ConstraintLayout 中的两个水平旋转器

Question

我试图在 ConstraintLayout 中将两个微调器彼此相邻放置。但是，当我在真实设备上运行该应用程序时，其中一个微调器会扩展到屏幕末端并隐藏另一个微调器。这在 Android Studio 布局编辑器中按预期工作。

我尝试过使用和不使用CardView，但问题仍然存在。我尝试了各种解决方案，包括将微调器的layout_width设置为wrap_content，但问题仍然存在。如何确保两个旋转器都保持可见并且在屏幕上均匀分布？

这是我的布局代码：

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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/newPost_parent"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="10dp"
    android:clickable="true"
    android:fitsSystemWindows="true"
    android:focusable="true"
    android:focusableInTouchMode="true">

    <Button
        android:id="@+id/newPost_PostButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"

        android:background="@drawable/round_button_theme"
        android:text="Post"
        app:layout_constraintBottom_toTopOf="@id/newPost_statusText"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <de.hdodenhof.circleimageview.CircleImageView
        android:id="@+id/newPost_userImage"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:layout_margin="5dp"
        app:layout_constraintEnd_toStartOf="@id/newPost_statusText"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/newPost_PostButton" />


    <EditText
        android:id="@+id/newPost_statusText"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:background="@drawable/bottom_line_border"
        android:hint="What's happening?"
        android:maxLines="6"
        android:minLines="3"
        android:padding="10dp"
        android:textColorHint="@color/black"
        app:layout_constraintBottom_toTopOf="@id/newPost_preview"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/newPost_userImage"
        app:layout_constraintTop_toBottomOf="@id/newPost_PostButton" />
    <!--<com.google.android.material.textfield.TextInputLayout
        android:id="@+id/newPost_statusText_TextInputLayout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:hint="What's happening?"
        app:layout_constraintStart_toEndOf="@id/newPost_userImage"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toTopOf="@id/newPost_preview">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/newPost_statusText"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:maxLines="6"
            android:minLines="3"
            android:padding="10dp"/>

    </com.google.android.material.textfield.TextInputLayout>-->


    <ImageView
        android:id="@+id/newPost_preview"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:minHeight="300dp"
        android:scaleType="centerCrop"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/newPost_statusText"

        />

    <ImageButton
        android:id="@+id/newPost_cancelButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:background="@drawable/com_facebook_close"
        app:layout_constraintEnd_toEndOf="@id/newPost_preview"
        app:layout_constraintTop_toTopOf="@id/newPost_preview" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/newPost_galleryRecyclerView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:orientation="horizontal"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/newPost_audience" />

    <TextView
        android:id="@+id/newPost_addTags"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:background="@drawable/interest_background_unchecked"
        android:padding="5dp"
        android:text="Add Tags"
        android:textAlignment="center"
        android:textColor="@color/black"
        android:textSize="14sp"
        android:textStyle="bold"

        app:layout_constraintBottom_toTopOf="@id/newPost_audience"
        app:layout_constraintStart_toStartOf="@id/newPost_preview"
        app:layout_constraintTop_toBottomOf="@id/newPost_preview" />

    <EditText
        android:id="@+id/newPost_addTagsEditText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:background="@drawable/interest_background_unchecked"
        android:hint="Add Tags"
        android:padding="5dp"
        android:paddingStart="10dp"
        android:paddingEnd="10dp"
        android:textColor="@color/black"
        android:textSize="14sp"
        android:visibility="gone"
        app:layout_constraintBottom_toTopOf="@id/newPost_audience"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@id/newPost_preview"
        app:layout_constraintTop_toBottomOf="@id/newPost_preview" />


    <ImageView
        android:id="@+id/newPost_audience"
        android:layout_width="32dp"
        android:layout_height="32dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:background="@drawable/post_audience"
        app:layout_constraintEnd_toStartOf="@id/newPost_audienceCardView"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/newPost_addTags" />

    <androidx.cardview.widget.CardView
        android:id="@+id/newPost_audienceCardView"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintWidth_percent="20"
        android:layout_marginStart="10dp"
        android:layout_marginEnd="10dp"
        android:padding="5dp"
        app:cardBackgroundColor="@color/lightGray"
        app:cardCornerRadius="18dp"
        app:layout_constraintBottom_toBottomOf="@id/newPost_audience"
        app:layout_constraintStart_toEndOf="@id/newPost_audience"
        app:layout_constraintTop_toTopOf="@id/newPost_audience"

        >

        <androidx.appcompat.widget.AppCompatSpinner
            android:id="@+id/newPost_audienceSpinner"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:dropDownWidth="match_parent"
            android:prompt="@string/ppl_title"
            android:spinnerMode="dropdown" />

    </androidx.cardview.widget.CardView>


    <ImageView
        android:id="@+id/newPost_commentaudience"
        android:layout_width="32dp"
        android:layout_height="32dp"
        android:layout_marginStart="20dp"
        android:background="@drawable/comment_audience"
        app:layout_constraintBottom_toBottomOf="@id/newPost_audienceCardView"
        app:layout_constraintEnd_toStartOf="@id/newPost_CommentaudienceCardView"
        app:layout_constraintStart_toEndOf="@id/newPost_audienceCardView"
        app:layout_constraintTop_toTopOf="@id/newPost_audienceCardView" />


    <androidx.cardview.widget.CardView
        android:id="@+id/newPost_CommentaudienceCardView"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintWidth_default="wrap"
        app:layout_constrainedWidth="true"

        android:layout_marginStart="10dp"
        android:layout_marginEnd="20dp"
        android:padding="5dp"
        app:cardBackgroundColor="@color/lightGray"
        app:cardCornerRadius="18dp"
        app:layout_constraintBottom_toBottomOf="@id/newPost_commentaudience"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/newPost_commentaudience"
        app:layout_constraintTop_toTopOf="@id/newPost_commentaudience">

        <androidx.appcompat.widget.AppCompatSpinner
            android:id="@+id/newPost_CommentaudienceSpinner"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:dropDownWidth="match_parent"
            android:prompt="@string/ppl_title"
            android:spinnerMode="dropdown" />

    </androidx.cardview.widget.CardView>

    <ImageView
        android:id="@+id/newPost_addImage"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginTop="10dp"
        android:background="@drawable/post_image"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@id/newPost_addGIF"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/newPost_locationIcon" />

    <ImageView
        android:id="@+id/newPost_addGIF"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:background="@drawable/post_gif"
        app:layout_constraintBottom_toBottomOf="@id/newPost_addImage"
        app:layout_constraintEnd_toStartOf="@id/newPost_addVideo"
        app:layout_constraintStart_toEndOf="@id/newPost_addImage"
        app:layout_constraintTop_toTopOf="@id/newPost_addImage" />

    <ImageView
        android:id="@+id/newPost_addVideo"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:background="@drawable/post_video"
        app:layout_constraintBottom_toBottomOf="@id/newPost_addGIF"
        app:layout_constraintEnd_toStartOf="@id/newPost_addLocation"
        app:layout_constraintStart_toEndOf="@id/newPost_addGIF"
        app:layout_constraintTop_toTopOf="@id/newPost_addGIF" />

    <ImageView
        android:id="@+id/newPost_addLocation"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:background="@drawable/post_location"
        app:layout_constraintBottom_toBottomOf="@id/newPost_addVideo"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/newPost_addVideo"
        app:layout_constraintTop_toTopOf="@id/newPost_addVideo" />

    <ImageView
        android:id="@+id/newPost_locationIcon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="15dp"
        android:background="@drawable/ic_location"
        android:backgroundTint="@color/primary"
        app:layout_constraintStart_toStartOf="@id/newPost_galleryRecyclerView"
        app:layout_constraintTop_toBottomOf="@id/newPost_galleryRecyclerView" />

    <TextView
        android:id="@+id/newPost_addLocationToPost"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="5dp"
        android:text="Add location to this post"
        android:textSize="12sp"
        app:layout_constraintBottom_toBottomOf="@id/newPost_locationIcon"
        app:layout_constraintStart_toEndOf="@id/newPost_locationIcon"
        app:layout_constraintTop_toTopOf="@id/newPost_locationIcon" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_begin="20dp" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:constraint_referenced_ids="newPost_audience" />


</androidx.constraintlayout.widget.ConstraintLayout>

Answer 1

神奇的词是

app:layout_constraintHorizontal_bias

，请参阅 this 使用两个按钮而不是旋转器的示例。