observable_view_property

observable_view_property.kt

    private fun <T> viewProperty(default: T) = object : ObservableProperty<T>(default) {

        override fun beforeChange(property: KProperty<*>, oldValue: T, newValue: T): Boolean =
            newValue != oldValue

        override fun afterChange(property: KProperty<*>, oldValue: T, newValue: T) {
            postInvalidateOnAnimation()
        }
    }