<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/blue"
    tools:context=".MainActivity">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <ImageView
            android:id="@+id/imageView5"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginBottom="400dp"
            android:adjustViewBounds="true"
            app:srcCompat="@drawable/iv_welcome_center"
            tools:ignore="MissingConstraints" />
    </FrameLayout>

    <TextView
        android:id="@+id/textView3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="40dp"
        android:gravity="center"
        android:text="技术支持：国家互联网应急中心"
        android:textColor="@color/white"
        app:layout_constraintBottom_toBottomOf="parent"
        tools:ignore="MissingConstraints" />

</androidx.constraintlayout.widget.ConstraintLayout>