小编Pep*_*llo的帖子

如何在使用阴影的视图中显示高程ConstraintLayout？

使用Relative和Linear可以执行带阴影的高程来实现列表,但我不能这样做ConstraintLayout.

<?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="wrap_content"
android:background="#fff"
android:orientation="vertical">

<TextView
    android:id="@+id/list_ssid"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginEnd="8dp"
    android:layout_marginLeft="8dp"
    android:layout_marginRight="8dp"
    android:layout_marginStart="8dp"
    android:layout_marginTop="8dp"
    android:elevation="8dp"
    android:background="#fff"
    android:text="SSID"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toLeftOf="@+id/guideline"
    app:layout_constraintTop_toTopOf="parent" />
<TextView
    android:id="@+id/list_ch"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginEnd="8dp"
    android:layout_marginLeft="8dp"
    android:elevation="8dp"
    android:background="#fff"
    android:layout_marginRight="8dp"
    android:layout_marginStart="8dp"
    android:layout_marginTop="8dp"
    android:text="CH"
    app:layout_constraintLeft_toLeftOf="@+id/guideline"
    app:layout_constraintRight_toLeftOf="@+id/guideline2"
    app:layout_constraintTop_toTopOf="parent" />
<TextView
    android:id="@+id/list_dB"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginEnd="8dp"
    android:layout_marginLeft="8dp"
    android:elevation="8dp"
    android:background="#fff"
    android:layout_marginRight="8dp"
    android:layout_marginStart="8dp"
    android:layout_marginTop="8dp"
    android:text="dB"
    app:layout_constraintLeft_toLeftOf="@+id/guideline2"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
<android.support.constraint.Guideline
    android:id="@+id/guideline"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layout_constraintGuide_percent="0.65"
    tools:layout_editor_absoluteX="239dp"
    tools:layout_editor_absoluteY="0dp" />
  <android.support.constraint.Guideline
    android:id="@+id/guideline2" …