DataBinding samples

data_binding.kt

// Conditional string
android:text="@{viewModel.startButtonText ? @string/title_start_travel : @string/title_start}"

// Conditional visibility
<import type="android.view.View" />
android:visibility="@{viewModel.visibility == 1 ? View.VISIBLE : View.GONE}" 

// Non-string text
android:text="@{String.valueOf(data.minutes)}"

// Binding Adapter
bind:profileUrl="@{user.imageUrl()}"

@BindingAdapter("bind:profileUrl")
fun loadImageProfile(view: ImageView, imageUrl: String) {
    Picasso.get()
            .load(imageUrl)
            .transform(CircleTransform())
            .placeholder(R.drawable.profile_placeholder)
            .error(R.drawable.profile_placeholder)
            .into(view)
}

// Conditional background from resource
android:background="@{state == 1 ? @drawable/shape_1 : @drawable/shape_2}"

// Formatted string
android:text="@{@string/remaining_km(data.remainingMeters / 1000)}"
<string name="remaining_km">%d km</string>

// Handle click
android:onClick="@{(v) -> viewModel.userDetail(v, viewModel.userId)}"

fun userDetail(view: View, userId: Int) {
    showDetail(userId)
}