Filter emoji where "visible_in_picker" is set to false. (#907)

Addresses #770

app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java

@@ -125,7 +125,6 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.Date;
 import java.util.Iterator;
 import java.util.List;

app/src/main/java/com/keylesspalace/tusky/adapter/EmojiAdapter.kt

@@ -23,7 +23,12 @@ import com.keylesspalace.tusky.R
 import com.keylesspalace.tusky.entity.Emoji
 import com.squareup.picasso.Picasso
 
-class EmojiAdapter(private val emojiList: List<Emoji>, private val onEmojiSelectedListener: OnEmojiSelectedListener) : RecyclerView.Adapter<EmojiAdapter.EmojiHolder>() {
+class EmojiAdapter(emojiList: List<Emoji>, private val onEmojiSelectedListener: OnEmojiSelectedListener) : RecyclerView.Adapter<EmojiAdapter.EmojiHolder>() {
+    private val emojiList : List<Emoji>
+
+    init {
+        this.emojiList = emojiList.filter { emoji -> emoji.visibleInPicker == null || emoji.visibleInPicker }
+    }
 
     override fun getItemCount(): Int {
         return emojiList.size

app/src/main/java/com/keylesspalace/tusky/entity/Emoji.kt

@@ -16,10 +16,12 @@
 package com.keylesspalace.tusky.entity
 
 import android.os.Parcelable
+import com.google.gson.annotations.SerializedName
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
 data class Emoji(
         val shortcode: String,
-        val url: String
+        val url: String,
+        @SerializedName("visible_in_picker") val visibleInPicker: Boolean?
 ) : Parcelable