Reactions: Add content descriptions to emoji chooser category tabs and individual emojis

Signed-off-by: Peter Vágner <pvdeejay@gmail.com>

vector/src/main/java/im/vector/riotx/features/reactions/EmojiReactionPickerActivity.kt

@@ -92,7 +92,10 @@ class EmojiReactionPickerActivity : VectorBaseActivity(), EmojiCompatFontProvide
             it.rawData?.categories?.let { categories ->
                 for (category in categories) {
                     val s = category.emojis[0]
-                    tabLayout.addTab(tabLayout.newTab().setText(it.rawData!!.emojis[s]!!.emojiString()))
+                    val newTab =tabLayout.newTab()
+                    newTab.setText(it.rawData!!.emojis[s]!!.emojiString())
+                    newTab.setContentDescription(category.name)
+                    tabLayout.addTab(newTab)
                 }
                 tabLayout.addOnTabSelectedListener(tabLayoutSelectionListener)
             }

vector/src/main/java/im/vector/riotx/features/reactions/EmojiRecyclerAdapter.kt

@@ -258,6 +258,7 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null, var reaction
             emojiView.emoji = s
             if (s != null) {
                 emojiView.mLayout = getStaticLayoutForEmoji(s)
+                emojiView.setContentDescription(s)
                 placeHolder.visibility = View.GONE
 //                emojiView.visibility = View.VISIBLE
             } else {
@@ -361,4 +362,4 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null, var reaction
             }
         }
     }
-}
+}