Add "Stats for Nerds" overlay to Playground web UI and reduce console log spam.

android_env/components/config_classes.py

@@ -161,6 +161,11 @@ class EmulatorConfig(SimulatorConfig):
   # The number of times to try launching the emulator before reinstalling
   # (reinstall on the n+1-st try).
   launch_n_times_without_reinstall: int = 2
+  # If True, use the raw on-device server instead of EmulatorSimulator.
+  use_raw_server: bool = False
+  # If True, enable audio capture from the device. Only applicable if
+  # use_raw_server is True.
+  enable_audio: bool = False
 
 
 @dataclasses.dataclass

android_env/components/simulators/emulator/emulator_launcher.py

@@ -17,6 +17,7 @@
 
 import glob
 import os
+import shutil
 import subprocess
 import tempfile
 
@@ -164,8 +165,14 @@ def confirm_shutdown(self) -> None:
   def close(self):
     """Clean up launcher files and processes."""
     if not self._is_closed:
-      self._local_tmp_dir_handle.cleanup()
       self.confirm_shutdown()
+      if os.path.exists(self._logfile_path):
+        try:
+          shutil.copyfile(self._logfile_path, '/tmp/emulator_output_debug')
+          logging.info('Copied emulator log to /tmp/emulator_output_debug')
+        except Exception as e:  # pylint: disable=broad-exception-caught
+          logging.error('Failed to copy emulator log: %s', e)
+      self._local_tmp_dir_handle.cleanup()
       self._is_closed = True
 
   def __del__(self):