附录 本文涉及到相关源码文件 flutter/shell/common/ - vsync_waiter.cc - engine.cc - animator.cc - shell.cc - rasterizer.cc flutter/shell/platform/android/ - vsync_waiter_android.cc - platform_view_android_jni.cc - library_loader.cc - io/flutter/view/VsyncWaiter.java flutter/r