xmlfragment

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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=".XmlFragment">

    <WebView
        android:id="@+id/webviewxml"
        android:layout_width="match_parent"
        android:layout_height="380dp"
        android:layout_marginTop="0dp"
        android:backgroundTint="@color/colordominante"/>


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_marginTop="390dp">
        <ScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fillViewport="true">
            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                tools:context=".Controllers.Login.MainActivity">

                <EditText
                    android:id="@+id/correo"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="32dp"
                    android:layout_marginTop="50dp"
                    android:layout_marginEnd="32dp"
                    android:background="@drawable/login_etd"
                    android:drawablePadding="10dp"
                    android:hint="email"
                    android:inputType="textEmailAddress"
                    android:padding="10dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

                <EditText
                    android:id="@+id/password"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="32dp"
                    android:layout_marginTop="20dp"
                    android:layout_marginEnd="32dp"
                    android:layout_marginBottom="323dp"
                    android:background="@drawable/login_etd"
                    android:drawablePadding="10dp"
                    android:enabled="true"
                    android:hint="password"
                    android:inputType="textPassword"
                    android:padding="10dp"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintHorizontal_bias="0.0"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/correo"
                    app:layout_constraintVertical_bias="0.0" />

                <Button
                    android:id="@+id/btn_login"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="@drawable/button_login_rounded"
                    android:text="Try singin"
                    android:textAllCaps="false"
                    android:textColor="@color/white"
                    android:textSize="18sp"
                    android:layout_marginTop="30dp"
                    android:layout_marginEnd="32dp"
                    android:layout_marginStart="32dp"
                    android:textStyle="bold"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintHorizontal_bias="0.498"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/password" />

            </androidx.constraintlayout.widget.ConstraintLayout>
        </ScrollView>
    </LinearLayout>

</FrameLayout>