Each app is in its own sandbox. You should use one of the standard components for interacting between them -- activity, service, receiver, provider.
On Wed, Jan 12, 2011 at 10:46 AM, John Lussmyer <[email protected]>wrote: > I have an app that needs to be able to pass a set of settings to my Live > Wallpaper. > The Live Wallpaper already saves these in a Shared Preferences file. > I did a bunch of searches, and found a possible way for the app to access > the wallpapers Shared prefs was: > (I've also set both apps to have the same uid in their manifest files.) > > Context context = > this.createPackageContext("com.casadelgato.lifewallpaper", 0); > SharedPreferences wPrefs = > context.getSharedPreferences(Constants.LW_SHARED_PREFS, 0); > Editor editor = wPrefs.edit(); > editor.putBoolean(Constants.PREF_RANDCOLORS, > engine.isRandColors()); > etc... > > When I try, I get: > > 01-12 10:37:20.728: WARN/ApplicationContext(293): Attempt to read > preferences file > /data/data/com.casadelgato.lifewallpaper/shared_prefs/lifewallpapersettings.xml > without permission > 01-12 10:37:20.757: ERROR/ApplicationContext(293): Couldn't rename file > /data/data/com.casadelgato.lifewallpaper/shared_prefs/lifewallpapersettings.xml > to backup file > /data/data/com.casadelgato.lifewallpaper/shared_prefs/lifewallpapersettings.xml.bak > > Am I missing something? Or is this just the wrong way to do it. > > -- > 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
