MySliceProvider.kt

override fun onBindSlice(sliceUri: Uri): Slice? {
    return if (sliceUri.path == "/task") {
        // 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, INFINITY)
                .addRow {it.setTitle("Task Completed? ")
                it.setPrimaryAction(createActivityAction())
                it.addEndItem(createToggleAction(!state))
                }
                .build()
    } else {
        // Error: Path not found.
         ListBuilder(context, sliceUri, INFINITY)
                .addRow { it.setTitle("URI not found.") }
                .build()

    }
}

private fun createActivityAction(): SliceAction {
    val intent = Intent(context, MainActivity::class.java)
    intent.putExtra(CHECKED, state).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    return SliceAction(PendingIntent.getActivity(context, 0, intent, 0),
            IconCompat.createWithResource(context, R.drawable.ic_launcher_foreground),
            "Open MainActivity."
    )
}

private fun createToggleAction(boolean: Boolean): SliceAction{
    val intent = Intent()
    intent.setClass(context, MyReceiver::class.java)
    intent.putExtra(CHECKED, boolean)
    val toggleIntent = PendingIntent.getBroadcast(context, 0, intent,
            PendingIntent.FLAG_UPDATE_CURRENT)
    return SliceAction(toggleIntent, "Toggle", state)
}