Android :: Export / Import Shared Preferences
Mar 25, 2010
I would need to export the shared preferences and load it on another device. Is this possible in a direct way somehow? (without exporting the keys one by one and writing to a custom file) Another question is that there is any XML parser which has the same functionality like SharedPreferences (getstring/addstring, getint/ addaddint etc.) and saves/loads the result to a path anywhere? (sdcard for example) I know SharedPreferences uses some xml's in the background but that xml is not readable as a file without admin rights as far as I know so it's not quite suitable for what I need.
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Mar 19, 2010
My application is used on multiple platforms so it saves it preferences to a file (rather than to the standard Android SharedPreferences).
Is there any easy of reusing the PreferenceActivity to save preferences to a file or is it a case of creating a whole new activity to do the job? If the latter is the case is there a layout I can use that will make the activity look like the normal preferences screen? PreferenceActivity uses com.android.internal.R.layout.preference_list_content but this doesn't appear to be available to apps for reuse.
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Jul 28, 2010
I want to know how we can use shared pref in different application.
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Sep 6, 2010
Does Android provide smth. like that OR do I have to check every time during start of my app "Oh, am I freshly installed? Do I have to initialize the Shared Preferences now?"
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Oct 29, 2010
I have a user preference in my app, which gets ued by different activity. I would like to know the best way to utilize those preferences between different activities in my App.
I have this idea to create a shared preference object from the main activity and from there send intents to the different activities to take actions. would it work?.. or just keep calling getsharedpreferences() from every activity?
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Apr 24, 2009
I has some interesting sync/import/export features. I am curious about it asking for my gmail info. More info about how this works would be great, as it might work as a great way to populate my contact db which is still suffering.
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Mar 9, 2010
A little if u please. I'm looking for a notepad app with search function and sd card import/export.I checked out the note everything and the AE text but saw no search function, maybe I missed something.What I'm looking to do is search specific words say for medication lists and whatnot and have that medication name pop up.Any help with notepad is greatly appreciated.
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Jul 29, 2009
I want to save a string with SharedPreferences class. The string is quit long. I really want to know the maximum length of a string that can be save in shared preferences in android.
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Nov 17, 2009
Trying to create shared preferences for my class representing my api and one for my main class. I create a shared preference file by making this call in my api & main classes String PREF_NAME = "API"; this.pref = context.getSharedPreferences( PREF_NAME, Context.MODE_PRIVATE );
the log gives me this....................
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Oct 24, 2010
Accessing the shared preferences of another application.
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Oct 19, 2010
When you establish a shared preference such as below.
public static final String PREFS_HI = "MyPrefsFile";
Can you access it from other activities just like you would normally do?
SharedPreferences settings = getSharedPreferences(PREFS_HI, 0);
Or is there something unique that you must do to access the preferences?
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Mar 3, 2009
We are using SharedPreferences(Not default preferences.) to store our application related settings. These settings are not accessible in the background service as the application context is different from service context. It always returns the default values. We want to have our own UI to manage settings. So, we don't want to use PreferenceActivity.
Is there a way or hack to access SharedPreferences from inside a service which are created by application?
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Sep 24, 2010
Is it possible to have multiple Shared Preferences per app? If you create a PreferenceActivity, the values by default are persisted to /data/data/[PACKAGE_NAME]/shared_prefs/[PACKAGE_NAME]_
preferences.xml
Is there a way to have multiple such files and which one to use for a given PreferenceActivity?
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Aug 11, 2010
Shared Preferences are as such used to keep the data static and available.Is there a chance that i can use this ahred preference values over a content uri and make accessible to all ?
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Jul 18, 2010
Is there any way like you can import and export contacts, do it with bookmarks, so when you master reset you don't have to visit each site and bookmark them again?
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May 25, 2010
I tire of having to re-download and re-configure all of my apps every time I switch to a new ROM. Is there a way I can export and import my apps and app settings so I don't have to do this every time?
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Sep 27, 2010
I have some information stored as SharedPreferences. I need to access that information from outsite an Activity (in from a domain model class). So I created a static method in an Activity which I only use to get the shared preferences. This is giving me some problems, since apparently it is not possible to call the method "getSharedPreferences" from a static method. Here's the message eclipse is giving me:
Cannot make a static reference to the non-static method
getSharedPreferences(String, int) from the type ContextWrapper
I tried to work around this by using an Activity instance, like this:
public static SharedPreferences getSharedPreferences () {
Activity act = new Activity();
return act.getSharedPreferences("FILE", 0);
}
This code gives a null point exception. Is there a work-around? Am I going into an android-code-smell by trying to do this?
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Sep 23, 2009
I have some shared preferences (user_id, email) that I want to access from services and classes that are not subclassed from Activity. I have been trying to implement this today and keep hitting roadblocks. In particular, when I try to access getSharedPreferences, I get a null pointer exception. My code is posted below. My goal here is to allow read access the shared preferences to objects and (potentially) services that aren't going to be directly exposed to the user.
<snip> public class MyPrefs extends Service {
public static final String PREFS_NAME = "MyPrefs";
private int user_id;
private String user_email;
private String user_password;
private Editor editor = null;
private SharedPreferences settings = null;
public MyPrefs () {
settings = this.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
}
</snip>
this.getSharedPreferences line causes a null pointer exception.
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Aug 23, 2010
I'm trying to get my google contacts not only to show up in my phone's google address book but my phone's address book, so I can use VZW backup asst, which only backs up from your phone's address book. I can't find import/export addresses. The VZW guy told me to send contacts to sd and import them... can't find any way to do that on the X.
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Apr 17, 2012
How to:
1)Import and export contacts from/to SIM and SD card? How can I access SIM card directory or something like that?
2)Send contact by SMS?
3)Open activity for SMS typing and set some contacts as targets?
4)List accounts when I create new group or contact? Do "features" of account authenticator include "creating android contact with this account type"?
Comments for everything: I know, I should explore some Google apps (and I even downloaded their sources), but my customer wants this functions just now, so I almost have no time.
Comment for 2 and 3: it would be enough to list all available extras for sms intent.
Comment for 4: the main question is, how to include phone account. As I understood, for every company it's unique: one for HTC, one for Samsung and so on. How can I find suitable account type and name for any phone?
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Jun 1, 2012
I'm using an S2 and what I really hate to lose when I change into a custom ROM is its calendar widget. So is it possible if I revert back to stock rom and extract that widget to be used in a custom ROM?
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Oct 19, 2010
In my Android application, I have to call the getSharedPreferences in non-activity classes. In order to avoid passing a Context object to each constructor of these classes (and because many of them are classes with only static methods which don't have a constructor), I have implemented these steps : The main activity of my application (which is launched at startup) is called Dispatcher. In the onCreate method of this class, I keep a reference to the created Dispatcher object in a static public variable of the Dispatcher class which can be accessed from any class in the project.
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Feb 2, 2010
I want to save all the contacts into shared preferences.Is it possible?
I mean is there any upper size limit of shared preferences??How much data it can save?
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Jun 20, 2010
Will the data still be there after the user restarts his / her phone or changes SIM / battery?
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Oct 5, 2010
If I store some user settings and information in shared preferences in my android apps, and then I update the app in the Market, will those settings be erased when the app updates?
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Apr 10, 2010
I am using a PreferenceActivity to show some settings for my application.I am inflating the settings via a xml file so that my onCreate (and complete class methods).These preferences will automatically save to SharedPreferences as the user interacts with them. To retrieve an instance of SharedPreferences that the preference hierarchy in this activity will use, call getDefaultSharedPreferences(android.content.Context) with a context in the same package as this activity.
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Apr 22, 2010
I am using a PreferenceActivity to let the user set some values. I am feeding it the xml file with the defined preferences.
I have set all the android:defaultValue="" for them.
When I start my application, I need the preferences, or if they are not set yet manually, I want the default values:
CODE:.................
However, when android:defaultValue="true" I still get false. So, it looks like the defaultValues set in the XML are not used anywhere but when initializing the preferences-screen.
I don't want to hardcode the default values in the getBoolean() method. So, is there a way get the default-values with only defining these in 1 place?
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Apr 16, 2010
I am implementing GTalk sample application by refering some book But they mentioned the following imports import
com.google.android.gtalkservice.IGTalkSession; import com.google.android.gtalkservice.IGTalkService; import com.google.android.gtalkservice.GTalkServiceConstants; import com.google.android.gtalkservice.IChatSession;
But when i am importing it is giving me error the import can't be resolved. I tried those above imports for the following targets 1.1, 1.5, Google api, 1.6.Google api, 2.0, Google api, 2.0.1,Google api, 2.1, Google api No where the above imports found I am unable to import above things.
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Jun 23, 2010
My android application has two kinds of preferences:
1) I have user preferences defined in res/xml/preferences.xml so that users can manage their preferences with a PreferenceActivity.
2) I'd like to define another file for global configuration preferences of my app.
What is the best way to manage my app config preferences? Should I create another XML file with config values or should I specify those config values in strings.xml? What is the best practice for managing config preferences?
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Nov 8, 2010
I am attempting to add a simple preferences file in a new Android project (New -> Android XML File), but it doesn't appear to be working correctly.
There is no root element to choose from when I select the Preference type layout. If I press Finish, it doesn't do anything. See screenshot below.
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