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Can Not Push File Into Sdcard In Android

permission of sdcard is d--- how can we change the permission of sdcard to read particular file into sdcard ?

Solution 1:

inside menifest tag of menifest file add this permission

<uses-permissionandroid:name="android.permission.WRITE_EXTERNAL_STORAGE" />

Solution 2:

What does "read particular file into sdcard" mean? Are you trying to read a file, or write a file to the SD Card. As @Sunil says, you must have your permissions set if you are trying to write.

Solution 3:

First you check the emulator.

Go to Window-->Android virtual Device manager-->Edit->Hardware->new->SD Card support-->yes.

Next, check the permission.

Select DDMS-->File Explorer-->mnt-->sdcard (Check permissions) If permission is d---------.

Next you start the command prompt. ctrl+r ==> then write some commands to Command prompt.

adb shell

su

mount -o rw,remount rootfs /

chmod 777 /mnt/sdcard

That's all

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