Show recipe info in bottom sheet dialog

app/src/main/java/gq/kirmanak/mealient/ui/recipes/info/RecipeInfoFragment.kt

@@ -1,40 +1,29 @@
 package gq.kirmanak.mealient.ui.recipes.info
 
+import android.app.Dialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
-import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
-import androidx.lifecycle.Observer
-import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.bottomsheet.BottomSheetDialog
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import dagger.hilt.android.AndroidEntryPoint
+import gq.kirmanak.mealient.R
 import gq.kirmanak.mealient.databinding.FragmentRecipeInfoBinding
-import gq.kirmanak.mealient.ui.auth.AuthenticationViewModel
 import timber.log.Timber
 
 @AndroidEntryPoint
-class RecipeInfoFragment : Fragment() {
+class RecipeInfoFragment : BottomSheetDialogFragment() {
     private var _binding: FragmentRecipeInfoBinding? = null
     private val binding: FragmentRecipeInfoBinding
         get() = checkNotNull(_binding) { "Binding requested when fragment is off screen" }
     private val arguments by navArgs<RecipeInfoFragmentArgs>()
     private val viewModel by viewModels<RecipeInfoViewModel>()
 
-    private val authViewModel by viewModels<AuthenticationViewModel>()
-    private val authStatuses by lazy { authViewModel.authenticationStatuses() }
-    private val authStatusObserver = Observer<Boolean> { onAuthStatusChange(it) }
-    private fun onAuthStatusChange(isAuthenticated: Boolean) {
-        Timber.v("onAuthStatusChange() called with: isAuthenticated = $isAuthenticated")
-        if (!isAuthenticated) {
-            authStatuses.removeObserver(authStatusObserver)
-            navigateToAuthFragment()
-        }
-    }
-
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -48,7 +37,6 @@ class RecipeInfoFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         Timber.v("onViewCreated() called with: view = $view, savedInstanceState = $savedInstanceState")
-        authStatuses.observe(this, authStatusObserver)
 
         viewModel.loadRecipeImage(binding.image, arguments.recipeSlug)
         viewModel.loadRecipeInfo(arguments.recipeId, arguments.recipeSlug)
@@ -71,10 +59,8 @@ class RecipeInfoFragment : Fragment() {
         (requireActivity() as? AppCompatActivity)?.supportActionBar?.title = null
     }
 
-    private fun navigateToAuthFragment() {
-        Timber.v("navigateToAuthFragment() called")
-        findNavController().navigate(RecipeInfoFragmentDirections.actionRecipeInfoFragmentToAuthenticationFragment())
-    }
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog =
+        BottomSheetDialog(requireContext(), R.style.NoShapeBottomSheetDialog)
 
     override fun onDestroyView() {
         super.onDestroyView()

app/src/main/res/drawable/recipe_info_background.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+	<solid android:color="@android:color/white" />
+	<corners
+		android:topLeftRadius="@dimen/rounded_corner_size_default"
+		android:topRightRadius="@dimen/rounded_corner_size_default" />
+</shape>

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

@@ -10,10 +10,11 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content">
 
-		<ImageView
+		<com.google.android.material.imageview.ShapeableImageView
 			android:id="@+id/image"
 			android:scaleType="centerCrop"
 			android:layout_width="0dp"
+			app:shapeAppearance="@style/ShapeAppearance.AllCornersRounded"
 			android:layout_height="@dimen/fragment_recipe_info_image_height"
 			android:layout_marginBottom="@dimen/margin_small"
 			android:contentDescription="@string/content_description_fragment_recipe_info_image"

app/src/main/res/navigation/nav_graph.xml

@@ -30,23 +30,18 @@
 			android:id="@+id/action_recipesFragment_to_recipeInfoFragment"
 			app:destination="@id/recipeInfoFragment" />
 	</fragment>
-	<fragment
+	<dialog
 		android:id="@+id/recipeInfoFragment"
 		android:name="gq.kirmanak.mealient.ui.recipes.info.RecipeInfoFragment"
 		android:label="RecipeInfoFragment"
 		tools:layout="@layout/fragment_recipe_info">
-		<action
-			android:id="@+id/action_recipeInfoFragment_to_authenticationFragment"
-			app:destination="@id/authenticationFragment"
-			app:popUpTo="@id/nav_graph"
-			app:popUpToInclusive="true" />
 		<argument
 			android:name="recipe_slug"
 			app:argType="string" />
 		<argument
 			android:name="recipe_id"
 			app:argType="long" />
-	</fragment>
+	</dialog>
 	<fragment
 		android:id="@+id/disclaimerFragment"
 		android:name="gq.kirmanak.mealient.ui.disclaimer.DisclaimerFragment"

app/src/main/res/values/styles.xml

@@ -12,4 +12,21 @@
 		<item name="android:layout_height">wrap_content</item>
 		<item name="android:layout_margin">@dimen/margin_small</item>
 	</style>
+
+	<style name="ShapeAppearance.AllCornersRounded" parent="ShapeAppearance.MaterialComponents">
+		<item name="cornerSize">@dimen/rounded_corner_size_default</item>
+	</style>
+
+	<!-- This is a workaround to support always round corners of the bottom sheet
+	See more at https://github.com/material-components/material-components-android/pull/437#issuecomment-852461685 -->
+	<style name="NoShapeBottomSheetDialog" parent="ThemeOverlay.MaterialComponents.BottomSheetDialog">
+		<item name="bottomSheetStyle">@style/NoShapeBottomSheet</item>
+	</style>
+
+	<style name="NoShapeBottomSheet" parent="Widget.MaterialComponents.BottomSheet.Modal">
+		<item name="shapeAppearance">@null</item>
+		<item name="shapeAppearanceOverlay">@null</item>
+		<item name="behavior_fitToContents">false</item>
+		<item name="android:background">@drawable/recipe_info_background</item>
+	</style>
 </resources>