Search RecyclerView limit height to 300dp. (#631)

emoji/src/main/java/com/vanniktech/emoji/EmojiSearchPopup.kt

@@ -65,7 +65,7 @@ internal class EmojiSearchPopup(
       val resources = context.resources
       recyclerView.measure(
         MeasureSpec.makeMeasureSpec(rootView.width, MeasureSpec.EXACTLY),
-        MeasureSpec.makeMeasureSpec(resources.getDimensionPixelSize(R.dimen.emoji_search_max_height), MeasureSpec.AT_MOST),
+        0, // Internals will already limit this.
       )
 
       val height = recyclerView.measuredHeight

emoji/src/main/java/com/vanniktech/emoji/MaxHeightSearchRecyclerView.kt

@@ -0,0 +1,17 @@
+package com.vanniktech.emoji
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.recyclerview.widget.RecyclerView
+
+internal class MaxHeightSearchRecyclerView @JvmOverloads constructor(
+  context: Context,
+  attrs: AttributeSet? = null,
+) : RecyclerView(context, attrs) {
+  override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+    super.onMeasure(
+      widthMeasureSpec,
+      MeasureSpec.makeMeasureSpec(context.resources.getDimensionPixelSize(R.dimen.emoji_search_max_height), MeasureSpec.AT_MOST),
+    )
+  }
+}

emoji/src/main/res/layout/emoji_dialog_search.xml

@@ -19,10 +19,11 @@
       tools:ignore="LabelFor,UnusedAttribute"
       tools:text="My brilliant name"
       />
-  <androidx.recyclerview.widget.RecyclerView
+  <com.vanniktech.emoji.MaxHeightSearchRecyclerView
       android:id="@+id/recyclerView"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
+      android:scrollbars="vertical"
       app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
       />
 </LinearLayout>

emoji/src/main/res/layout/emoji_popup_search.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.vanniktech.emoji.MaxHeightSearchRecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/recyclerView"
     android:layout_width="match_parent"