Start of work for a structural modification of the player

app/src/main/java/com/cappielloantonio/play/adapter/PlayerBodyAdapter.java

@@ -0,0 +1,34 @@
+package com.cappielloantonio.play.adapter;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.viewpager2.adapter.FragmentStateAdapter;
+
+import com.cappielloantonio.play.ui.fragment.PlayerControllerFragment;
+import com.cappielloantonio.play.ui.fragment.PlayerQueueFragment;
+
+public class PlayerBodyAdapter extends FragmentStateAdapter {
+    private static final String TAG = "PlayerNowPlayingSongInfoAdapter";
+
+    public PlayerBodyAdapter(@NonNull Fragment fragment) {
+        super(fragment);
+    }
+
+    @NonNull
+    @Override
+    public Fragment createFragment(int position) {
+        switch (position) {
+            case 0:
+                return new PlayerControllerFragment();
+            case 1:
+                return new PlayerQueueFragment();
+        }
+
+        return new PlayerControllerFragment();
+    }
+
+    @Override
+    public int getItemCount() {
+        return 2;
+    }
+}