How to use data-binding with Fragment

Question

I\'m trying to follow data-binding example from official google doc https://developer.android.com/tools/data-binding/guide.html

except that I\'m trying to apply data

Answer 1

Very helpful blog about Databinding : https://link.medium.com/HQY2VizKO1

class FragmentBinding(
    @LayoutRes private val resId: Int
) : ReadOnlyProperty {

    private var binding: T? = null

    override operator fun getValue(
        thisRef: Fragment,
        property: KProperty<*>
    ): T = binding ?: createBinding(thisRef).also { binding = it }

    private fun createBinding(
        activity: Fragment
    ): T = DataBindingUtil.inflate(LayoutInflater.from(activity.context),resId,null,true)
}

Declare binding val like this in Fragment :

private val binding by FragmentBinding(R.layout.fragment_login)

Don't forget to write this in fragment

override fun onCreateView(
    inflater: LayoutInflater,
    container: ViewGroup?,
    savedInstanceState: Bundle?
): View? {
    return binding.root
}