UnbluPreferencesStorage

```
public interface UnbluPreferencesStorage
```
Interface which can be implemented to store the preferences of Unblu at a custom location.
This is useful if encryption should used. Otherwise a default implementation can be used via createSharedPreferencesStorage(Context).
IMPORTANT: if you change the custom storage, please be aware that you are somehow capable of migrating the old data to the new storage.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static UnbluPreferencesStorage`	`createSharedPreferencesStorage(android.content.Context context)`	Creates a default implementation of `UnbluPreferencesStorage` which stores the preferences inside the `SharedPreferences` of the app with mode `Context.MODE_PRIVATE`
`java.lang.String`	`get(java.lang.String key)`	A preference should be read from the storage
`void`	`put(java.lang.String key, java.lang.String value)`	A preference should be stored in the storage

- Method Detail
  - createSharedPreferencesStorage
```
@NonNull
static UnbluPreferencesStorage createSharedPreferencesStorage(@NonNull
                                                              android.content.Context context)
```
    Creates a default implementation of UnbluPreferencesStorage which stores the preferences inside the SharedPreferences of the app with mode Context.MODE_PRIVATE
    
    Parameters:
    
    context - The context of the application
    
    Returns:
    
    The default implementation using SharedPreferences
  - put
```
void put(@NonNull
         java.lang.String key,
         @Nullable
         java.lang.String value)
```
    A preference should be stored in the storage
    
    Parameters:
    
    key - The key of the preference
    
    value - The value for the given key
  - get
```
@Nullable
java.lang.String get(@NonNull
                     java.lang.String key)
```
    A preference should be read from the storage
    
    Parameters:
    
    key - The key of the preference
    
    Returns:
    
    The value for the given key. Can be null if there is no value stored for this key.