如果我在我的活動中滾動，則該bottom navigation欄在我的活動中是可滾動的，然后底部導航欄會自動隱藏，但我在banner ad下面的影像中遇到問題。我已經實施了活動底部的橫幅廣告。但底部導航欄位于廣告上方（重疊）。
下面的代碼是我的布局： -
<?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:orientation="vertical"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<include
android:id="@ id/toolbar"
layout="@layout/main_toolbar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</include>
<androidx.fragment.app.FragmentContainerView
android:id="@ id/navHostFrag"
android:name="androidx.navigation.fragment.NavHostFragment"
android:layout_width="match_parent"
android:layout_height="0dp"
app:defaultNavHost="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/toolbar"
app:layout_constraintVertical_bias="1.0"
app:navGraph="@navigation/mobile_navigation" />
</androidx.constraintlayout.widget.ConstraintLayout>
<com.google.android.gms.ads.AdView
android:id="@ id/mAdView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_anchor="@id/navView"
app:adSize="FULL_BANNER"
app:adUnitId="ca-app-pub-3940256099942544/6300978111"/>
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@ id/navView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?android:attr/windowBackground"
app:itemTextColor="@drawable/bottom_text_selector"
app:itemIconTint="@drawable/bottom_navigation_selector"
app:layout_behavior="@string/hide_bottom_view_on_scroll_behavior"
app:itemTextAppearanceActive="@color/white"
app:labelVisibilityMode="labeled"
app:itemRippleColor="?android:attr/windowBackground"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_gravity="bottom"
app:layout_constraintRight_toRightOf="parent"
app:menu="@menu/bottom_nav_menu">
</com.google.android.material.bottomnavigation.BottomNavigationView>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
你的回答對我來說很有價值。
uj5u.com熱心網友回復：
經過幾個小時的搜索。我通過使用這個屬性得到了我的問題的答案mAdView
android:layout_gravity="top"
uj5u.com熱心網友回復：
首先，您需要創建要移動的片段，然后在片段布局的末尾添加廣告的 xml 第一張圖片，第二張圖片
<androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".ui.activity.MainActivity"
xmlns:android="http://schemas.android.com/apk/res/android">
<FrameLayout
android:id="@ id/container"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@id/bottomNavigationView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@ id/tvTitle" />
<!-- <ImageButton
android:id="@ id/ibMenu"
android:layout_width="@dimen/_24sdp"
android:layout_height="@dimen/_24sdp"
android:layout_marginStart="@dimen/_8sdp"
android:layout_marginLeft="@dimen/_8sdp"
android:layout_marginTop="@dimen/_8sdp"
android:background="@drawable/ic_menu"
android:backgroundTint="@color/menu_bar"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />-->
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@ id/bottomNavigationView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Bottom Navigation"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:labelVisibilityMode="labeled"
app:itemTextAppearanceActive="@style/BottomNavigationView.Active"
app:itemTextAppearanceInactive="@style/BottomNavigationView"
app:menu="@menu/bottom_nav">
</com.google.android.material.bottomnavigation.BottomNavigationView>
<TextView
android:id="@ id/tvTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="72dp"
android:layout_marginTop="@dimen/_8sdp"
android:paddingBottom="@dimen/_8sdp"
android:text=""
android:textColor="@color/urbitext"
android:textSize="@dimen/_15sdp"
android:textStyle="bold"
app:layout_constraintEnd_toStartOf="@ id/ivHelp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@ id/iv_setting"
android:layout_width="@dimen/_22sdp"
android:layout_height="@dimen/_22sdp"
android:layout_alignParentRight="true"
android:layout_marginTop="@dimen/_8sdp"
android:layout_marginEnd="@dimen/_8sdp"
android:layout_marginRight="@dimen/_8sdp"
android:background="@color/transparent"
android:scaleType="centerCrop"
android:src="@drawable/ic_setting"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@ id/ivHelp"
android:layout_width="@dimen/_20sdp"
android:layout_height="@dimen/_20sdp"
android:layout_alignParentRight="true"
android:layout_marginTop="@dimen/_8sdp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:background="@color/transparent"
android:scaleType="centerCrop"
android:src="@drawable/ic_help"
app:layout_constraintEnd_toStartOf="@ id/iv_setting"
app:layout_constraintTop_toTopOf="parent"
app:tint="@color/white" />
</androidx.constraintlayout.widget.ConstraintLayout>
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