NavigationView 中的菜单位于 header 下方

Question

我将 NavigationView 的 header 从包含文件移动到 NavigationView 的内容（因为我需要使用合成访问小部件），但是菜单项跳到 header 下面，我该如何修复它？我尝试禁用 fitsSystemWindows 但没有成功：

<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.widget.DrawerLayout 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:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:openDrawer="start">

    <include
        layout="@layout/app_bar_home"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <com.google.android.material.navigation.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"

        app:menu="@menu/activity_home_drawer" >

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="@dimen/nav_header_height"
            android:background="@drawable/side_nav_bar"
            android:gravity="bottom"
            android:orientation="vertical"
            android:paddingLeft="@dimen/activity_horizontal_margin"
            android:paddingTop="@dimen/activity_vertical_margin"
            android:paddingRight="@dimen/activity_horizontal_margin"
            android:paddingBottom="@dimen/activity_vertical_margin"
            android:theme="@style/ThemeOverlay.AppCompat.Dark">

            <ImageView
                android:id="@+id/profile_image"
                android:visibility="invisible"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentTop="true"
                android:layout_alignParentRight="true"
                android:contentDescription="@string/nav_header_desc"
                app:srcCompat="@mipmap/ic_launcher_round" />

            <TextView
                android:id="@+id/user_email"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignBottom="@id/profile_image"
                android:layout_toLeftOf="@id/profile_image"
                android:gravity="center"
                android:text="@string/nav_header_subtitle" />

            <TextView
                android:id="@+id/user_name"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_above="@id/user_email"
                android:layout_alignParentLeft="true"
                android:layout_toLeftOf="@id/profile_image"
                android:fontFamily="@font/uifont"
                android:gravity="center"
                android:paddingTop="@dimen/nav_header_vertical_spacing"
                android:text="@string/nav_header_title"
                android:textAppearance="@style/TextAppearance.AppCompat.Body1" />


        </RelativeLayout>

    </com.google.android.material.navigation.NavigationView>

</androidx.drawerlayout.widget.DrawerLayout>

Answer 1

这是我的布局和完美的作品：activity_main:

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.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">
    <!-- AppBarLayout should be here -->
    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/AppTheme.PopupOverlay" />
    </android.support.design.widget.AppBarLayout>

    <!-- add app:layout_behavior="@string/appbar_scrolling_view_behavior" -->

    <android.support.v4.widget.DrawerLayout
        android:id="@+id/drawer_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        tools:openDrawer="start">

        <include
            layout="@layout/app_bar_main"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

        <android.support.design.widget.NavigationView
            android:id="@+id/nav_view"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_gravity="start"
            android:fitsSystemWindows="true"
            app:headerLayout="@layout/nav_header_main"
            app:menu="@menu/activity_main_drawer" />
    </android.support.v4.widget.DrawerLayout>
</android.support.design.widget.CoordinatorLayout>

app_bar_main.xml:

<FrameLayout
    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"
    android:fitsSystemWindows="true"
    tools:context=".activty.MainActivity">
    <include layout="@layout/content_main"/>
</FrameLayout>

Answer 2

将您的相关布局（header 设计）移动到不同的布局文件： header.xml

        <ImageView
            android:id="@+id/profile_image"
            android:visibility="invisible"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:layout_alignParentRight="true"
            android:contentDescription="@string/nav_header_desc"
            app:srcCompat="@mipmap/ic_launcher_round" />

        <TextView
            android:id="@+id/user_email"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignBottom="@id/profile_image"
            android:layout_toLeftOf="@id/profile_image"
            android:gravity="center"
            android:text="@string/nav_header_subtitle" />

        <TextView
            android:id="@+id/user_name"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_above="@id/user_email"
            android:layout_alignParentLeft="true"
            android:layout_toLeftOf="@id/profile_image"
            android:fontFamily="@font/uifont"
            android:gravity="center"
            android:paddingTop="@dimen/nav_header_vertical_spacing"
            android:text="@string/nav_header_title"
            android:textAppearance="@style/TextAppearance.AppCompat.Body1" />


    </RelativeLayout>

在您的抽屉屏幕中：

<androidx.drawerlayout.widget.DrawerLayout 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:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:openDrawer="start">


  <include
        layout="@layout/app_bar_home"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <com.google.android.material.navigation.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/header"
        app:menu="@menu/activity_home_drawer" >


    </com.google.android.material.navigation.NavigationView>

</androidx.drawerlayout.widget.DrawerLayout>

在您的 java 文件中，要访问 header 布局中的 header 视图：

val headerView: View = nav_view.getHeaderView(0)
headerView.user_name.text = "Some Value"

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