To achieve the mission from the beginning of this chapter, we will create a proper mechanism to obtaining shared preferences.
Create a new package called preferences. We will put all preferences related code in that package. For shared preferences management, we will need the following three classes:
PreferencesProviderAbstract: This is basic abstraction to provide access to SharedPreferencesPreferencesProvider: This is aPreferencesProviderAbstractimplementationPreferencesConfiguration: This class is responsible for describing preferences we try to instantiate
Benefit of using this approach is a unified approach to shared preferences access in our application.
Let's define each class as follows:
- The
PreferencesProviderAbstractclass code is as follows:
package com.journaler.perferences
import android.content.Context
import android.content.SharedPreferences
abstract class PreferencesProviderAbstract {
...