关于PopupWindow中嵌套viewpager+Fragment报错No view found for id 0x7f10013

正常弹窗我们都会选择PopupWindow来实现 ，当我们有需求 需要在PopupWindow中嵌套Fragment+ViewPager 这个时候就会发现报错了  No view found for id 0x7f10013 并不是我们id写错了 错误的原因大概是：FragmentAdapter传入的是Activity的FragmentManger，默认是在Activity的布局xml中寻找ViewPager，但是实际上它是在弹出的View里定义的。最后的解决办法：用DialogFragment替代  DialogFragment全屏铺满 贴上代码

public class MyDialogFragment extends DialogFragment {
    public MyDialogFragment() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        setStyle(DialogFragment.STYLE_NO_FRAME, android.R.style.Theme_Holo_Light);
        //去出标题
        getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);
        View inflate = inflater.inflate(R.layout.fragment_my_dialog, container, false);
         return inflate;
    }

    @Override
    public void onStart() {
        super.onStart();
        Window win = getDialog().getWindow();
        // 一定要设置Background，如果不设置，window属性设置无效
        win.setBackgroundDrawable( new ColorDrawable(getResources().getColor(R.color.transparent)));
        DisplayMetrics dm = new DisplayMetrics();
        getActivity().getWindowManager().getDefaultDisplay().getMetrics( dm );
        WindowManager.LayoutParams params = win.getAttributes();
        params.gravity = Gravity.BOTTOM;
        // 使用ViewGroup.LayoutParams，以便Dialog 宽度充满整个屏幕
        params.width =  ViewGroup.LayoutParams.MATCH_PARENT;
        params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
        win.setAttributes(params);
    }
   
}