kvrun: show FPS every one second

examples/kv/kvrun.py

@@ -1,10 +1,14 @@
 #!/usr/bin/env python
 
 from kivy.app import App
+from kivy.clock import Clock
 from kivy.lang import Builder
 
 class KvApp(App):
+    def _print_fps(self, *largs):
+        print 'FPS:', Clock.get_fps()
     def build(self):
+        Clock.schedule_interval(self._print_fps, 1)
         return Builder.load_file(self.options['filename'])
 
 if __name__ == '__main__':