在fragment中实例化一个布局，点击其他fragment后再点击回来报错

Question

10-20 04:24:35.864: E/AndroidRuntime(1390): FATAL EXCEPTION: main
10-20 04:24:35.864: E/AndroidRuntime(1390): Process: com.example.navigationdrawertest, PID: 1390
10-20 04:24:35.864: E/AndroidRuntime(1390): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
10-20 04:24:35.864: E/AndroidRuntime(1390): at android.view.ViewGroup.addViewInner(ViewGroup.java:3562)
10-20 04:24:35.864: E/AndroidRuntime(1390): at android.view.ViewGroup.addView(ViewGroup.java:3415)
10-20 04:24:35.864: E/AndroidRuntime(1390): at android.view.ViewGroup.addView(ViewGroup.java:3391)
貌似是通过LayoutInflater实例化的一个布局(View)。被重复添加了两次。请给出详细一点的解决方案