how to get back deleted pictures from sd card

Public long getsdtotalsize () {/* Gets the memory card path */File sdcarddir= environment.getexternalstoragedirectory (); /*statfs See File system space Usage */StatFs statfs=new StatFs (Sdcarddir.getpath ()); Long blocksize= Statfs.getblocksizelong (); Long Totalsize=statfs.getblockcountlong (); return blocksize*totalsize;} /** * Get the remaining capacity of

Get the network image (Bitmap) to the memory or SD card, /*** Get the network image ** Note: *

ImportJava.io.File;ImportAndroid.os.Build;ImportAndroid.os.Bundle;Importandroid.os.Environment;ImportAndroid.os.StatFs;Importandroid.app.Activity;ImportAndroid.text.format.Formatter;ImportAndroid.view.Menu;ImportAndroid.widget.TextView; Public classMainactivityextendsActivity {@Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_main); File Path=environment.getexternalstoragedirectory (); StatFs Stat=

/acct cgroup rw,relatime,cpuacct 0 008-01 12:42:50.790:i/system.out (19890): tmpfs/mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 008-01 12:42:50.790:i/system.out (19890): Tmpfs/mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 008-01 12:42:50.790:i/system.out (19890): None/dev/cpuctl cgroup rw,relatime,cpu 0 008-01 12:42:50.790:i/system.out (19890):/dev/block/mmcblk0p13/system ext4 ro,relatime,barrier=1,data=ordered 0 008-01 12:42:50.795:i/system.out (19890):/dev/block/mmcblk0p3/efs ext4 Rw,nosuid,

Get the total space and free space of the SD cardFile path = Environment.getexternalstoragedirectory (); StatFs stat = new StatFs (Path.getpath ()); Long blockSize = Stat.getblocksize (); Long totalblocks = Stat.getblockcount (); Long availableblocks = Stat.getavailableblocks (); Long totalsize = Totalblocks * Blocksize;long availsize = AvailableBlock S * blockSize; String totalstr = Formatter.formatfilesiz