DataBinding with ImageView & Glide

DataBinding_with_ImageView.kt

//Remember: The method needs to be public static and the first parameter will be the view. This is very important.

// this is for just for single loading.
companion object {
    @JvmStatic
    @BindingAdapter("profileImage")
    fun loadImage(view: ImageView, profileImage: String) {
        Glide.with(view.context)
            .load(profileImage)
            .into(view)
    }
}

// Usage in XML 
app:profileImage="@{user.profileImage}"


// Databinding ImageView with Placeholder Glide

// Note that we’ve set requireAll to false. This ensures that this adapter is used even if one of the attributes is not set in xml. 
// Omit this if you want to ensure this gets called only if all attributes are provided.
companion object {
        @JvmStatic
        @BindingAdapter(value = ["profileImage", "error"], requireAll = false)
        fun loadImage(view: ImageView, profileImage: String, error: Int) {
            Glide.with(view.context)
                .load(profileImage)
                .listener(object : RequestListener<Drawable> {
                    override fun onLoadFailed(
                        e: GlideException?,
                        model: Any?,
                        target: Target<Drawable>?,
                        isFirstResource: Boolean
                    ): Boolean {
                        view.setImageResource(error)
                        return true
                    }

                    override fun onResourceReady(
                        resource: Drawable?,
                        model: Any?,
                        target: Target<Drawable>?,
                        dataSource: DataSource?,
                        isFirstResource: Boolean
                    ): Boolean {
                        view.setImageDrawable(resource)
                        return true
                    }

                })
                .into(view)
        }
    }

// Now in our imageView layout, we can provide a resource for the error state.
app:error="@{user.errorImage}"