Fix missing shopping cart updates (#199)

Author: Fabtron

CHANGELOG.md

@@ -7,6 +7,10 @@ All notable changes to this project will be documented in this file.
 ### Removed
 ### Fixed
 
+## [0.75.0]
+### Added
+* ui: add function `updateCart()` to update the cart manually for the `ShoppingCartScreen`
+
 ## [0.75.0]
 ### Changed
 * ui: update fiserv 3D's flow. The user now has to enter additional information to add a credit card.

ui/src/main/java/io/snabble/sdk/ui/cart/shoppingcart/ShoppingCartScreen.kt

@@ -1,12 +1,10 @@
 package io.snabble.sdk.ui.cart.shoppingcart
 
 import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.HorizontalDivider
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
@@ -138,7 +136,9 @@ private fun CardWithUserWeightedItems() {
         items = listOf(
             ProductItem(
                 ShoppingCart.Item(ShoppingCart(), LineItem(name = "Cold brew Coffee"))
-                    .apply { product = Product.Builder().setType(Product.Type.UserWeighed).build() },
+                    .apply {
+                        product = Product.Builder().setType(Product.Type.UserWeighed).build()
+                    },
                 name = "Apple",
                 quantity = 1,
                 editable = true,

ui/src/main/java/io/snabble/sdk/ui/cart/shoppingcart/ShoppingCartViewModel.kt

@@ -30,6 +30,10 @@ class ShoppingCartViewModel : ViewModel() {
         }
     }
 
+    fun updateCart() {
+        updateUiState(cachedCart)
+    }
+
     init {
         val project = Snabble.checkedInProject.value
         val cart = Snabble.checkedInProject.value?.shoppingCart