<?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:context=".cactusClient.MainActivity" tools:layout_editor_absoluteY="73dp"> <fragment android:id="@+id/fragment_place" android:name="org.ntlab.radishforandroidstudio.cactusClient.LoginFragment" android:layout_width="0dp" android:layout_height="0dp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" tools:layout="@layout/activity_main" /> </android.support.constraint.ConstraintLayout>