onBindSlice.kt

/**
 * Construct the Slice and bind data if available.
 */
override fun onBindSlice(sliceUri: Uri): Slice? {
    // Note: you should switch your build.gradle dependency to
    // slice-builders-ktx for a nicer interface in Kotlin.
    val context = context ?: return null
    val activityAction = createActivityAction() ?: return null
    return if (sliceUri.path == "/hello") {
        // Path recognized. Customize the Slice using the androidx.slice.builders API.
        // Note: ANR and StrictMode are enforced here so don't do any heavy operations. 
        // Only bind data that is currently available in memory.
        ListBuilder(context, sliceUri, ListBuilder.INFINITY)
            .addRow(
                ListBuilder.RowBuilder()
                    .setTitle("URI found.")
                    .setPrimaryAction(activityAction)
            )
            .build()
    } else {
        // Error: Path not found.
        ListBuilder(context, sliceUri, ListBuilder.INFINITY)
            .addRow(
                ListBuilder.RowBuilder()
                    .setTitle("URI not found.")
                    .setPrimaryAction(activityAction)
            )
            .build()
    }
}