MyListActivity

#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME}#end

import android.os.Bundle
import android.view.View.GONE
import android.view.View.VISIBLE
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.activity_${Model_Class_Lower}s.*

#parse("File Header.java")
class ${NAME} : AppCompatActivity() {
    private lateinit var viewModel: ${Model_Class}sViewModel
    private lateinit var adapter: ${Model_Class}sAdapter

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_${Model_Class_Lower}s)
        setup()
    }

    private fun setup() {
        viewModel = ViewModelProviders.of(this)
            .get(${Model_Class}sViewModel::class.java)
        viewModel.${Model_Class_Lower}s.observe(this, Observer { ${Model_Class_Lower}s ->
            when {
                ${Model_Class_Lower}s == null -> showError()
                ${Model_Class_Lower}s.isEmpty() -> showNo${Model_Class}s()
                else -> showContent(${Model_Class_Lower}s)
            }
        })
    }

    private fun showContent(${Model_Class_Lower}s: ArrayList<${Model_Class}>) {
        adapter.swapData(${Model_Class_Lower}s)
        recyclerView?.visibility = VISIBLE
        msgTV?.visibility = GONE
        loadingIndicator?.visibility = GONE
    }

    private fun showNo${Model_Class}s() {
        msgTV?.text = "No ${Model_Class_Lower}s added"
        msgTV?.visibility = VISIBLE
        recyclerView?.visibility = GONE
        loadingIndicator?.visibility = GONE
    }

    private fun showError() {
        msgTV?.text = "Something went wrong.\nPlease check your internet!"
        msgTV?.visibility = VISIBLE
        recyclerView?.visibility = GONE
        loadingIndicator?.visibility = GONE
    }

    private fun showSnack(s: String) {
        Snackbar.make(root, s, Snackbar.LENGTH_SHORT).show()
    }
}