Update the layout to display pickup options

app/src/main/res/layout/fragment_pickup.xml

@@ -47,24 +47,36 @@
                     android:id="@+id/option0"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:checked="@{viewModel.date.equals(viewModel.dateOptions[0])}"
+                    android:onClick="@{() -> viewModel.setDate(viewModel.dateOptions[0])}"
+                    android:text="@{viewModel.dateOptions[0]}"
                     tools:text="Thursday" />
 
                 <RadioButton
                     android:id="@+id/option1"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:checked="@{viewModel.date.equals(viewModel.dateOptions[1])}"
+                    android:onClick="@{() -> viewModel.setDate(viewModel.dateOptions[1])}"
+                    android:text="@{viewModel.dateOptions[1]}"
                     tools:text="Friday" />
 
                 <RadioButton
                     android:id="@+id/option2"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:checked="@{viewModel.date.equals(viewModel.dateOptions[2])}"
+                    android:onClick="@{() -> viewModel.setDate(viewModel.dateOptions[2])}"
+                    android:text="@{viewModel.dateOptions[2]}"
                     tools:text="Saturday" />
 
                 <RadioButton
                     android:id="@+id/option3"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:checked="@{viewModel.date.equals(viewModel.dateOptions[3])}"
+                    android:onClick="@{() -> viewModel.setDate(viewModel.dateOptions[3])}"
+                    android:text="@{viewModel.dateOptions[3]}"
                     tools:text="Sunday" />
             </RadioGroup>