Difference in getsharedpreferences and getdefaultsharedpreferences usage

Getsharedpreferences is used to obtain custom preferences, for example, defining a loginpref. xml preferences file.

Use

Sharedpreferences = getsharedpreferences ("loginpref", context. mode_private );

System. Out. println ("set_location =" + sharedpreferences. getboolean ("islogin", false ));

Editor editor = sharedpreferences. Edit ();

Editor. putboolean ("islogin", false );

Editor. Commit ();

To obtain or change

 

Each application has a Default preferences. xml file, which is obtained using getdefasharsharedpreferences.

 

Sharedpreferences preferences = preferencemanager. getdefasharsharedpreferences (this );

System. Out. println ("set_location =" + preferences. getboolean ("if_set_location", false ));

Editor editor = preferences. Edit ();

Editor. putboolean ("if_set_location", false );

Editor. Commit ();

"If_set_location" may correspond to checkboxpreference or others, but the common get *** is used to obtain the value.

 

<? XML version = "1.0" encoding = "UTF-8"?>

<Preferencescreen xmlns: Android = "http://schemas.android.com/apk/res/android">

<Preferencecategory Android: Title = "Location Information Settings">

<Checkboxpreference

Android: Key = "set_location"

Android: Title = "enable or disable location information"

Android: Summary = "Change your location settings, enable or disable location sharing"

Android: defaultvalue = "true"

/>

<Preference

Android: Key = "set_sys_location"

Android: Title = "system location Settings"

Android: Summary = "click to go to the system settings page to enable or disable the GPS Position function"

/>

</Preferencecategory>

 

 

 

</Preferencescreen>