Add @override annotation to onStartCommand() function of RunCommandService.

app/src/main/java/com/termux/app/RunCommandService.java

@@ -87,6 +87,7 @@ public class RunCommandService extends Service {
         runStartForeground();
     }
 
+    @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
         // Run again in case service is already started and onCreate() is not called
         runStartForeground();