How to change default name of preferences.xml database?

Question

I want to use getSharedPreference instead of getDefaultSharedPreference ( because of some bug in some devices this).

And I want to listen to preference changes. So I did something like:

this.getSharedPreferences("myPrefDB", MODE_PRIVATE).registerOnSharedPreferenceChangeListener(new OnSharedPreferenceChangeListener() 
    {
        @Override
        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,String key)
        {
            if (key.equalsIgnoreCase("myPrefKey"))
                {
                  flag = sharedPreferences.getBoolean(key,true);
                }
        }
    });

But it does not work and give me wrong preference.
Even write something like:

public class Setting extends PreferenceActivity implements OnSharedPreferenceChangeListener
{
//like above
}

Doesn't work again.
I should say I don't write anything for insert value(edit(), commit()). I just use:

addPreferencesFromResource(R.xml.preferences);

And I think this above line write the value to default database name(like "com.example.something_preferences"). But I want to write values to my custom name (myPrefDB).

"because of some bug in second in some devices" -- citation, please. — CommonsWare, Nov 10 '12 at 12:10
@CommonsWare http://stackoverflow.com/questions/10786172/android-getdefaultsharedpreferences — Dr.jacky, Nov 10 '12 at 12:15

Dr.jacky · Accepted Answer · 2017-07-27T05:42:32.740

To set shared preference name in PreferenceActivity, according to this:

public class SettingsActivity extends PreferenceActivity {

/*
 * (non-Javadoc)
 * 
 * @see android.preference.PreferenceActivity#onCreate(android.os.Bundle)
 */
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getPreferenceManager().setSharedPreferencesName("myPref"); 
    addPreferencesFromResource(R.xml.pref);
}

And for use SharedPreference in every where else:

SharedPreferences prf = context.getSharedPreferences("sharedpreferenceNAMEthatYOUwant", Context.MODE_PRIVATE)

If a preferences file by this name does not exist, it will be created when you retrieve an editor (SharedPreferences.edit()) and then commit changes (Editor.commit()).

How to change default name of preferences.xml database?

1 Answers1