val defValues = defaultPrefValues {
    "my_string" to "Jhon Doe"
    "my_int" to 99
    "my_long" to 5L
    "my_float" to 2.5f
    "my_boolean" to true
}

val storage = defaultPrefsStorage("my_prefs", defValues)

prefs(prefsView, storage) {
    category("My category") {
         preference {
            title("My pref item")
            icon(R.drawable.my_icon)
            onClick {
                //my action
            }
        }
    }
}   

preference {
    title("Title")
    summary("My description")
    icon(R.drawable.ic_my_icon)
    showArrow(true)
    onClick {
        //my action
    }
}

switch("my_key") {
    title("Title")
    summary("My description")
    onChecked { isChecked ->
        //my action
    }
}

checkbox("my_key") {
    title("Title")
    summary("My description")
    onChecked { isChecked ->
        //my action
    }
}

labelPreference("my_key", String::class) {
    title("Title")
    onClick {
        //my action
    }
}

listSingleChoice("my_key", String::class) {
    title("Title")
    icon(R.drawable.ic_my_icon)
    showRadioButtons(true)
    items(
        listOf(
            ListItem("ar", "Arabic"),
            ListItem("en", "English"),
            ListItem("ru", "Russian")
        )
    )
}

listMultiChoice("my_key", String::class) {
    title("Title")
    allowEmptySelection(false)
    //required
    listValuesSerializer { it.joinToString() }
    //required
    listValuesDeserializer {
        if (it.isNotEmpty()) {
            it.split(",")
                .map { number -> number.trim().toInt() }
        } else emptyList()
    }             
    items(
        listOf(
            ListItem("one", "Item 1"),
            ListItem("two", "Item 2"),
            ListItem("three", "Item 3")
        )
    )
}

textInput("my_key") {
    title("Title")
    icon(R.drawable.ic_username)
    onNewInput { 
        //my action       
    }
}

datePicker("my_key") {
    title("Title")
    val formatter = SimpleDateFormat("dd.MM.yyyy ", Locale.US)
    valuePresenter { formatter.format(it) }
    onValueSelected {
        //my action
    }
}

timePicker("my_key") {
    title("Title")
    val formatter = SimpleDateFormat("hh:mm ", Locale.US)
    valuePresenter { formatter.format(it) }
    onValueSelected {
        //my action
    }
}

dateTimePicker("my_key") {
    title("Title")
    val formatter = SimpleDateFormat("hh:mm dd.MM.yyyy ", Locale.US)
    valuePresenter { formatter.format(it) }
    onValueSelected {
        //my action
    }
}

colorPicker("my_key") {
    title("Title")
    val colors = intArrayOf(Color.RED, Color.GREEN, Color.BLUE)
    colors(colors)
    onColorSelected {
        //my action
    }
}

class MyPreferenceView(
    context: Context,
    attrs: AttributeSet? = null,
    themeResId: Int = 0
) : BasePreferenceView(context, attrs, themeResId) {

    override fun createValueView(parent: ViewGroup): View {
        return parent.inflate(R.layout.my_pref_view)
    }

}

abstract class MyPreference(
    key: String,
    container: PrefsContainer,
    private val appearanceManager: PreferencesAppearance
) : BasePreference<MyPreference, MyPreferenceView, String>(
    container = container,
    key = key,
    appearanceManager = appearanceManager
) {

    override fun createView(): V {
    }

    override fun loadValue(view: V) {
    }
 
    override fun initView(view: V) {
    }

}

fun myPreference(builder: PreferenceBuilder<MyPreference>) {
    MyPreference(container, appearanceManager)
        .apply(builder)
        .also { addPreference(it) }
}