Stick info header when selecting subscriptions in the feed group dialog

- Avoid creating plural translation by using a different wording

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

@@ -29,7 +29,6 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity
 import org.schabi.newpipe.local.subscription.FeedGroupIcon
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupDialogViewModel.FeedDialogEvent
 import org.schabi.newpipe.local.subscription.item.EmptyPlaceholderItem
-import org.schabi.newpipe.local.subscription.item.HeaderTextSideItem
 import org.schabi.newpipe.local.subscription.item.PickerIconItem
 import org.schabi.newpipe.local.subscription.item.PickerSubscriptionItem
 import org.schabi.newpipe.util.AnimationUtils.animateView
@@ -82,7 +81,7 @@ class FeedGroupDialog : DialogFragment() {
         super.onSaveInstanceState(outState)
 
         iconsListState = icon_selector.layoutManager?.onSaveInstanceState()
-        subscriptionsListState = subscriptions_selector.layoutManager?.onSaveInstanceState()
+        subscriptionsListState = subscriptions_selector_list.layoutManager?.onSaveInstanceState()
 
         Icepick.saveInstanceState(this, outState)
     }
@@ -185,9 +184,7 @@ class FeedGroupDialog : DialogFragment() {
 
         val selectedCountText = getString(R.string.feed_group_dialog_selection_count, this.selectedSubscriptions.size)
         selected_subscription_count_view.text = selectedCountText
-
-        val headerInfoItem = HeaderTextSideItem(getString(R.string.tab_subscriptions), selectedCountText)
-        groupAdapter.add(headerInfoItem)
+        subscriptions_selector_header_info.text = selectedCountText
 
         Section().apply {
             addAll(subscriptions.map {
@@ -199,16 +196,11 @@ class FeedGroupDialog : DialogFragment() {
             groupAdapter.add(this)
         }
 
-        subscriptions_selector.apply {
-            if (useGridLayout) {
-                layoutManager = GridLayoutManager(requireContext(), groupAdapter.spanCount, RecyclerView.VERTICAL, false).apply {
-                    spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
-                        override fun getSpanSize(position: Int) =
-                                if (position == 0) 4 else 1
-                    }
-                }
+        subscriptions_selector_list.apply {
+            layoutManager = if (useGridLayout) {
+                GridLayoutManager(requireContext(), groupAdapter.spanCount, RecyclerView.VERTICAL, false)
             } else {
-                layoutManager = LinearLayoutManager(requireContext(), RecyclerView.VERTICAL, false)
+                LinearLayoutManager(requireContext(), RecyclerView.VERTICAL, false)
             }
 
             adapter = groupAdapter
@@ -237,14 +229,13 @@ class FeedGroupDialog : DialogFragment() {
 
                     val updateSelectedCountText = getString(R.string.feed_group_dialog_selection_count, this.selectedSubscriptions.size)
                     selected_subscription_count_view.text = updateSelectedCountText
-                    headerInfoItem.infoText = updateSelectedCountText
-                    headerInfoItem.notifyChanged(HeaderTextSideItem.UPDATE_INFO)
+                    subscriptions_selector_header_info.text = updateSelectedCountText
                 }
             }
         }
 
         select_channel_button.setOnClickListener {
-            subscriptions_selector.scrollToPosition(0)
+            subscriptions_selector_list.scrollToPosition(0)
             showSubscriptionsPicker()
         }
     }

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

@@ -1,37 +0,0 @@
-package org.schabi.newpipe.local.subscription.item
-
-import android.view.View.OnClickListener
-import com.xwray.groupie.kotlinandroidextensions.Item
-import com.xwray.groupie.kotlinandroidextensions.GroupieViewHolder
-import kotlinx.android.synthetic.main.header_with_text_item.*
-import org.schabi.newpipe.R
-
-class HeaderTextSideItem(
-        val title: String,
-        var infoText: String? = null,
-        private val onClickListener: (() -> Unit)? = null
-) : Item() {
-
-    companion object {
-        const val UPDATE_INFO = 123
-    }
-
-    override fun getLayout(): Int = R.layout.header_with_text_item
-
-    override fun bind(viewHolder: GroupieViewHolder, position: Int, payloads: MutableList<Any>) {
-        if (payloads.contains(UPDATE_INFO)) {
-            viewHolder.header_info.text = infoText
-            return
-        }
-
-        super.bind(viewHolder, position, payloads)
-    }
-
-    override fun bind(viewHolder: GroupieViewHolder, position: Int) {
-        viewHolder.header_title.text = title
-        viewHolder.header_info.text = infoText
-
-        val listener: OnClickListener? = if (onClickListener != null) OnClickListener { onClickListener.invoke() } else null
-        viewHolder.root.setOnClickListener(listener)
-    }
-}

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

@@ -15,8 +15,7 @@
         android:minHeight="150dp"
         android:orientation="vertical"
         android:padding="8dp"
-        android:visibility="gone"
-        tools:visibility="visible">
+        android:visibility="gone">
 
         <ImageButton
             android:id="@+id/icon_preview"
@@ -34,10 +33,10 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginStart="8dp"
-            android:paddingTop="6dp"
-            android:paddingBottom="6dp"
             android:gravity="center_vertical"
             android:hint="@string/feed_group_dialog_name_input"
+            android:paddingTop="6dp"
+            android:paddingBottom="6dp"
             app:errorEnabled="true"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@+id/icon_preview"
@@ -93,19 +92,56 @@
         android:paddingBottom="16dp"
         android:visibility="gone"
         tools:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
-        tools:listItem="@layout/item_icon_picker"
+        tools:listitem="@layout/picker_icon_item"
         tools:spanCount="7" />
 
-    <androidx.recyclerview.widget.RecyclerView
+    <LinearLayout
         android:id="@+id/subscriptions_selector"
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_weight="1"
+        android:orientation="vertical"
         android:visibility="gone"
-        tools:itemCount="200"
-        tools:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
-        tools:listItem="@layout/item_icon_picker"
-        tools:spanCount="4" />
+        tools:visibility="visible">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:paddingLeft="16dp"
+            android:paddingTop="12dp"
+            android:paddingRight="16dp"
+            android:paddingBottom="12dp">
+
+            <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:gravity="start|center_vertical"
+                android:text="@string/tab_subscriptions"
+                android:textColor="?android:attr/textColorPrimary"
+                android:textSize="16sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/subscriptions_selector_header_info"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="start|center_vertical"
+                android:textColor="?android:attr/textColorPrimary"
+                android:textSize="12sp"
+                tools:text="1 selected" />
+        </LinearLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/subscriptions_selector_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:itemCount="200"
+            tools:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            tools:listitem="@layout/picker_subscription_item"
+            tools:spanCount="4" />
+    </LinearLayout>
 
     <View
         android:id="@+id/separator"

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

@@ -606,7 +606,7 @@
     <string name="feed_notification_loading">Loading feed…</string>
     <string name="feed_processing_message">Processing feed…</string>
     <string name="feed_group_dialog_select_subscriptions">Select subscriptions</string>
-    <string name="feed_group_dialog_selection_count">%d selected</string>
+    <string name="feed_group_dialog_selection_count">Selected: %d</string>
     <string name="feed_group_dialog_empty_selection">No subscription selected</string>
     <string name="feed_group_dialog_empty_name">Empty group name</string>
     <string name="feed_group_dialog_name_input">Name</string>