mustafakuloglu

class MainActivityAdapter : ListAdapter<Image, RecyclerView.ViewHolder>(MainCallback()) {
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder{
        val viewModel = MainActivityImageViewModel(parent.context.applicationContext as App)
        val binding = DataBindingUtil.inflate<ItemImageBinding>(LayoutInflater.from(parent.context), R.layout.item_image, parent, false)
        binding.viewModel = viewModel
        return ViewHolder(binding)
    }

    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        ((holder as ViewHolder).binding as ItemImageBinding).viewModel?.setItem(getItem(position))

mustafakuloglu

class MainCallback : DiffUtil.ItemCallback<Image>() {
    override fun areItemsTheSame(oldItem: Image, newItem: Image): Boolean {
        return oldItem.id == newItem.id
    }

    override fun areContentsTheSame(oldItem: Image, newItem: Image): Boolean {
        return oldItem == newItem
    }

}

mustafakuloglu

class MainActivityAdapter : ListAdapter<BaseRecyclerEntity, RecyclerView.ViewHolder>(object : DiffUtil.ItemCallback<BaseRecyclerEntity>() {
    override fun areItemsTheSame(oldItem: BaseRecyclerEntity, newItem: BaseRecyclerEntity): Boolean {
        return oldItem.id == newItem.id
    }

    override fun areContentsTheSame(oldItem: BaseRecyclerEntity, newItem: BaseRecyclerEntity): Boolean {
        return oldItem == newItem
    }

})

mustafakuloglu

binding.viewModel = viewModel
binding.viewModel?.create()
binding.recyclerView.adapter = MainActivityAdapter()

mustafakuloglu

    @JvmStatic
    @BindingAdapter("app:set_list")
    fun setList(recyclerView: RecyclerView, list: List<BaseRecyclerEntity>?) {
        val adapter = recyclerView.adapter as MainActivityAdapter
        list?.let {
            adapter.submitList(list)
        }
    }

mustafakuloglu

    @JvmStatic
    @BindingAdapter("app:set_src")
    fun setSrc(imageView: ImageView, path: String) {
        if (path.isNotEmpty()) {
            Picasso.get().load(path).into(imageView)
        }
    }

mustafakuloglu

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <data>

        <variable
            name="viewModel"
            type="com.generalmobile.app.recyclermultiitems.ui.main.MainActivityViewModel" />
    </data>

mustafakuloglu

class MainActivityViewModel(app: Application) : BaseViewModel(app) {
     val list: ObservableList<BaseRecyclerEntity> = ObservableArrayList()

    fun create(){
        list.addAll(ListProvider().getList())
    }

}

mustafakuloglu

class ListProvider{
    fun getList(): ArrayList<BaseRecyclerEntity> {
        val list = arrayListOf<BaseRecyclerEntity>()

        list.add(Header(0,Type.HEADER,"Lion"))
        list.add(Image(1,Type.IMAGE,"https://cdn.images.express.co.uk/img/dynamic/galleries/x701/67639.jpg"))
        list.add(Image(2,Type.IMAGE,"https://thenypost.files.wordpress.com/2018/02/man-eaten-by-lions.jpg?quality=90&strip=all"))
        list.add(Image(3,Type.IMAGE,"http://chandigarhbytes.com/wp-content/uploads/2017/07/Federico_Veronesi_2009-01-28-Masai-Mara_4728.jpg"))
        list.add(Header(4,Type.HEADER,"Tiger"))
        list.add(Image(5,Type.IMAGE,"http://kids.sandiegozoo.org/sites/default/files/2017-06/animal-hero-tiger_0.jpg"))

mustafakuloglu

object Type {
    const val HEADER = 0
    const val IMAGE = 1
}