SL4A PreferencesFacade

This facade allows access to the Preferences interface.

Notes:
filename - Filename indicates which preference file to refer to. If no filename is supplied (the default) then the SharedPreferences uses is the default for the SL4A application.
prefPutValue - uses "MODE_PRIVATE" when writing to preferences. Save values to the default shared preferences is explicitly disallowed.

prefGetAll	Get list of Shared Preference Values filename (String) Desired preferences file. If not defined, uses the default Shared Preferences. (optional) returns: (Map) Map of key,value
prefGetValue	Read a value from shared preferences key (String) filename (String) Desired preferences file. If not defined, uses the default Shared Preferences. (optional)
prefPutValue	Write a value to shared preferences key (String) value (Object) filename (String) Desired preferences file. If not defined, uses the default Shared Preferences. (optional)