<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <com.github.mikephil.charting.charts.LineChart
        android:id="@+id/chart1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@+id/seekBar1" />

    <SeekBar
        android:id="@+id/seekBar1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:max="1500"
        android:layout_alignParentBottom="true"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="8dp"
        android:layout_toLeftOf="@+id/tvXMax"/>

    <TextView
        android:id="@+id/tvXMax"
        android:layout_width="50dp"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:text="500"
        android:layout_marginBottom="15dp"
        android:layout_marginRight="10dp"
        android:gravity="right"
        android:layout_alignParentBottom="true"
        android:textAppearance="?android:attr/textAppearanceMedium" />

</RelativeLayout>