java.lang.IllegalStateException: The specified child already has a parent. You must call removeView
2016-08-25 12:04
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添加frament到ViewPager中出现 java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child’s parent first 解决办法。
异常问题原因: 子View已经添加到了一个ViewGroup中不能再将其添加到另一个ViewGroup。(一个孩子不能有两个爹)错误代码
主要是因为我在自定义的MyFragment中将当前对象的视图添加到了MyFragment中的ViewGroup中,所以在MyFragmentPagerAdapter中不能再:public class MyFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view=inflater.inflate(R.layout.fragment, container, false); //接收值 Bundle bundle=getArguments(); int page = bundle.getInt("page"); TextView tv=(TextView) view.findViewById(R.id.tv); switch (page) { case 0: tv.setText("首页"); break; case 1: tv.setText("联系人"); break; case 2: tv.setText("发现"); break; case 3: tv.setText("用户"); break; } //不能将Fragmeng添加到container中,这样设置到pageradapter中时就会报错 container.addView(view); return view; } }
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