我试图将两个视图垂直居中于第三个视图。
<ImageView
android:id="@+id/vh_buisnesspost_buisness_preview"
android:layout_width="100dp"
android:layout_height="100dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_margin="16dp"
android:background="@drawable/background_circle_preview_border"/>
<TextView
android:id="@+id/vh_buisnesspost_buisness_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Buisness Name"
android:textStyle="bold"
android:textColor="@color/colorBlackFont"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toTopOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintBottom_toTopOf="@+id/vh_buisnesspost_date_posted"
android:layout_marginStart="16dp"/>
<TextView
android:id="@+id/vh_buisnesspost_date_posted"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="12sp"
android:text="2 mins ago"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintBottom_toBottomOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toBottomOf="@+id/vh_buisnesspost_buisness_name"
android:layout_marginStart="16dp"/>
<TextView
android:id="@+id/vh_buisnesspost_post_type"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="12sp"
android:text=" \u2022 Restaurant"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_date_posted"
app:layout_constraintBottom_toBottomOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toBottomOf="@+id/vh_buisnesspost_buisness_name"/>
然而,当我这样做时,它在两个视图之间留下了一个不必要的空间。
我该怎么做才能使这两个视图与第三个视图居中?
添加 app:layout_constraintVertical_chainStyle="packed"
到第一个TextView来改变链的样式。默认的样式是 spread
这将在链状视图之间留出一个空间,以使它们平均分布。的 packed
风格会将它们打包在一起,默认偏置为0.5,这是你想要的。
更新问题的EDIT。
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/vh_buisnesspost_buisness_preview"
android:layout_width="100dp"
android:layout_height="100dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_margin="16dp"
android:background="@drawable/background_circle_preview_border"/>
<TextView
android:id="@+id/vh_buisnesspost_buisness_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Buisness Name"
android:textStyle="bold"
android:textColor="@color/colorBlackFont"
app:layout_constraintVertical_chainStyle="packed"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toTopOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintBottom_toTopOf="@+id/vh_buisnesspost_date_posted"
android:layout_marginStart="16dp"/>
<TextView
android:id="@+id/vh_buisnesspost_date_posted"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="12sp"
android:text="2 mins ago"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintBottom_toBottomOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toBottomOf="@+id/vh_buisnesspost_buisness_name"
android:layout_marginStart="16dp"/>
<TextView
android:id="@+id/vh_buisnesspost_post_type"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="12sp"
android:text=" \u2022 Restaurant"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_date_posted"
app:layout_constraintBottom_toBottomOf="@+id/vh_buisnesspost_date_posted"
app:layout_constraintTop_toTopOf="@+id/vh_buisnesspost_date_posted"/>
</androidx.constraintlayout.widget.ConstraintLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintBottom_toBottomOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintStart_toEndOf="@+id/vh_buisnesspost_buisness_preview"
app:layout_constraintTop_toTopOf="@+id/vh_buisnesspost_buisness_preview">
<TextView
android:id="@+id/vh_buisnesspost_buisness_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:text="Buisness Name"
android:textColor="@color/colorAccent"
android:textStyle="bold"/>
<TextView
android:id="@+id/vh_buisnesspost_date_posted"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:text="2 mins ago"
android:textSize="12sp"/>
</LinearLayout>
试试这个样品,它不需要其他的样品。ViewGroup
只是 ConstraintLayout
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/image"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_margin="16dp"
android:background="@drawable/background_circle_preview_border"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:text="Buisness Name"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="@+id/textView2"
app:layout_constraintStart_toEndOf="@+id/image"
app:layout_constraintTop_toTopOf="@id/image"
app:layout_constraintVertical_chainStyle="packed" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="2 mins ago"
android:textSize="12sp"
app:layout_constraintBottom_toBottomOf="@+id/image"
app:layout_constraintStart_toStartOf="@id/textView1"
app:layout_constraintTop_toBottomOf="@id/textView1" />
</androidx.constraintlayout.widget.ConstraintLayout>