The system process can not access the SD card, period. And any questions about code in there should be on android-porting, thanks.
On Wed, Dec 2, 2009 at 5:14 PM, Tan <[email protected]> wrote: > Hi all > > I have the same problem, the code writes to emulator even if there is > no permission and does not write to SD card even if there is > permission WRITE_EXTERNAL_STORAGE. If it is not possible to write in > system process then how can i modify my code? Here is the snippet > that > writes stuff > File directory = new File(Environment.getExternalStorageDirectory > ().getPath() , "fingerprint_UC_basement"); > if (!directory.exists()) { > directory.mkdir(); > } > File file = new File(directory.getPath() , > filename); > if (!file.exists() && directory.exists()){ > try { > file.createNewFile(); > FileOutputStream fo = new > FileOutputStream(filename); > String a = "Size: " + APs.size(); > fo.write(a.getBytes()); > for(int i=0; i< APs.size(); i++){ > String b = APs.get(i).getBSSID() + " > " > + APs.get(i).getdBm() + " " + APs.get(i).getCount(); > fo.write(b.getBytes()); > } > fo.close(); > } catch (IOException e) { > Log.d(TAG,"File creation failed > for > " + file); > } > } > > > > Someone also pointed out that its not possible to write to SD card > through System process, we have to run a separate service for that. > Can anyone verify that? Thanks > > Tan > > > On Nov 12, 11:43 am, lei <[email protected]> wrote: > > Thanks, Mark. It's solved. The permission of WRITE_EXTERNAL_STORAGE is > > required in Android SDK1.6, > > also I find a link describe it: > http://developer.android.com/sdk/android-1.6.html > > > > On Nov 12, 3:44 pm, Mark Murphy <[email protected]> wrote: > > > > > > > > > lei wrote: > > > > I find thefilethat path to Environment.getExternalStorageDirectory() > > > > is not writable, how could I change it? > > > > > Make sure your app has the WRITE_EXTERNAL_STORAGE permission. > > > > > -- > > > Mark Murphy (a Commons Guy)http://commonsware.com| > http://twitter.com/commonsguy > > > > > Android Training in Germany, 18-22 January 2010: > http://bignerdranch.com > > -- > 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
