RelativeLayout中ActionBar下的ViewPager

Question

ViewPager 在 ActionBar 下面。我怎样才能把它放在下面？

布局：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbarlayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay"
        app:elevation="0dp">

        <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>

    <android.support.design.widget.BottomNavigationView

        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:itemBackground="@color/colorPrimary"
        app:itemIconTint="@drawable/selector"
        android:background="@color/colorPrimary"
        app:itemTextColor="@drawable/selector"
        app:menu="@menu/activity_homebottomnav" />

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/bottom_navigation"
        android:layout_below="@id/appbarlayout"
        android:layout_alignParentTop="true"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</RelativeLayout>

它应该在 BottomNavigationView 之上，但在 ActionBar 之下。

app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:layout_below="@id/appbarlayout"

无效。而且我不想使用 android:layout_marginTop="?android:attr/actionBarSize""

谢谢。

Answer 1

将 AppBarLayout 和 ViewPager 放在 android.support.design.widget.CoordinatorLayout 下，它应该起作用，因为您指定的行为仅在 CoordinatorLayout[=15= 下起作用]

<RelativeLayout 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.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/bottom_navigation">

        <android.support.design.widget.AppBarLayout
            android:id="@+id/appbarlayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/AppTheme.AppBarOverlay"
            app:elevation="0dp">

            <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>

        <android.support.v4.view.ViewPager
            android:id="@+id/viewpager"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
            />

    </android.support.design.widget.CoordinatorLayout>



    <android.support.design.widget.BottomNavigationView
        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:itemBackground="@color/colorPrimary"
        app:itemIconTint="@drawable/selector"
        android:background="@color/colorPrimary"
        app:itemTextColor="@drawable/selector"
        app:menu="@menu/tabs"
        />
</RelativeLayout>

RelativeLayout中ActionBar下的ViewPager

ViewPager under ActionBar in RelativeLayout

android

android-layout

android-viewpager

android-actionbar

android-relativelayout