我有以下错误。我在 DailyVerseFragment 上添加了构造函数。但它仍然不起作用。我有这个问题超过一个星期。
Fatal Exception: java.lang.RuntimeException
Unable to start activity ComponentInfo{com.donghyouny.biblecard/com.donghyouny.biblecard.MainActivity}: androidx.fragment.app.Fragment$InstantiationException: Unable to instantiate fragment com.donghyouny.biblecard.DailyVerseFragment: could not find Fragment constructor
package com.donghyouny.biblecard;
import android.annotation.SuppressLint;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Build;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.view.Menu;
import android.view.ViewGroup;
import android.widget.Button;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.navigation.NavigationView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.ActionBarDrawerToggle;
import androidx.core.view.GravityCompat;
import androidx.fragment.app.Fragment;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import androidx.drawerlayout.widget.DrawerLayout; …