Added some possible todos

KdeConnect/src/main/java/org/kde/connect/MprisActivity.java

@@ -22,6 +22,9 @@ import java.util.ArrayList;
 
 public class MprisActivity extends Activity {
 
+    //TODO: Add a loading spinner at the begginning (to distinguish the loading state from a no-players state).
+    //TODO 2: Add a message when no players are detected after loading completes
+
     protected void connectToPlugin() {
 
         final String deviceId = getIntent().getStringExtra("deviceId");