当约束布局在 ScrollView 内时，如何修复底部导航栏？
How to fix a bottom navigation bar when Constraint layout is within ScrollView?
我的 xml 文件中的 Scrollview 中有约束布局，我希望在移动屏幕底部有一个固定的导航栏，当我滚动页面时无法滚动。当我的约束布局在Scrollview内时（因为我希望滚动时整个页面内容滚动），如何修复移动屏幕底部的底部导航栏？附件是 xml 布局文件。 This is the image of the bottom navigation bar.
XML 在 ScrollView 中使用 Constraint 布局的布局文件 -
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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:orientation="vertical">
<ScrollView
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:background="@drawable/background"
android:id="@+id/exception_handling_layout"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/ebackarrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/backarrow"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.039"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.124" />
<TextView
android:id="@+id/ebackToDashboard"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Exception Handling"
android:textColor="@color/white"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.11"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.117" />
<TextView
android:id="@+id/textView100"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Please provide a comment if you have any"
android:textColor="@color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.11"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.19" />
<androidx.cardview.widget.CardView
android:id="@+id/cardViewException"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="15dp"
android:layout_marginLeft="15dp"
android:layout_marginBottom="20dp"
app:cardCornerRadius="6dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView100"
app:layout_constraintVertical_bias="0.03">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/teal"
android:paddingBottom="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardView">
<TextView
android:id="@+id/subjectText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:padding="5dp"
android:text="Subject"
android:textSize="16sp"
android:textColor="@color/white"
android:textStyle="bold" />
<androidx.cardview.widget.CardView
android:layout_width="345dp"
android:layout_height="wrap_content"
android:layout_marginTop="50dp"
android:layout_marginLeft="16dp"
android:id="@+id/exceptioncardview"
android:background="@color/teal"
app:cardCornerRadius="6dp"
app:layout_constraintTop_toBottomOf="@+id/subjectText">
<Spinner
android:id="@+id/spinnerExceptionHandling"
android:layout_width="match_parent"
android:layout_height="50dp"
android:gravity="center"/>
</androidx.cardview.widget.CardView>
<TextView
android:id="@+id/commentstext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="130dp"
android:padding="5dp"
android:text="Comments"
android:textColor="@color/white"
android:textStyle="bold"
android:textSize="16sp"
app:layout_constraintTop_toBottomOf="@+id/exceptioncardview"/>
<EditText
android:id="@+id/commentsExceptionHandling"
android:layout_width="match_parent"
android:layout_height="250dp"
android:layout_marginTop="170dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginBottom="30dp"
android:background="@drawable/commentedittext"
android:hint="Type here..."
android:gravity="top"
android:paddingLeft="20dp"
android:paddingTop="15dp"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<Button
android:id="@+id/submitexceptionhandlingBtn"
android:layout_width="375dp"
android:layout_height="wrap_content"
android:textAllCaps="false"
android:padding="20dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:background="@drawable/flightclosurebutton"
android:text="Submit"
android:textStyle="bold"
android:textColor="@color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardViewException"
app:layout_constraintVertical_bias="0.0" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:menu="@menu/bottom_navigation" />
</LinearLayout>
你可以这样做。
<LinearLayout
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:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@drawable/background"
android:id="@+id/exception_handling_layout"
android:fillViewport="true">
<!-- Your content goes here -->
</ScrollView>
<!-- Bottom nav goes here -->
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:menu="@menu/bottom_navigation" />
</LinearLayout>
我的 xml 文件中的 Scrollview 中有约束布局，我希望在移动屏幕底部有一个固定的导航栏，当我滚动页面时无法滚动。当我的约束布局在Scrollview内时（因为我希望滚动时整个页面内容滚动），如何修复移动屏幕底部的底部导航栏？附件是 xml 布局文件。 This is the image of the bottom navigation bar.
XML 在 ScrollView 中使用 Constraint 布局的布局文件 -
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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:orientation="vertical">
<ScrollView
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:background="@drawable/background"
android:id="@+id/exception_handling_layout"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/ebackarrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/backarrow"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.039"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.124" />
<TextView
android:id="@+id/ebackToDashboard"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Exception Handling"
android:textColor="@color/white"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.11"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.117" />
<TextView
android:id="@+id/textView100"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Please provide a comment if you have any"
android:textColor="@color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.11"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.19" />
<androidx.cardview.widget.CardView
android:id="@+id/cardViewException"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="15dp"
android:layout_marginLeft="15dp"
android:layout_marginBottom="20dp"
app:cardCornerRadius="6dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView100"
app:layout_constraintVertical_bias="0.03">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/teal"
android:paddingBottom="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardView">
<TextView
android:id="@+id/subjectText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="10dp"
android:padding="5dp"
android:text="Subject"
android:textSize="16sp"
android:textColor="@color/white"
android:textStyle="bold" />
<androidx.cardview.widget.CardView
android:layout_width="345dp"
android:layout_height="wrap_content"
android:layout_marginTop="50dp"
android:layout_marginLeft="16dp"
android:id="@+id/exceptioncardview"
android:background="@color/teal"
app:cardCornerRadius="6dp"
app:layout_constraintTop_toBottomOf="@+id/subjectText">
<Spinner
android:id="@+id/spinnerExceptionHandling"
android:layout_width="match_parent"
android:layout_height="50dp"
android:gravity="center"/>
</androidx.cardview.widget.CardView>
<TextView
android:id="@+id/commentstext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="130dp"
android:padding="5dp"
android:text="Comments"
android:textColor="@color/white"
android:textStyle="bold"
android:textSize="16sp"
app:layout_constraintTop_toBottomOf="@+id/exceptioncardview"/>
<EditText
android:id="@+id/commentsExceptionHandling"
android:layout_width="match_parent"
android:layout_height="250dp"
android:layout_marginTop="170dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginBottom="30dp"
android:background="@drawable/commentedittext"
android:hint="Type here..."
android:gravity="top"
android:paddingLeft="20dp"
android:paddingTop="15dp"/>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<Button
android:id="@+id/submitexceptionhandlingBtn"
android:layout_width="375dp"
android:layout_height="wrap_content"
android:textAllCaps="false"
android:padding="20dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:background="@drawable/flightclosurebutton"
android:text="Submit"
android:textStyle="bold"
android:textColor="@color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardViewException"
app:layout_constraintVertical_bias="0.0" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:menu="@menu/bottom_navigation" />
</LinearLayout>
你可以这样做。
<LinearLayout
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:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="@drawable/background"
android:id="@+id/exception_handling_layout"
android:fillViewport="true">
<!-- Your content goes here -->
</ScrollView>
<!-- Bottom nav goes here -->
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:menu="@menu/bottom_navigation" />
</LinearLayout>