海拔没有在cardview上正确显示

Question

我有下面的xml

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

<data></data>

<androidx.constraintlayout.widget.ConstraintLayout
    android:id="@+id/mainHolder_CL"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.appcompat.widget.AppCompatImageView
        android:id="@+id/preview_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:adjustViewBounds="true"
        android:scaleType="centerCrop"
        app:srcCompat="@color/mcorner_page_background" />

    <androidx.appcompat.widget.AppCompatTextView
        android:id="@+id/title"
        style="@style/HomeScreenTitle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="@string/screen_title_corners"
        app:addWindowInsetMarginTop="@{true}"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.cardview.widget.CardView
        android:id="@+id/cornerPeace"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="30dp"
        android:layout_marginTop="35dp"
        android:layout_marginEnd="30dp"
        android:layout_marginBottom="30dp"
        android:background="@android:color/white"
        app:cardCornerRadius="10dp"
        app:cardElevation="10dp"
        app:layout_constraintBottom_toTopOf="@+id/otherCorners"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/title">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:padding="15dp">

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/peaceImg"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@drawable/ic_bottom_nav_home_new" />

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/header"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp"
                android:text="header"
                android:textColor="@android:color/black"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/peaceImg" />

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/desc"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:layout_marginTop="10dp"
                android:text="description"
                app:layout_constraintBottom_toTopOf="@+id/separator"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/header" />

            <View
                android:id="@+id/separator"
                android:layout_width="0dp"
                android:layout_height="1dp"
                android:layout_marginBottom="5dp"
                android:alpha="0.1"
                android:background="@android:color/black"
                app:layout_constraintBottom_toTopOf="@+id/mins"
                app:layout_constraintEnd_toEndOf="@+id/desc"
                app:layout_constraintStart_toStartOf="@+id/desc" />

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/mins"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:text="minutes"
                android:textColor="@android:color/black"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent" />
        </androidx.constraintlayout.widget.ConstraintLayout>

    </androidx.cardview.widget.CardView>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/otherCorners"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="30dp"
        android:layout_marginEnd="30dp"
        android:layout_marginBottom="20dp"
        app:addBottomNavigationHeightMarginBottom="@{true}"
        app:addWindowInsetMarginBottom="@{true}"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <androidx.cardview.widget.CardView
            android:id="@+id/corner1"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:background="@android:color/white"
            app:cardElevation="10dp"
            app:cardCornerRadius="10dp"
            app:layout_constraintEnd_toStartOf="@+id/corner2"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="10dp">

                <androidx.appcompat.widget.AppCompatImageView
                    android:id="@+id/challengeImg"
                    android:layout_width="50dp"
                    android:layout_height="50dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_bottom_nav_home_new" />

                <androidx.appcompat.widget.AppCompatTextView
                    android:id="@+id/challengesTitle"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:gravity="center"
                    android:text="corner 1"
                    android:textSize="13sp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/challengeImg" />

            </androidx.constraintlayout.widget.ConstraintLayout>
        </androidx.cardview.widget.CardView>

        <androidx.cardview.widget.CardView
            android:id="@+id/corner2"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="15dp"
            android:layout_marginEnd="15dp"
            android:background="@android:color/white"
            android:clipToPadding="false"
            app:cardElevation="10dp"
            app:cardCornerRadius="10dp"
            app:layout_constraintEnd_toStartOf="@+id/corner3"
            app:layout_constraintStart_toEndOf="@+id/corner1"
            app:layout_constraintTop_toTopOf="parent">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="10dp">

                <androidx.appcompat.widget.AppCompatImageView
                    android:id="@+id/humourImg"
                    android:layout_width="50dp"
                    android:layout_height="50dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_bottom_nav_home_new" />

                <androidx.appcompat.widget.AppCompatTextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:gravity="center"
                    android:text="corner 2"
                    android:textSize="13sp"
                    app:fontFamily="@font/font_regular"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/humourImg" />

            </androidx.constraintlayout.widget.ConstraintLayout>
        </androidx.cardview.widget.CardView>

        <androidx.cardview.widget.CardView
            android:id="@+id/corner3"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:background="@android:color/white"
            android:clipToPadding="false"
            app:cardElevation="10dp"
            app:cardCornerRadius="10dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/corner2"
            app:layout_constraintTop_toTopOf="parent">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:padding="10dp">

                <androidx.appcompat.widget.AppCompatImageView
                    android:id="@+id/thoughtImg"
                    android:layout_width="50dp"
                    android:layout_height="50dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_bottom_nav_home_new" />

                <androidx.appcompat.widget.AppCompatTextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:gravity="center"
                    android:text="corner 3"
                    android:textSize="13sp"
                    app:fontFamily="@font/font_regular"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/thoughtImg" />

            </androidx.constraintlayout.widget.ConstraintLayout>
        </androidx.cardview.widget.CardView>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>
</layout>

这是我得到的输出

如您所见，我将高程应用到角 1,2 和 3，但它没有正确显示。 好像要断了我在这里错过了什么？

Answer 1

我会调试“otherCorners”约束布局。

您似乎已将该布局的边距设置为使其等于其上方的大 CardView。并且由于 otherCorners 布局中的第一个和最后一个 CardView 直接放置在父级的边界上，因此它可能只是切断了侧面高程的阴影。同样的故事，不同的价值观，对于底层。