技术咨询：该Android菜单视图的名称是什么？如何仿制同款？

Hey there! Since you didn't share a screenshot of the specific menu view you're asking about, I'll walk you through the most common official Android menu components and how to build them—this should cover what you're looking for!

Android has several official menu view components tailored for different use cases:

• Options Menu (Overflow Menu): The classic app-level menu, usually triggered by the three-dot icon in the AppBar or the physical menu button (on older devices). It holds actions that apply to the entire app or current screen.
• BottomNavigationView: The popular bottom-aligned navigation menu used to switch between top-level app sections (like Home, Search, Profile).
• PopupMenu: A context menu that pops up near a specific view (e.g., after a long press or button tap) to show actions relevant to that view.
• NavigationDrawer: A slide-out menu from the left (or right) edge of the screen, used for primary app navigation with more options than a bottom nav.

Let's break down how to build each of these:

1. Options Menu #

Step 1: Create the menu XML #

In your res/menu directory, create a file like menu_main.xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/action_settings"
        android:title="@string/settings"
        android:icon="@drawable/ic_settings"
        android:showAsAction="ifRoom" /> <!-- Shows icon if space allows -->
    <item
        android:id="@+id/action_help"
        android:title="@string/help"
        android:showAsAction="never" /> <!-- Hides in overflow -->
</menu>

Step 2: Hook it up to your Activity/Fragment #

In your Kotlin Activity:

override fun onCreateOptionsMenu(menu: Menu): Boolean {
    // Inflate the menu into the AppBar
    menuInflater.inflate(R.menu.menu_main, menu)
    return true
}

override fun onOptionsItemSelected(item: MenuItem): Boolean {
    // Handle menu item clicks
    return when (item.itemId) {
        R.id.action_settings -> {
            // Open settings screen or perform action
            true
        }
        R.id.action_help -> {
            // Show help dialog or screen
            true
        }
        else -> super.onOptionsItemSelected(item)
    }
}

2. BottomNavigationView #

Step 1: Add the view to your layout #

In your activity's layout XML:

<com.google.android.material.bottomnavigation.BottomNavigationView
    android:id="@+id/bottom_nav"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom"
    app:menu="@menu/bottom_nav_menu" />

Step 2: Create the bottom nav menu XML #

Make res/menu/bottom_nav_menu.xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/nav_home"
        android:title="@string/home"
        android:icon="@drawable/ic_home" />
    <item
        android:id="@+id/nav_search"
        android:title="@string/search"
        android:icon="@drawable/ic_search" />
    <item
        android:id="@+id/nav_profile"
        android:title="@string/profile"
        android:icon="@drawable/ic_profile" />
</menu>

Step 3: Set up click listeners #

In your Activity:

val bottomNav = findViewById<BottomNavigationView>(R.id.bottom_nav)
bottomNav.setOnItemSelectedListener { item ->
    when (item.itemId) {
        R.id.nav_home -> {
            // Switch to Home fragment/screen
            true
        }
        R.id.nav_search -> {
            // Switch to Search fragment/screen
            true
        }
        R.id.nav_profile -> {
            // Switch to Profile fragment/screen
            true
        }
        else -> false
    }
}

3. PopupMenu #

Step 1: Create the popup menu XML #

Make res/menu/popup_menu.xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/action_share"
        android:title="@string/share"
        android:icon="@drawable/ic_share" />
    <item
        android:id="@+id/action_delete"
        android:title="@string/delete"
        android:icon="@drawable/ic_delete" />
</menu>

Step 2: Trigger the popup from a view #

In your Activity, attach the popup to a button or view:

val triggerButton = findViewById<Button>(R.id.btn_show_popup)
triggerButton.setOnClickListener { anchorView ->
    val popupMenu = PopupMenu(this, anchorView)
    popupMenu.menuInflater.inflate(R.menu.popup_menu, popupMenu.menu)
    
    popupMenu.setOnMenuItemClickListener { item ->
        when (item.itemId) {
            R.id.action_share -> {
                // Perform share action
                true
            }
            R.id.action_delete -> {
                // Perform delete action
                true
            }
            else -> false
        }
    }
    
    popupMenu.show()
}

If you had a specific menu style in mind (like a custom-styled popup or a different navigation menu), feel free to share more details or a screenshot, and I can refine this answer!

内容的提问来源于stack exchange，提问作者Toka A. Amin