【Android异常】The specified child already has a parent. You must call removeView() on the child's parent first.

 

错误信息： 

Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.

信息补充：

使用FragmentActvitiy + Fragment

错误原因：

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.preference_fragment, container);

解决办法： 

View v = inflater.inflate(R.layout.preference_fragment, container, false);

补充信息：

导致此错误并不一定就是这个原因，大家也能搜到很多其他的原因，这里备注一下。 

之前使用ActionBar里面的Fragment好像是可以的。