Use a single object : Preferences in your kotlin shared projects

Compatible with kotlin android and kotlin native for iphone

class MyPresenter {
    val preferences = Preferences()

    fun start(){
        preferences.getString("userName")?.let {
            view.displayUser(it)
        }

        val age = preferences.getInt("age", 18)
        view.displayUserAge(age)
    }
}

Download

Add the repository

repositories {
    maven { url "https://dl.bintray.com/florent37/maven" }
}

common

implementation "com.github.florent37:multiplatform-preferences:1.2.0"

ios

Uses inside the NSUserDefaults

implementation "com.github.florent37:multiplatform-preferences-ios:1.2.0"

android

Uses inside the SharedPreferences

implementation "com.github.florent37:multiplatform-preferences-android:1.2.0"

Methods

class Preferences(name: String? = null) {

    fun setInt(key: String, value: Int)
    fun getInt(key: String, defaultValue: Int): Int
    fun getInt(key: String): Int?

    fun setFloat(key: String, value: Float)
    fun getFloat(key: String, defaultValue: Float): Float
    fun getFloat(key: String): Float?

    fun setLong(key: String, value: Long)
    fun getLong(key: String, defaultValue: Long): Long
    fun getLong(key: String): Long?

    fun setString(key: String, value: String)
    fun getString(key: String, defaultValue: String): String
    fun getString(key: String): String?

    fun setBoolean(key: String, value: Boolean)
    fun getBoolean(key: String, defaultValue: Boolean): Boolean
    fun getBoolean(key: String): Boolean?

    fun remove(key: String)
    fun clear()

    fun hasKey(key: String): Boolean
}

License

Copyright 2018 Florent37

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.