returns whether key exists in preferences . concode_field_sep JSONObject systemProperties concode_elem_sep String TAG concode_elem_sep SharedPreferences preferences concode_field_sep void setSystemProperties concode_elem_sep void setBool concode_elem_sep double getDouble concode_elem_sep String getString concode_elem_sep SharedPreferences getPreference concode_elem_sep Object getPreference concode_elem_sep void setList concode_elem_sep String[] listProperties concode_elem_sep void setInt concode_elem_sep void setDouble concode_elem_sep int getInt concode_elem_sep void setString concode_elem_sep String[] getList concode_elem_sep boolean hasListProperty concode_elem_sep boolean getBool concode_elem_sep void removeProperty
boolean function ( String arg0 ) { return systemProperties != null ? systemProperties . has ( arg0 ) || preferences . contains ( arg0 ) : preferences . contains ( arg0 ) ; }