ReactViewBackgroundDrawable.java 文件源码

public @Nullable PathEffect getPathEffect(float borderWidth) {
  switch (this) {
    case SOLID:
      return null;

    case DASHED:
      return new DashPathEffect(
          new float[] {borderWidth*3, borderWidth*3, borderWidth*3, borderWidth*3}, 0);

    case DOTTED:
      return new DashPathEffect(
          new float[] {borderWidth, borderWidth, borderWidth, borderWidth}, 0);

    default:
      return null;
  }
}