onBuildFinished function

void onBuildFinished(
  1. FrameCallback firstFrameCallback, {
  2. FrameCallback? everyFrameCallback,
})

widget build回调 @param firstFrameCallback: 第一帧完成回调 @param everyFrameCallback: 第二及以后帧完成回调

Implementation

void onBuildFinished(FrameCallback firstFrameCallback, {FrameCallback? everyFrameCallback}) {
  WidgetsBinding.instance.addPostFrameCallback(firstFrameCallback);

  if (everyFrameCallback != null) {
    WidgetsBinding.instance.addPersistentFrameCallback(everyFrameCallback);
  }
}