Added auto hide control buttons

app/src/main/java/code/name/monkey/retromusic/extensions/ListEx.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2019 Hemanth Savarala.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by
+ *  the Free Software Foundation either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ */
+
+package code.name.monkey.retromusic.extensions
+
+import code.name.monkey.retromusic.helper.MusicPlayerRemote
+import code.name.monkey.retromusic.model.Song
+
+/**
+ * Created by hemanths on 2019-11-01.
+ */
+
+
+fun ArrayList<Song>.lastElement(): Boolean {
+    println("${this.size} ${this.indexOf(MusicPlayerRemote.currentSong)}")
+    return this.size - 1 == this.indexOf(MusicPlayerRemote.currentSong)
+}
+
+fun ArrayList<Song>.fistElement(): Boolean {
+    return 0 == this.indexOf(MusicPlayerRemote.currentSong)
+}

app/src/main/java/code/name/monkey/retromusic/extensions/ViewExtensions.kt

@@ -36,6 +36,10 @@ fun View.hide() {
     visibility = View.GONE
 }
 
+fun View.hidden() {
+    visibility = View.INVISIBLE
+}
+
 fun View.showOrHide(show: Boolean) = if (show) show() else hide()
 
 fun EditText.appHandleColor(): EditText {