onGetLayoutInflater() cannot be executed until the Fragment is attached to the FragmentManager
出现这个异常来自于在Fragment中动态添加一个布局，切换的时候崩溃
写法如下：
代码语言：javascript复制getLayoutInflater().inflate(R.layout.layout_footer...)调用的是Activity的getLayoutInflater 这句代码原本是没有什么问题的，但是在Fragment中使用就有问题了。
解决办法：
换一种写法
代码语言：javascript复制View view = inflater.inflate(R.layout.fragment_dialog_enum, null);
Button button = (Button) LayoutInflater.from(view.getContext()).inflate(R.layout.fragment_bottom_button, null);所以，在Activity中可以直接用getLayoutInflater().inflate的方式，
在Fragment中要用LayoutInflater.from(getActivity()).inflate。
源码：
代码语言：javascript复制 /**
* Returns the cached LayoutInflater used to inflate Views of this Fragment. If
* {@link #onGetLayoutInflater(Bundle)} has not been called {@link #onGetLayoutInflater(Bundle)}
* will be called with a {@code null} argument and that value will be cached.
* <p>
* The cached LayoutInflater will be replaced immediately prior to
* {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} and cleared immediately after
* {@link #onDetach()}.
*
* @return The LayoutInflater used to inflate Views of this Fragment.
*/
@NonNull
public final LayoutInflater getLayoutInflater() {
if (mLayoutInflater == null) {
return performGetLayoutInflater(null);
}
return mLayoutInflater;
}
