Android :: Updating Our Applicatoin On The Market Deletes The Saved SharedPreferences
Mar 9, 2009
We have an online multiplayer game that saves some login information in the SharedPreferences. Our app is copy protected and everything was going really well until this weekend when we released an update for it. It seems that at least some of the people are having their SharedPreferences deleted when they updated too the new app. As you can imagine our users are furious because they're all loosing their profiles, and our ranking is dropping fast.
We've tried to reproduce this a hundreds ways but are unable. We're wondering if this could be related to installing a copy protected app over a copy protected app? Since that's the only situation we haven't tested and can't test.
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Feb 3, 2010
Why are my SharedPreferences suddenly deleted, after I updated my game in the Market?
Here is the logcat...
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Nov 21, 2009
Does anyone know of a way to clear the saved searches from the aps market screen?
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Jul 25, 2010
Does anyone know where there are directions to install an Apk application saved on the computer but not on the Android market?
I tried HTC sync and it says there was a parser package error.
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Oct 29, 2010
I am having issues with my desire. it wont update to the new android market 2.07 or whatever it is. my wife's desire has updated to the new market but mine hasn't. Does anyone have or know where I could get the apk file?
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Mar 18, 2010
I have released a version 1 on some app in the market. Can anyone tell me how to give an update of it?
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Jan 31, 2009
When I check my apps to update them, all of them say "installed" (aka up to date). For some programs, though, they notify me upon opening them that there is a new version available. How do I update my apps without uninstalling and reinstalling?
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May 29, 2009
I just uploaded a new version of my application to the Android Market and then I choose to upload an update it doesn't update the version number of the app. It is only doing this as of Cupcake.
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Nov 8, 2009
I have uploaded an update for my app on Android Market. And at the same time I have enabled the copy protection of the app. When I downloaded my the update, there was an exception and the app crashed. I had to reinstall it. After reinstall it worked fine...
Exception was: W/zipro ( 1103): Unable to open zip '/data/app-private/...': Permission denied D/asset ( 1103): failed to open Zip archive '/data/app-private/...' W/ResourceType( 1103): No package identifier when getting value for resource number 0x7f090000
Is this a know bug when switching to copy protection? Or is there another reason this error occured?
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Sep 29, 2010
I released an app a few days ago and saw the total & active install count start moving pretty much immediately. However, over the last day or so it seems to have stalled. Judging from the ad metrics from AdMob over the same period though I'm pretty sure it's getting more downloads. Does anyone have any insight on how frequently Google updates these counters on the Developer Console?
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Feb 17, 2009
I have an application published in marketplace and its not updating the active users/number of downloads on the phone display or the developer console. My other application appears to be fine. Anyone else seeing this? Also when the application was uploaded over the weekend there were issues with setting the location targeting. I could not restrict it to US only.
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Aug 1, 2010
I don't know how to update apps using the Marketplace because the App link was now replaced by Sprint link in the Marketplace. Anyone else know how to update all apps that I've downloaded without having to search each app in the Marketplace?
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Apr 13, 2010
Is any one having this problem where you try to update an app and you get a insufficient storage message because it just uninstalls the app then won't install the new one.
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Oct 28, 2010
I've been having problems downloading apps, and updating apps this past week. Uk T-mobile branded handset, updated to 2.2 a few weeks ago via T-mobile ota update. Also followed the noobs guide to force apps to AD, freeing up some extra ram. Just having issues updating programmes like
Opera Mini
Co pilot
Google Maps
And just tried to install..............
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Jul 29, 2010
whenever i update an app during the process of it downloading and installing it my phone runs really slow. i dont have a problem if im downloading a file in the background on the browser so i was just wondering if its only me this happens to.
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Nov 21, 2010
This morning I went into market and saw that 4 apps needed updating, 2 of the apps were on my SD card.
The 2 apps not on SD updated fine but the 2 on SD card forced Marketplace to FC. When I went back into Market the apps were in the process of updating and seemed to update and run.
However after rebooting the phone the apps were no longer installed.
It was at this point that I noticed Market had been upgraded to 2.12.
I tried installing the apps again, which succeeded but when I tried moving them to SD card it failed. I had to uninstall/reinstall the apps again and I was then allowed to copy them to the SD card.
I have now done a clear data and clear cache on market to see if that helps.
All my other apps are fine both on and off the SD card and I used to be able to update them on SD card with no problems.
Until I get another update for an app on SD I cannot be sure the problem is resolved but it does appear that 2.12 managed to break something.
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Aug 1, 2010
I updated to the official (rooted) version of Froyo and tried to reinstall Sling player but it's just not on the market. My wife can find it on her 2.1 handset but I can't. Is there a reason for this that I'm not privy to? Will the backed-up copy work?
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Sep 28, 2010
Please, I need advice on how to get phone numbers saved on the phone up when forwarding received SMS or MMS! At the moment, I can only forward messages to contacts saved on Sim card!
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Nov 21, 2010
My problem is using SharedPreferences. I just created a <PreferenceScreen> which holds inside a <ListPreference> with an array of 5 different values. Very simple! The array of values are different numbers: 1, 2, 5, 10 and 30.Every time I change the setting, the application remembers that and I can see the setting I chose when I access the preferences once again (as an user). Now, in the code, when I retrieve the setting using the key (e.g. getString("delay", default_delay);), I always get the default value, it seems that the SharedPreferences does not find my setting. Can anybody help? I have read about SharedPreferences.getEditor().commit(), but that should be used only when changing settings from the code, not from the UI preferences.
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Jun 28, 2010
I have a normal SQLite database in my app, managed through my own ContentProvider and implemented via SQLiteOpenHelper. On the Droid only, every few weeks or so, the database just disappears. I have several users who wrote me about that, and I've seen it myself too now. I added some debug info (hard to repro when you only see it every few weeks), and in one instance, it just happened inbetween widget updates - first, the widget is displayed and shows the data just fine, the next time, the SQLiteOpenHelper's onCreate is called.
The app itself does some multi-threaded shenanigans, but all ContentProvider implementations have the synchronized keyword, all access to the database is via the content provider and in the instance described above, there is no multi-threading going on (the app itself hadn't been running, just the widget). And again, this is only on the Droid. I've never seen it on the G1. I never close the database, but it being a content provider, it sounds like I'm not supposed to do that in the first place (I remember hackbod saying that the idea is that the OS will close the app's process when necessary, which will automatically close the database).
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Mar 11, 2010
I have an app on the android market that currently has a "Trial" postfix in its name. I would like to update this app with one that doesn't have "Trial" in its name. Can i do this by only keeping the same package in the new app, thus by updating with using a different app name? Or do i have to retain the same app name as well, for the update to take place?
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Mar 3, 2010
I'm just wondering, if there is a limit on amount of data I can store in SharedPreferences. ( and if yes, what limit).
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Nov 19, 2010
I make an app with some activities.
The first is the login.
If I login correctly, I pass to the second activity, and I want download a stream (like twitter), but I cannot keep the session.
I saved user & pass in sharedpreferences, how can i keep the session through all activities?
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Aug 7, 2009
Now that we can Examining sqlite3 Databases from a Remote Shell, is it possible to examine SharedPreferences from adb shell? Since it would be much more convenient to examine and manipulate SharedPreferences from command line when debugging. Or put in another way, in what files SharedPreferences are saved, and how to view and modify these files?
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Jun 10, 2010
I'm writing an android application that maintains a lot of "state" data...some of it I can save in the form of onSaveInstanceState but some of it is just to complex to save in memory.
My problem is that sliding the phone open destroys/recreates the app, and I lose all my application state in the process. The same thing happens with the "back" button, but I overloaded that function on my way. Is there any way to overload the phone opening to prevent it from happening?
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Jun 23, 2010
I am trying to save the date of file parsing, so that when next time user, opens the application, the date can be checked against the last parsing date. I am using shared preference to save the data and retrieve it, but getting error. here is the code:
SharedPreferences settings = getPreferences(0);
String today = new Date(System.currentTimeMillis()).toString();
SharedPreferences.Editor edit = settings.edit();
System.out.println("******** Today : " + today);
edit.putString("lastdate", today);
String fetch = settings.getString("lastdate", "0");
System.out.println("******** Fetch : " + fetch);
txtTest.setText(fetch);
but I am getting null pointer error. am I missing something?
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Feb 7, 2009
I'm implementing a feature that requires a password, is it safe to store using SharedPreferences.Editor? Is there another recommended way for storing passwords?
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Mar 6, 2009
I've just tracked down a weird bug in our app where SharedPreferences were failing between power cycles of the phone.
It turns out that one of the strings we were saving had an "&" in it. When I look at the xml that is being persisted I see that this is being encoded as && instead of just &
This means that when you come to read the settings back you don't get any values at all. Is this a known issue? I see lots of posts about preferences dissappearing, but nothing about this.
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Sep 10, 2010
How do I delete SharedPreferences data for my application?
I'm creating an application that uses a lot of web services to sync data. For testing purposes I need to wipe out some SharedPreferences values when I restart the app.
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Oct 6, 2010
If not, is there any workaround? I have an array list of objects that have a name and an icon pointer. I do not want to use a database.
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