CollapsingParallaxManager.java 文件源码

@Override
public FrameLayout createViewInstance(ThemedReactContext context) {
    FrameLayout view = new FrameLayout(context);
    CollapsingToolbarLayout.LayoutParams params = new CollapsingToolbarLayout.LayoutParams(
        CollapsingToolbarLayout.LayoutParams.MATCH_PARENT,
        CollapsingToolbarLayout.LayoutParams.WRAP_CONTENT
    );
    params.setCollapseMode(CollapsingToolbarLayout.LayoutParams.COLLAPSE_MODE_PARALLAX);
    view.setLayoutParams(params);
    return view;
}