title: This view is not constrained vertically. At runtime it will jump to the left unless you add a vertical constraint
body: <p><a href="https://i.stack.imgur.com/0gpVY.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0gpVY.png" alt="enter image description here"></a>New Layout editor in Android Studio 2.2 keeps showing this error on views like EditText and Buttons. kindly help.Also, any links that help in onboarding with the new constraint layout would be appreciated.</p>
  
  <p>code:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.constraint.ConstraintLayout
      android:id="@+id/activity_main"
      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:context="com.set.email.MainActivity"
      tools:layout_editor_absoluteX="0dp"
      tools:layout_editor_absoluteY="81dp"&gt;
  
      &lt;TextView
          android:text="To:"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          tools:layout_editor_absoluteX="7dp"
          tools:layout_editor_absoluteY="4dp"
          android:id="@+id/textTo"/&gt;
  
      &lt;EditText
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:inputType="textEmailAddress"
          android:ems="10"
          tools:layout_editor_absoluteX="0dp"
          tools:layout_editor_absoluteY="24dp"
          android:id="@+id/editTo"
          android:textAppearance="@android:style/TextAppearance.DeviceDefault.Medium"/&gt;
  
      &lt;EditText
          android:layout_width="384dp"
          android:layout_height="42dp"
          android:inputType="textPersonName"
          android:ems="10"
          tools:layout_editor_absoluteX="0dp"
          tools:layout_editor_absoluteY="94dp"
          android:id="@+id/editSubject"
          android:textAppearance="@android:style/TextAppearance.DeviceDefault.Medium"/&gt;
  
      &lt;EditText
          android:layout_width="384dp"
          android:layout_height="273dp"
          android:inputType="textPersonName"
          android:ems="10"
          tools:layout_editor_absoluteX="0dp"
          tools:layout_editor_absoluteY="179dp"
          android:id="@+id/editMessage"
          app:layout_constraintLeft_toLeftOf="@+id/activity_main"
          tools:layout_constraintLeft_creator="50"
          android:textAppearance="@android:style/TextAppearance.DeviceDefault.Medium"/&gt;
  
      &lt;Button
          android:text="Send"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          tools:layout_editor_absoluteX="140dp"
          tools:layout_editor_absoluteY="454dp"
          android:id="@+id/btnSend"
          app:layout_constraintLeft_toLeftOf="@+id/editMessage"
          tools:layout_constraintLeft_creator="0"
          app:layout_constraintRight_toRightOf="@+id/activity_main"
          android:layout_marginEnd="16dp"
          tools:layout_constraintRight_creator="0"
          android:textAppearance="@android:style/TextAppearance.DeviceDefault.Medium"/&gt;
  
  
  &lt;/android.support.constraint.ConstraintLayout&gt;
  </code></pre>