From 97bc0fafc76840d664de3907d2000cc85fd986cd Mon Sep 17 00:00:00 2001
From: 62160052 <62160052@go.buu.ac.th>
Date: Mon, 19 Sep 2022 01:11:49 +0700
Subject: [PATCH] Update StartFragment to use view model
---
app/src/main/java/com/example/cupcake/StartFragment.kt | 8 ++++++++
.../main/java/com/example/cupcake/model/OrderViewModel.kt | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/app/src/main/java/com/example/cupcake/StartFragment.kt b/app/src/main/java/com/example/cupcake/StartFragment.kt
index 2bf88c5..81876d9 100644
--- a/app/src/main/java/com/example/cupcake/StartFragment.kt
+++ b/app/src/main/java/com/example/cupcake/StartFragment.kt
@@ -15,12 +15,14 @@
*/
package com.example.cupcake
+import OrderViewModel
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
import androidx.navigation.fragment.findNavController
import com.example.cupcake.databinding.FragmentStartBinding
@@ -33,6 +35,7 @@ class StartFragment : Fragment() {
// This property is non-null between the onCreateView() and onDestroyView() lifecycle callbacks,
// when the view hierarchy is attached to the fragment.
private var binding: FragmentStartBinding? = null
+ private val sharedViewModel: OrderViewModel by activityViewModels()
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
@@ -58,9 +61,14 @@ class StartFragment : Fragment() {
* Start an order with the desired quantity of cupcakes and navigate to the next screen.
*/
fun orderCupcake(quantity: Int) {
+ sharedViewModel.setQuantity(quantity)
+ if (sharedViewModel.hasNoFlavorSet()) {
+ sharedViewModel.setFlavor(getString(R.string.vanilla))
+ }
findNavController().navigate(R.id.action_startFragment_to_flavorFragment)
}
+
/**
* This fragment lifecycle method is called when the view hierarchy associated with the fragment
* is being removed. As a result, clear out the binding object.
diff --git a/app/src/main/java/com/example/cupcake/model/OrderViewModel.kt b/app/src/main/java/com/example/cupcake/model/OrderViewModel.kt
index 0581a23..afaa9e1 100644
--- a/app/src/main/java/com/example/cupcake/model/OrderViewModel.kt
+++ b/app/src/main/java/com/example/cupcake/model/OrderViewModel.kt
@@ -26,4 +26,8 @@ class OrderViewModel : ViewModel() {
fun setDate(pickupDate: String) {
_date.value = pickupDate
}
+
+ fun hasNoFlavorSet(): Boolean {
+ return _flavor.value.isNullOrEmpty()
+ }
}
\ No newline at end of file
--
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