1.Flutter页面嵌入原生
public class MyFlutterActivity extends FragmentActivity { FlutterFragment flutterFragment; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my_flutter); initFlutterEngine(); attachFlutterFragment(); } String ENGINE_ID = "a"; private FlutterEngine initFlutterEngine() { FlutterEngine flutterEngine = FlutterEngineCache.getInstance().get(ENGINE_ID); if (null == flutterEngine) { flutterEngine = new FlutterEngine(this); flutterEngine.getNavigationChannel().setInitialRoute("/"); flutterEngine.getDartExecutor().executeDartEntrypoint(DartExecutor.DartEntrypoint.createDefault()); FlutterEngineCache .getInstance() .put(ENGINE_ID, flutterEngine); messageChannelFunction(this,flutterEngine); } return flutterEngine; } private void attachFlutterFragment() { if (null == flutterFragment) { flutterFragment = FlutterFragment.withCachedEngine(ENGINE_ID) .shouldAttachEngineToActivity(true) .build(); } getSupportFragmentManager() .beginTransaction() .add(R.id.container, flutterFragment) .commit(); } }