SettingsService (Attach 4.0.13 API)

All Known Implementing Classes:

AndroidSettingsService, DesktopSettingsService, DummySettingsService, IOSSettingsService
```
public interface SettingsService
```
The SettingService provides a simple way for storing, retrieving and removing key-value pairs of strings.
Example
```
 SettingsService.create().ifPresent(service -> {
      service.store("key", "value");
      String value = service.retrieve("key");
      service.remove("key");
  });
```
Android Configuration: none

iOS Configuration: none
Since:

3.0.0

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static java.util.Optional<SettingsService>`	`create()`	Returns an instance of `SettingsService`.
`void`	`remove(java.lang.String key)`	Removes the setting for the specified key.
`java.lang.String`	`retrieve(java.lang.String key)`	Retrieves the value of the setting that is identified by the specified key.
`void`	`store(java.lang.String key, java.lang.String value)`	Stores the setting with the specified key and value.

- Method Detail
  - create
```
static java.util.Optional<SettingsService> create()
```
    Returns an instance of SettingsService.
    
    Returns:
    
    An instance of SettingsService.
  - store
```
void store(java.lang.String key,
           java.lang.String value)
```
    Stores the setting with the specified key and value. If a setting with the specified key exists, the value for that setting will be overwritten with the specified value.
    
    Parameters:
    
    key - a key that uniquely identifies the setting
    
    value - the value associated with the key
  - remove
```
void remove(java.lang.String key)
```
    Removes the setting for the specified key.
    
    Parameters:
    
    key - the key of the setting that needs to be removed
  - retrieve
```
java.lang.String retrieve(java.lang.String key)
```
    Retrieves the value of the setting that is identified by the specified key.
    
    Parameters:
    
    key - the key of the setting to look up
    
    Returns:
    
    the value associated with the setting or null when no setting was stored with the specified key