Application interface unconfigured in the emulator

I am trying to create an application with my very little knowledge, and there has been an error that does not appear all the images of the interface in the emulator. I'm using Nexus 5X, API 28 .

Here's the image:

Thecodeinactivity_mainlookslikethis:

<?xmlversion="1.0" encoding="utf-8"?>
<RelativeLayout 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="@drawable/fundo"
    tools:context=".MainActivity">



    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="23dp"
        app:srcCompat="@drawable/logo" />

    <EditText
        android:id="@+id/textoId"
        android:layout_width="320dp"
        android:layout_height="360dp"
        android:layout_alignStart="@+id/imageView"
        android:layout_below="@+id/imageView"
        android:background="@drawable/fundo_anotacao"
        android:ems="10"
        android:gravity="start"
        android:inputType="textMultiLine|textPersonName"
        android:paddingBottom="5dp"
        android:paddingLeft="35dp"
        android:paddingRight="5dp"
        android:paddingTop="5dp"
        android:textColor="#41342e"
        android:textSize="@dimen/texto_anotacao" />

    <ImageView
        android:id="@+id/botaoSalvarId"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignStart="@+id/imageView"
        android:layout_below="@+id/textoId"
        app:srcCompat="@drawable/botao_salvar" />

</RelativeLayout>