Android Studio : Layoutofnotification

content2_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <ImageView
                android:id="@+id/imageView1"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="fitCenter"
                android:adjustViewBounds="true"
                android:contentDescription="@string/data"
                app:srcCompat="@drawable/thai1" />


            <ImageView
                android:id="@+id/imageView2"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="fitCenter"
                android:adjustViewBounds="true"
                android:contentDescription="@string/data"
                app:srcCompat="@drawable/thai2" />
            <ImageView
                android:id="@+id/imageView3"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="fitCenter"
                android:adjustViewBounds="true"
                android:contentDescription="@string/data"
                app:srcCompat="@drawable/thai3" />
            <ImageView
                android:id="@+id/imageView4"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="fitCenter"
                android:adjustViewBounds="true"
                android:contentDescription="@string/data"
                app:srcCompat="@drawable/thai4" />
            <ImageView
                android:id="@+id/imageView5"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="fitCenter"
                android:adjustViewBounds="true"
                android:contentDescription="@string/data"
                app:srcCompat="@drawable/thai5" />
        </LinearLayout>
    </ScrollView>
</LinearLayout>