Show hint about how to import subscriptions when there are none

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionFragment.kt

@@ -41,7 +41,6 @@ import org.schabi.newpipe.local.subscription.SubscriptionViewModel.SubscriptionS
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialog
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupReorderDialog
 import org.schabi.newpipe.local.subscription.item.ChannelItem
-import org.schabi.newpipe.local.subscription.item.EmptyPlaceholderItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupAddNewGridItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupAddNewItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupCardGridItem
@@ -49,6 +48,7 @@ import org.schabi.newpipe.local.subscription.item.FeedGroupCardItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupCarouselItem
 import org.schabi.newpipe.local.subscription.item.GroupsHeader
 import org.schabi.newpipe.local.subscription.item.Header
+import org.schabi.newpipe.local.subscription.item.ImportSubscriptionsHintPlaceholderItem
 import org.schabi.newpipe.local.subscription.services.SubscriptionsExportService
 import org.schabi.newpipe.local.subscription.services.SubscriptionsImportService
 import org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.KEY_MODE
@@ -312,7 +312,7 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
             groupAdapter.add(this)
         }
 
-        subscriptionsSection.setPlaceholder(EmptyPlaceholderItem())
+        subscriptionsSection.setPlaceholder(ImportSubscriptionsHintPlaceholderItem())
         subscriptionsSection.setHideWhenEmpty(true)
 
         groupAdapter.add(

app/src/main/java/org/schabi/newpipe/local/subscription/dialog/FeedGroupDialog.kt

@@ -35,7 +35,7 @@ import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialog.ScreenState.
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialog.ScreenState.SubscriptionsPickerScreen
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialogViewModel.DialogEvent.ProcessingEvent
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialogViewModel.DialogEvent.SuccessEvent
-import org.schabi.newpipe.local.subscription.item.EmptyPlaceholderItem
+import org.schabi.newpipe.local.subscription.item.ImportSubscriptionsHintPlaceholderItem
 import org.schabi.newpipe.local.subscription.item.PickerIconItem
 import org.schabi.newpipe.local.subscription.item.PickerSubscriptionItem
 import org.schabi.newpipe.util.DeviceUtils
@@ -338,7 +338,7 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
 
         if (subscriptions.isEmpty()) {
             subscriptionEmptyFooter.clear()
-            subscriptionEmptyFooter.add(EmptyPlaceholderItem())
+            subscriptionEmptyFooter.add(ImportSubscriptionsHintPlaceholderItem())
         } else {
             subscriptionEmptyFooter.clear()
         }

app/src/main/java/org/schabi/newpipe/local/subscription/item/ImportSubscriptionsHintPlaceholderItem.kt

@@ -5,8 +5,11 @@ import com.xwray.groupie.viewbinding.BindableItem
 import org.schabi.newpipe.R
 import org.schabi.newpipe.databinding.ListEmptyViewBinding
 
-class EmptyPlaceholderItem : BindableItem<ListEmptyViewBinding>() {
+/**
-    override fun getLayout(): Int = R.layout.list_empty_view
+ * When there are no subscriptions, show a hint to the user about how to import subscriptions
+ */
+class ImportSubscriptionsHintPlaceholderItem : BindableItem<ListEmptyViewBinding>() {
+    override fun getLayout(): Int = R.layout.list_empty_view_subscriptions
     override fun bind(viewBinding: ListEmptyViewBinding, position: Int) {}
     override fun getSpanSize(spanCount: Int, position: Int): Int = spanCount
     override fun initializeViewBinding(view: View) = ListEmptyViewBinding.bind(view)

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

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center"
+    android:minHeight="128dp"
+    android:orientation="vertical">
+
+    <org.schabi.newpipe.views.NewPipeTextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="¯\\_(ツ)_/¯"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        tools:ignore="HardcodedText" />
+
+    <org.schabi.newpipe.views.NewPipeTextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginTop="6dp"
+        android:text="@string/import_subscriptions_hint" />
+</LinearLayout>

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

@@ -266,6 +266,7 @@
     <string name="description_tab_description">Description</string>
     <string name="search_no_results">No results</string>
     <string name="empty_list_subtitle">Nothing here but crickets</string>
+    <string name="import_subscriptions_hint">Import or export subscriptions from the 3-dot menu</string>
     <string name="detail_drag_description">Drag to reorder</string>
     <string name="video">Video</string>
     <string name="audio">Audio</string>