PetkevichPavel

apply plugin: 'com.android.library'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-kapt'
apply from: "$rootDir/gradle/dependencies.gradle"

def ext = rootProject.ext

android {
    compileSdkVersion ext.compileSdkVersion

PetkevichPavel

package com.berider.app.common.utils

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.os.Parcelable
import android.view.inputmethod.InputMethodManager
import androidx.activity.OnBackPressedCallback
import androidx.appcompat.app.ActionBar
import androidx.appcompat.app.AppCompatActivity

PetkevichPavel

class SomeRepository(
    private val someManager: SomeManager
) : ISomeRepository, BaseRepository() {
  
  override val userId: Long?
        get() = someManager.userId

  override fun testSet(userId: Long) {
    someManager.userId = userId
  }

PetkevichPavel

class Generic<T : Any>(val c: Class<T>) {
    companion object {
        /**
         * Returns generic's argument class.
         */
        inline operator fun <reified T : Any> invoke() = Generic(T::class.java)
    }

    /**
     * Check if value is instance of desired class.

PetkevichPavel

/**
 * SharedPreferences.Editor extension function for putting [value] as Any into Shared preferences.
 * @param key - key for the value.
 * @param value - value as Any.
 */
@Suppress("UNCHECKED_CAST")
fun SharedPreferences.Editor.putAny(key: String, value: Any) {
    when {
        Generic<String>().checkType(value) -> (value as? String)?.let { putString(key, it) }
        Generic<Boolean>().checkType(value) -> (value as? Boolean)?.let { putBoolean(key, it) }

PetkevichPavel

open class PreferencesDelegate<T>(private val key: String) {
    private var variable: Any? = null
    private var initialized = false

    /**
     * Saves given value to SharedPreferences on synchronized thread.
     * @param thisRef - is the reference to the class that contains the property
     * @param property - is an instance of the [KProperty] class, which contains metadata.
     */
    open operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {

PetkevichPavel

open class PreferencesDelegate<T>(private val key: String) {
    private var variable: Any? = null
    private var initialized = false

    /**
     * Return desired value by a given key. Performing operation on synchronized thread.
     * @param thisRef - is the reference to the class that contains the property
     * @param property - is an instance of the [KProperty] class, which contains metadata.
     * @return T - T or null.

PetkevichPavel

//SomeManager.kt
interface SomeManager {
    var userId: Long?
    var userName: String?

    /**
     * Returns true if user valid.
     */
    fun isUserValid(): Boolean

PetkevichPavel

open class PreferencesDelegate<T>(private val key: String) {
    private var variable: Any? = null

    /**
     * Performing operation on synchronized thread.
     * @param thisRef - is the reference to the class that contains the property
     * @param property - is an instance of the [KProperty] class, which contains metadata.
     * @return T - desired value by a given key or null.
     */
    open operator fun getValue(thisRef: Any?, property: KProperty<*>): T? {

PetkevichPavel

interface SharedPreferencesProvider {
    val preferences: SharedPreferences
}