Android Studio : layoutofnotification

content1_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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.thaiall.www.layoutofnotification.MainActivity"
    tools:showIn="@layout/activity_main">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="24dp">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="24dp"
            android:background="#000088"
            android:gravity="center"
            android:text="@string/information"
            android:textColor="#ffffff"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent" />
    </LinearLayout>

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#dddddd" >

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

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

                <TextView
                    android:id="@+id/textView1"
                    android:layout_width="match_parent"
                    android:layout_height="30dp"
                    android:drawableStart="@android:drawable/btn_star"
                    android:text="@string/data"
                    android:background="#ffffdd"/>

                <TextView
                    android:id="@+id/textView3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:drawableStart="@android:drawable/btn_star"
                    android:text="@string/data1"
                    android:background="#ddffdd" />

                <ImageView
                    android:id="@+id/imageView3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:contentDescription="@string/data"
                    android:src="@android:drawable/btn_star" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/data1" />
            </LinearLayout>

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

                <ImageView
                    android:id="@+id/imageView4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:contentDescription="@string/data"
                    android:src="@android:drawable/btn_star"
                    android:background="#ffffdd" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/data2"
                    android:background="#ddffdd" />
            </LinearLayout>

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

                <ImageView
                    android:id="@+id/imageView1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:contentDescription="@string/data"
                    android:src="@android:drawable/btn_star" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/data2" />
            </RelativeLayout>

            <RelativeLayout
                android:layout_width="fill_parent"
                android:layout_height="wrap_content">

                <ImageView
                    android:id="@+id/imageView2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:contentDescription="@string/data"
                    android:src="@android:drawable/btn_star"
                    android:background="#ffffdd" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_toEndOf="@+id/imageView2"
                    android:text="@string/data2"
                    android:background="#ddffdd" />
            </RelativeLayout>
        </LinearLayout>
    </ScrollView>
</LinearLayout>