ClassCastException: androidx.appcompat.widget.ActionMenuView не может быть приведен к androidx.appcompat.view.menu.ListMenuItemView - PullRequest
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ClassCastException: androidx.appcompat.widget.ActionMenuView не может быть приведен к androidx.appcompat.view.menu.ListMenuItemView

0 голосов
/ 28 марта 2020

MainActivity. java

package tk.serdarsevimli.devicemanager.activities;

import android.os.Bundle;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Menu;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import tk.serdarsevimli.devicemanager.R;
import tk.serdarsevimli.devicemanager.tools.util.ToastUtils;

import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.navigation.NavigationView;
import com.google.android.material.snackbar.Snackbar;

public class MainActivity extends AppCompatActivity {

    private AppBarConfiguration mAppBarConfiguration;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        DrawerLayout drawer = findViewById(R.id.drawer_layout);
        NavigationView navigationView = findViewById(R.id.nav_view);
        // Passing each menu ID as a set of Ids because each
        // menu should be considered as top level destinations.
        mAppBarConfiguration = new AppBarConfiguration.Builder(
                R.id.nav_home, R.id.nav_gallery, R.id.nav_slideshow)
                .setDrawerLayout(drawer)
                .build();
        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
        NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
        NavigationUI.setupWithNavController(navigationView, navController);
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.

        try {
            getMenuInflater().inflate(R.menu.fav_menu, menu);
        }catch (ClassCastException e){
            ToastUtils.showLong(MainActivity.this,e.getMessage());
        }
        return true;
    }

    @Override
    public boolean onSupportNavigateUp() {
        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
        return NavigationUI.navigateUp(navController, mAppBarConfiguration)
                || super.onSupportNavigateUp();
    }
}

app_bar_layout. xml


    <?xml version="1.0" encoding="utf-8"?>
    <androidx.coordinatorlayout.widget.CoordinatorLayout
        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=".activities.MainActivity">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/app_bar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/AppTheme.AppBarOverlay">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="@android:color/holo_orange_dark"
                app:popupTheme="@style/AppTheme.PopupOverlay" />
        </com.google.android.material.appbar.AppBarLayout>

        <include layout="@layout/content_main" />
        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
            android:layout_margin="@dimen/fab_margin"
            app:srcCompat="@android:drawable/ic_dialog_email" />
    </androidx.coordinatorlayout.widget.CoordinatorLayout>

fav_menu. xml

<?xml version="1.0" encoding="utf-8"?>
<menu 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"
    tools:context=".activities.MainActivity">
    <!-- "Mark Favorite", should appear as action button if possible -->
    <item
        android:id="@+id/action_favorite"
        android:title="@string/action_favorite"
        android:icon="@android:drawable/ic_secure"
        app:showAsAction="always"/>

    <!-- Settings, should always be in the overflow -->
    <item android:id="@+id/action_settings"
        android:title="@string/action_settings"
        android:icon="@android:drawable/ic_menu_send"
        app:showAsAction="never"/>
</menu>

Для скриншота нажмите

Я получаю следующие сообщения об ошибках. * .lang.ClassCastException: androidx.appcompat.widget.ActionMenuView не может быть приведен к androidx.appcompat.view.menu.ListMenuItemView в androidx.appcompat.view.menu.MenuAdapter.getView (MenuAdapter. java: 101) в androidx. appcompat.view.menu.MenuPopup.measureIndividualMenuWidth (MenuPopup. java: 161) в androidx.appcompat.view.menu.StandardMenuPopup.tryShow (StandardMenuPopup. java: 174) в androidx.appMenup.Puup.Puup.Puup.Puup.Penup.Puup.Pu. show (StandardMenuPopup. java: 208) в androidx.appcompat.view.menu.MenuPopupHelper.showPopup (MenuPopupHelper. java: 290) в androidx.appcompat.view.menu.MenuPopupHelper.tryShow (MenuPopupH28: 10 .upupH28). 177) на androidx.appcompat.widget. ActionMenuPresenter $ OpenOverflowRunnable.run (ActionMenuPresenter. java: 796) в android .os.Handler.handleCallback (Обработчик. java: 873) в android .os.Handler.dispatchMessage (Обработчик. java: 99) на android .os.Looper.l oop (Looper. java: 201) на android .app.ActivityThread.main (ActivityThread. java: 6820) на java .lang. refle.Method.invoke (собственный метод) в com. android .internal.os.RuntimeInit $ MethodAndArgsCaller.run (RuntimeInit. java: 547) в com. android .internal.os.ZygoteInit.main (ZygoteInit . java: 922) I / i.devicemanage: вызван System.exit, статус: 2 I / AndroidRuntime: виртуальная машина завершает работу с кодом результата 2, очистка пропущена. Отключен от целевой виртуальной машины, адрес: «localhost: 8600», транспорт: «сокет»

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