getBoolean(String key, boolean defValue): This method is used to retrieve a boolean value from the preferences.getAll(): This method is used to retrieve all values from the preferences.edit(): This method is used to create a new Editor for these preferences, through which you can make modifications to the data in the preferences and atomically commit those changes back to the SharedPreferences object.contains(String key): This method is used to check whether the preferences contain a preference.This callback will be run on your main thread.įollowing are the methods of Shared Preferences This may be called even if a preference is set to its existing value. SharedPreferences.OnSharedPreferenceChangeListener(): Called when a shared preference is changed, added, or removed.Once editing has been done, one must commit() or apply() the changes made to the file. SharedPreferences.Editor: Interface used to write(edit) data in the SP file.MODE_APPEND is used while reading the data from the SP file. MODE_PRIVATE keeps the files private and secures the user’s data. MODE_PUBLIC will make the file public which could be accessible by other applications on the device This method takes two arguments, the first being the name of the SharedPreference(SP) file and the other is the context mode that we want to store our file in. Public abstract SharedPreferences getSharedPreferences (String name, int mode)
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#Shared preference manager how to#
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