ViewModel

Restore the ViewModel from a context and the savedInstanceState. Can throw IllegalArgumentException when the project cannot be found or onSaveInstanceState was not called.

The add to cart button text (varies if the user updates the quantity)

A applied coupon like a manual discount, can be null

The raw cart item

The deposit price of the product, can be null

The button text do enter manual discounts, can be null when no coupons are available

The original price of the product, can be null

The price to display

The content description of the price

The product raw data

The quantity of the product, can be null e.g. in case of user weighted products

True when the plus and minus buttons should be shown

True when the quantity can be changed

True when the quantity can be decreased. Can be false when there is no quantity or the quantity is 1

True when the quantity can be increased. Can be false when there is no quantity or the limit is reached

The content description of the quantity, can be null

True when the quantity can be changed

The related shopping cart

True when the item was added to the cart

Call this when the dialog is dismissed to cleanup internal resources

Called to ask the view model to save its current dynamic state, so it can later be reconstructed in a new instance if its process is restarted.