Do not display more button when list is empty

app/src/main/java/de/christinecoenen/code/zapp/app/personal/PersonalFragment.kt

@@ -32,6 +32,19 @@ class PersonalFragment : Fragment(), MenuProvider {
 	private lateinit var continueWatchingAdapter: MediathekShowListAdapter
 	private lateinit var bookmarkAdapter: MediathekShowListAdapter
 
+	private val downloadsHeaderAdapter = HeaderAdapater(
+		R.string.activity_main_tab_downloads,
+		R.drawable.ic_baseline_save_alt_24,
+	) { navigateToDownloads() }
+	private val continueWatchingHeaderAdapter = HeaderAdapater(
+		R.string.activity_main_tab_continue_watching,
+		R.drawable.ic_outline_play_circle_24
+	) { navigateToDownloads() }
+	private val bookmarksHeaderAdapter = HeaderAdapater(
+		R.string.activity_main_tab_bookmarks,
+		R.drawable.ic_outline_bookmarks_24
+	) { navigateToDownloads() }
+
 	private val downloadsLoadStatusAdapter = LoadStatusAdapter()
 	private val continueWatchingLoadStatusAdapter = LoadStatusAdapter()
 	private val bookmarkLoadStatusAdapter = LoadStatusAdapter()
@@ -63,22 +76,13 @@ class PersonalFragment : Fragment(), MenuProvider {
 			MediathekShowListAdapter(lifecycleScope, MediathekItemType.Bookmark, showClickListener)
 
 		outerAdapter = ConcatAdapter(
-			HeaderAdapater(
-				R.string.activity_main_tab_downloads,
-				R.drawable.ic_baseline_save_alt_24
-			) { navigateToDownloads() },
+			downloadsHeaderAdapter,
 			downloadsAdapter,
 			downloadsLoadStatusAdapter,
-			HeaderAdapater(
-				R.string.activity_main_tab_continue_watching,
-				R.drawable.ic_outline_play_circle_24
-			) { navigateToContinueWatching() },
+			continueWatchingHeaderAdapter,
 			continueWatchingAdapter,
 			continueWatchingLoadStatusAdapter,
-			HeaderAdapater(
-				R.string.activity_main_tab_bookmarks,
-				R.drawable.ic_outline_bookmarks_24
-			) { navigateToBookmarks() },
+			bookmarksHeaderAdapter,
 			bookmarkAdapter,
 			bookmarkLoadStatusAdapter,
 		)
@@ -93,23 +97,26 @@ class PersonalFragment : Fragment(), MenuProvider {
 
 		binding.list.adapter = outerAdapter
 
-		lifecycleScope.launch {
+		lifecycleScope.launchWhenCreated {
 			viewModel.downloadsFlow.collect {
 				downloadsAdapter.setShows(it)
+				downloadsHeaderAdapter.setShowMoreButton(it.isNotEmpty())
 				downloadsLoadStatusAdapter.onShowsLoaded(it.size)
 			}
 		}
 
-		lifecycleScope.launch {
+		lifecycleScope.launchWhenCreated {
 			viewModel.continueWatchingFlow.collect {
 				continueWatchingAdapter.setShows(it)
+				continueWatchingHeaderAdapter.setShowMoreButton(it.isNotEmpty())
 				continueWatchingLoadStatusAdapter.onShowsLoaded(it.size)
 			}
 		}
 
-		lifecycleScope.launch {
+		lifecycleScope.launchWhenCreated {
 			viewModel.bookmarkFlow.collect {
 				bookmarkAdapter.setShows(it)
+				bookmarksHeaderAdapter.setShowMoreButton(it.isNotEmpty())
 				bookmarkLoadStatusAdapter.onShowsLoaded(it.size)
 			}
 		}

app/src/main/java/de/christinecoenen/code/zapp/app/personal/adapter/HeaderAdapater.kt

@@ -14,6 +14,17 @@ class HeaderAdapater(
 	private val listener: Listener?,
 ) : RecyclerView.Adapter<HeaderViewHolder>() {
 
+	private var showMoreButton = false
+
+	fun setShowMoreButton(showMoreButton: Boolean) {
+		if (this.showMoreButton == showMoreButton) {
+			return
+		}
+
+		this.showMoreButton = showMoreButton
+		notifyItemChanged(1)
+	}
+
 	override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): HeaderViewHolder {
 		val layoutInflater = LayoutInflater.from(parent.context)
 		val binding = PersonalFragmentHeaderItemBinding.inflate(layoutInflater, parent, false)
@@ -30,7 +41,7 @@ class HeaderAdapater(
 	}
 
 	override fun onBindViewHolder(holder: HeaderViewHolder, position: Int) {
-		holder.bind(labelResId, iconResId)
+		holder.bind(labelResId, iconResId, showMoreButton)
 	}
 
 	override fun getItemCount() = 1

app/src/main/java/de/christinecoenen/code/zapp/app/personal/adapter/HeaderViewHolder.kt

@@ -2,6 +2,7 @@ package de.christinecoenen.code.zapp.app.personal.adapter
 
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import de.christinecoenen.code.zapp.databinding.PersonalFragmentHeaderItemBinding
 
@@ -12,9 +13,11 @@ class HeaderViewHolder(
 	fun bind(
 		@StringRes titleResId: Int,
 		@DrawableRes iconResId: Int,
+		showMoreButton: Boolean,
 	) {
 		binding.title.setText(titleResId)
 		binding.icon.setImageResource(iconResId)
+		binding.more.isVisible = showMoreButton
 	}
 
 }