运行闪退，以下为报错，注释掉重写的方法和initVIew可以运行但是ViewPager没有显示

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.taobao/com.example.taobao.MainActivity}: android.view.InflateException: Binary XML file line #9: Error inflating class fragment

    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)

    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)

    at android.app.ActivityThread.access$800(ActivityThread.java:151)

    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)

    at android.os.Handler.dispatchMessage(Handler.java:102)

    at android.os.Looper.loop(Looper.java:135)

    at android.app.ActivityThread.main(ActivityThread.java:5254)

    at java.lang.reflect.Method.invoke(Native Method)

    at java.lang.reflect.Method.invoke(Method.java:372)

    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)

    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)

   Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class fragment

public class MainActivity extends AppCompatActivity /*implements MyViewPager.OnViewPagerTouchListener
        , ViewPager.OnPageChangeListener*/ {


    View view;

    private MyViewPager mLoopPager;
    private LoopPagerAdapter mLoopPagerAdapter;
    private static List<Integer> sPics = new ArrayList<>();

    private Handler mHandler;
    private Boolean mFlag = false;


    static {
        sPics.add(R.drawable.pic1);
        sPics.add(R.drawable.pic2);
        sPics.add(R.drawable.pic3);
        sPics.add(R.drawable.pic4);
        sPics.add(R.drawable.pic5);
    }

    private LinearLayout pointContainer;


    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

//        BottomNavigationView bottomNavigationView = findViewById(R.id.bottomNavigationView);
//
//        NavController navController = Navigation.findNavController(this, R.id.fragment);
//
//        AppBarConfiguration configuration = new AppBarConfiguration.Builder(bottomNavigationView.getMenu()).build();
//        NavigationUI.setupWithNavController(bottomNavigationView, navController);

        //initView();
        mHandler = new Handler();
    }


//    @Override
//    public void onAttachedToWindow() {
//        super.onAttachedToWindow();
//        mHandler.post(mLoopTask);
//
//    }
//
//    @Override
//    public void onDetachedFromWindow() {
//        super.onDetachedFromWindow();
//        mHandler.removeCallbacks(mLoopTask);
//    }
//
//    private Runnable mLoopTask = new Runnable() {
//        @Override
//        public void run() {
//            if (!mFlag) {
//                int currentItem = mLoopPager.getCurrentItem();
//                mLoopPager.setCurrentItem(++currentItem, true);
//
//            }
//            mHandler.postDelayed(this, 2000);
//
//        }
//    };
//
//    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
//    private void initView() {
//
//
//        view = View.inflate(this, R.layout.activity_main, null);
//
//        //mLoopPager = (MyViewPager) this.findViewById(R.id.loop);
//        mLoopPager = (MyViewPager) view.findViewById(R.id.loop);//这个为什么会为空
//
//        if (mLoopPager == null) {
//            Log.e("MainActivity", "viewPager should not be null");
//        }
//
//
//        //设置适配器
//        mLoopPagerAdapter = new LoopPagerAdapter();
//        if (mLoopPagerAdapter == null) {
//            Log.e("MainActivity", "viewPagerAdapter should not be null");
//        }
//        mLoopPagerAdapter.setData(sPics);
//        mLoopPager.setAdapter(mLoopPagerAdapter);
//
//        mLoopPager.setOnViewPagerListener(this);
//        mLoopPager.addOnPageChangeListener(this);
//        //根据图片的个数去添加点的个数
//        pointContainer = (LinearLayout) this.findViewById(R.id.points);
//
//        InsertPoint();
//
//        mLoopPager.setCurrentItem(100 * sPics.size() - 1, false);
//    }
//
//    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)
//    private void InsertPoint() {
//        for (int i = 0; i < sPics.size(); i++) {
//            View point = new View(this);
//            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(40, 40);
//            layoutParams.leftMargin = 20;
//            point.setBackground(getResources().getDrawable(R.drawable.normal_point));
//            point.setLayoutParams(layoutParams);
//
//
//            pointContainer.addView(point);
//
//
//        }
//    }
//
//
//    @Override
//    public void onPagerTouch(Boolean isTouch) {
//        mFlag = isTouch;
//    }
//
//    @Override
//    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
//
//    }
//
//    @Override
//    public void onPageSelected(int position) {
//        //viewPager停下来时的点位置
//        int realPos;
//        if (mLoopPagerAdapter.getDataRealSize() != 0) {
//            realPos = position % mLoopPagerAdapter.getDataRealSize();
//        } else {
//            realPos = 0;
//        }
//        setSelectPoint(realPos);
//
//    }
//
//    private void setSelectPoint(int realPos) {
//        for (int i = 0; i < pointContainer.getChildCount(); i++) {
//            View point = pointContainer.getChildAt(i);
//            if (i != realPos) {
//                point.setBackgroundResource(R.drawable.normal_point);
//            } else {
//                point.setBackgroundResource(R.drawable.select_point);
//            }
//        }
//    }
//
//    @Override
//    public void onPageScrollStateChanged(int state) {
//
//    }
}

package com.example.taobao;

import androidx.lifecycle.ViewModelProviders;

import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class HomeFragment extends Fragment {

    View view;
    private HomeViewModel mViewModel;

    public static HomeFragment newInstance() {
        return new HomeFragment();
    }

    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
                             @Nullable Bundle savedInstanceState) {
        //view = inflater.inflate(R.layout.home_fragment, null);
//        mLoopPager = (MyViewPager) this.findViewById(R.id.loop);
        return inflater.inflate(R.layout.home_fragment, container, false);
        //return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        mViewModel = ViewModelProviders.of(this).get(HomeViewModel.class);
        // TODO: Use the ViewModel


    }

}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <fragment
        android:id="@+id/fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:defaultNavHost="true"
        app:layout_constraintBottom_toTopOf="@+id/bottomNavigationView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navGraph="@navigation/guide" />

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottomNavigationView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/design_default_color_background"
        app:labelVisibilityMode="labeled"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:menu="@menu/menu" />
</androidx.constraintlayout.widget.ConstraintLayout>