[feat] add native Android controller

apps/android/scripts/test_protocol.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+"""Check Android's native packets against the shared desktop wire parser."""
+import os
+from pathlib import Path
+import subprocess
+import tempfile
+
+ANDROID = Path(__file__).resolve().parents[1]
+ROOT = ANDROID.parents[1]
+headers = list((ANDROID / '.native/packages/n/nlohmann_json').glob('*/**/include/nlohmann/json.hpp'))
+if not headers:
+    raise SystemExit('Build the Android app first to populate its pinned native dependencies.')
+with tempfile.TemporaryDirectory(prefix='crossdesk-android-protocol-') as temporary:
+    binary = Path(temporary) / 'controller-protocol-test'
+    subprocess.run([os.environ.get('CXX', 'c++'), '-std=c++17',
+                    '-I' + str(headers[0].parents[1]),
+                    '-I' + str(ANDROID / 'native'),
+                    '-I' + str(ROOT / 'deps/submodules/minirtc/src/api'),
+                    '-I' + str(ROOT / 'libs/wire/include'),
+                    str(ANDROID / 'native/tests/controller_protocol_test.cpp'),
+                    str(ROOT / 'libs/wire/src/remote_action.cpp'), '-o', str(binary)], check=True)
+    subprocess.run([str(binary)], check=True)
+    video_test = Path(temporary) / 'video-pipeline-test'
+    subprocess.run([os.environ.get('CXX', 'c++'), '-std=c++17', '-pthread',
+                    '-I' + str(ANDROID / 'native'),
+                    '-I' + str(ROOT / 'deps/submodules/minirtc/src/api'),
+                    str(ANDROID / 'native/tests/video_pipeline_test.cpp'),
+                    '-o', str(video_test)], check=True)
+    subprocess.run([str(video_test)], check=True, timeout=10)
+print('PASS: Android video settings / desktop wire round-trip and native network fields')
+print('PASS: long video latency, invalid clocks, latest-frame rendering and shutdown')