luojigou_xiaodou/xiaodou/src/main/res/layout/fragment_connect_success.xml

<?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/pb_connecting"
        android:layout_width="320dp"
        android:layout_height="400dp"
        android:paddingLeft="140dp"
        android:paddingTop="180dp"
        android:paddingRight="140dp"
        android:paddingBottom="180dp"
        android:background="@android:color/holo_green_light"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tv_connecting"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="配网成功"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/pb_connecting" />
</androidx.constraintlayout.widget.ConstraintLayout>