Be sure you are requesting the WRITE_SDCARD permission, which is needed for an application to be able to modify data in the SD card.
On Fri, Dec 4, 2009 at 3:56 AM, KK <[email protected]>wrote: > Hi, > > I am very new to Android. I am trying the following code in the > android ndk. > > FILE* fp = fopen("/sdcard/test", "wb") > if(NULL == fp) > { > return errno; > } > int written = fwrite("Test", 1, 4, fp); > if(4 != written) > { > return -1; > } > fclose(fp); > > return 0; > > I am trying this on emulator and I have created and sdcard for the > emulator. The function returns 0. When I check the sdcard, a file with > the name is created, but it is empty. Can anyone please help me on > this? > > Thanks in advance > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

