FStranieri

class ExampleListUpdateCallback<T : RecyclerView.ViewHolder?>(val adapter: RecyclerView.Adapter<T>) : ListUpdateCallback {
    override fun onChanged(position: Int, count: Int, payload: Any?) {
        this.adapter.notifyItemRangeChanged(position, count, payload)
    }

    override fun onMoved(fromPosition: Int, toPosition: Int) {
        this.adapter.notifyItemMoved(fromPosition, toPosition)
    }

    override fun onInserted(position: Int, count: Int) {

FStranieri

class ExampleCardsDiffCallback(private var oldList: List<ExampleModel>,
                               private var newList: List<ExampleModel>) : DiffUtil.Callback() {

    override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
        return oldList[oldItemPosition].id == newList[newItemPosition].id
    }

    override fun getOldListSize(): Int {
        return oldList.size
    }

FStranieri

class ExampleCardsAdapter(private val context: Context) : RecyclerView.Adapter<ExampleViewHolder>() {

    private var list: List<ExampleModel> = listOf()

    fun updateList(newList: List<ExampleModel>) {
        val diffResult = DiffUtil.calculateDiff(ExampleCardsDiffCallback(this.list, newList))
        this.list = newList
        diffResult.dispatchUpdatesTo(ExampleListUpdateCallback(this))
    }

FStranieri

class AnkoActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        
        val ankoComponent = ToolbarTemplateLayout<AnkoActivity>(object : ToolbarTemplateLayout.ToolbarTemplateLayoutInterface {
            override fun toolbarStyleId(): Int = R.style.ToolbarStyle
            override fun includedLayoutId(): Int = R.layout.activity_anko
        }).setContentView(this)
        

FStranieri

class AnkoActivity : AppCompatActivity() {
  
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        val ankoComponent = ToolbarNBottombarTemplateLayout<AnkoActivity>(object : ToolbarNBottombarTemplateLayout.ToolbarNBottombarTemplateLayoutInterface {
            override fun toolbarStyleId(): Int = R.style.ToolbarStyle
            override fun includedLayoutId(): Int = R.layout.activity_anko
            override fun footerStyleId(): Int = R.style.FooterStyle
        })

FStranieri

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>

FStranieri

class ToolbarTemplateLayout<A: Activity>(private val layoutInterface: ToolbarTemplateLayoutInterface): AnkoComponent<A> {

    override fun createView(ui: AnkoContext<A>): View {
        return ui.verticalLayout {
            themedToolbar(layoutInterface.toolbarStyleId())
            include<View>(layoutInterface.includedLayoutId())
        }
    }

    interface ToolbarTemplateLayoutInterface{

FStranieri

class ToolbarNBottombarTemplateLayout<A : Activity>(private val layoutInterface: ToolbarNBottombarTemplateLayoutInterface) : AnkoComponent<A> {

    override fun createView(ui: AnkoContext<A>): View {
        return ui.constraintLayout {

            val toolbar = themedToolbar(layoutInterface.toolbarStyleId())
            toolbar.layoutParams = ConstraintLayout.LayoutParams(ConstraintLayout.LayoutParams.MATCH_PARENT,
                    ConstraintLayout.LayoutParams.WRAP_CONTENT)

            val included = include<View>(layoutInterface.includedLayoutId()) {

FStranieri

class ToolbarNBottombarTemplateLayout<A : Activity>(private val layoutInterface: ToolbarNBottombarTemplateLayoutInterface) : AnkoComponent<A> {

    var binding: ViewDataBinding? = null

    override fun createView(ui: AnkoContext<A>): View {
        return ui.constraintLayout {

            val toolbar = themedToolbar(layoutInterface.toolbarStyleId())
            toolbar.layoutParams = ConstraintLayout.LayoutParams(ConstraintLayout.LayoutParams.MATCH_PARENT,
                    ConstraintLayout.LayoutParams.WRAP_CONTENT)

FStranieri

class AnkoActivity : AppCompatActivity() {

    lateinit var binding: ActivityAnkoBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        val ankoComponent = ToolbarNBottombarTemplateLayout<AnkoActivity>(object : ToolbarNBottombarTemplateLayout.ToolbarNBottombarTemplateLayoutInterface {
            override fun toolbarStyleId(): Int = R.style.ToolbarStyle
            override fun includedLayoutId(): Int = R.layout.activity_anko