArraylist(); for(inti = 0; i ) { if(Tosearch[i].contains ("Dev_mount")) { if(NewFile (Tosearch[i + 2]). Exists ()) {Out.add (tosearch[i+ 2]); } }

Android_02 _ Get the available capacity of the SD card The sample code is as follows: Package com. itheima. getsdavail; import java. io. file; import android. OS. build; import android. OS. bundle; import android. OS. environment; import android. OS. statFs; import android. app. activity; import android. text. format. formatter; import android. view. menu; impor

Colorstatelist value = new Colorstatelist (states, colors);Seeing Colorstatelist's construction method, we know that to get a colorstatelist, we need to have aInt[][]and a storage colorres.Int[]First look at a very common selector structure of the Color.xmlTo parse such an XML document, use XML parsing library, I use Jsoup, in Androidstudio gradle addCompile ' org.jsoup:jsoup:1.8.2 'You can use this library.Final file Colordir = new file (skindirector

Back to SD card pathpublic static listStorageManager sm = (StorageManager) context.getsystemservice (Context.storage_service);listFile exdirfile = Environment.getexternalstoragedirectory ();String externalstoragedir = "";if (exdirfile! = null) {Externalstoragedir = Exdirfile.getabsolutepath ();}try {String[] paths = (string[]) Sm.getclass (). GetMethod ("getvolumepaths", null). Invoke (SM, null);if (paths!

Need to quickly extract pictures and video thumbnails to directly access Android.provider.MediaStore.Images.Thumbnails And android.provider.MediaStore.Video.Thumbnails These two databases, you can query the thumbnail. How do you judge a document? You can traverse the database by cursor, comparing the value of the Internal_content_uri field, which is a URI that holds the full path to the multimedia file on the Android phone's

That's what we've been getting before.Before Android API18: Fs.getavailableblocks () *fs.getblocksize ()Currently/** gets the system available memory **/@SuppressLint ("Newapi") Private String Getmemfree () {StatFs fs = new StatFs (environment.getdatadirectory (). GetPath ()); return Formatter.formatfilesize (This, (Fs.getavailablebytes ()));} /** gets the SD available memory **/@SuppressLint ("Newapi") Private String Getsdfree () {if (Environment.get