etonotieno

class NewsAdapter : ListAdapter<News, NewsViewHolder>(COMPARATOR){
  
    override fun onCreateViewHolder(parent :ViewGroup, viewType :Int) : NewsViswHolder{
      val binding :ItemLayoutBinding = DataBindingUtil.inflate(layoutInflater, R.layout.item_layout, parent, false)
      return NewsViewHolder(binding)
    }
  
    override fun onBindViewHolder(holder :NewsViewHolder, position :Int{
      holder.binding.newsArticle = getItem(position)
    }

etonotieno

class NewsActivity : BaseActivity() {
  private val newsViewModel = ViewModelProviders.of(this).get(NewsViewModel::class.java)
   
  override fun onCreate(savedInstanceState :Bundle?) {
      super.onCreate(savedInstanceState)
      val newsBinding :ActivityNewsBinding = DataBindingUtil.setContentView(this, R.layout.activity_news)
      newsBinding.setLifecycleOwner(this)
      newsBinding.newsViewModel = newsViewModel
  }
}

etonotieno

@BindingAdapter("image", "placeholderImage", "errorImage", requireAll=true)
fun loadImageForView(view: ImageView, imageUrl: String, errorImage: Drawable, placeholderImage: Drawable) {
   Picasso.get().load(imageUrl).placeholder(placeholderImage).error(errorImage).into(view)
}

etonotieno

<layout>
  <data>
    <variable name="newsArticle" type="com.edoubletech.newsfeed.model.News"/>
  </data>
  <ConstraintLayout
    <TextView android:text="@{newsArticle.title}" />
    <TextView android:text="@{newsArticle.content}"/>
    <ImageView
      app:image="@{newsArticle.imageUrl}"
      app:errorImage="@{@drawable/error}"