android - 删除约束布局中链式视图中两个视图之间的空间

您必须添加 Guideline

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:layout_editor_absoluteY="81dp">


    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginBottom="23dp"
        android:layout_marginStart="32dp"
        android:gravity="center"
        android:text="TextView"
        app:layout_constraintBottom_toBottomOf="@+id/imageView3"
        app:layout_constraintStart_toEndOf="@+id/imageView3" />

    <ImageView
        android:id="@+id/imageView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="26dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView2"
        app:srcCompat="@mipmap/ic_launcher_round" />

    <TextView
        android:id="@+id/textViewHeader"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="TextView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <!--<LinearLayout
        android:id="@+id/linearLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="1dp"
        android:layout_marginStart="20dp"
        android:layout_marginTop="60dp"
        android:orientation="horizontal"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/linearLayout2">-->


    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="25dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="70dp"
        app:layout_constraintEnd_toStartOf="@+id/textView2"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@mipmap/ic_launcher_round" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginStart="32dp"
        android:layout_marginTop="26dp"
        android:gravity="center"
        android:text="TextView"
        app:layout_constraintStart_toEndOf="@+id/imageView2"
        app:layout_constraintTop_toTopOf="@+id/imageView2" />

    <!-- </LinearLayout>-->

    <!--  <LinearLayout
        android:id="@+id/linearLayout2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="1dp"
        android:layout_marginStart="20dp"
        android:layout_marginTop="60dp"
        android:orientation="horizontal"
        app:layout_constraintBottom_toBottomOf="@id/linearLayout"
       >-->


    <ImageView
        android:id="@+id/imageView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="30dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView"
        app:srcCompat="@mipmap/ic_launcher_round" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="0dp"
        android:layout_height="17dp"
        android:layout_gravity="center"
        android:layout_marginBottom="58dp"
        android:layout_marginEnd="213dp"
        android:layout_marginTop="58dp"
        android:gravity="center"
        android:text="TextView"
        app:layout_constraintBottom_toTopOf="@+id/imageView2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/imageView"
        app:layout_constraintTop_toBottomOf="@+id/textViewHeader" />

<TextView
    android:id="@+id/textView4"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginBottom="67dp"
    android:gravity="center"
    app:layout_constraintEnd_toStartOf="@+id/guideline1"
    android:text="TextView"
    app:layout_constraintBottom_toBottomOf="parent" />

<TextView
    android:id="@+id/textView5"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginBottom="63dp"
    android:gravity="center"
    android:text="TextView"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintStart_toEndOf="@+id/guideline1" />

<android.support.constraint.Guideline
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/guideline1"
    android:orientation="vertical"
    app:layout_constraintGuide_percent="0.5"/>

    <!-- </LinearLayout>-->

</android.support.constraint.ConstraintLayout>

关于ConstraintLayout中的Guideline：表示 ConstraintLayout 的Guideline帮助对象的实用工具类。辅助对象不会显示在设备上（它们标记为View.GONE），仅用于布局目的。它们仅在ConstraintLayout中工作。[...]

有关更多详细信息，请参见良好的文档：

https://developer.android.com/reference/android/support/constraint/Guideline.html