scroll view is not working here......this is XML file

[gwadrathk]

    <RelativeLayout
        android:id="@+id/relativeLayout"
        android:layout_width="match_parent"
        android:layout_height="50dp"

        android:layout_alignParentTop="true">

        <TextView
            android:id="@+id/currentValue"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_alignParentLeft="true"
            android:layout_margin="5dp"
            android:layout_toLeftOf="@+id/overallReturn"
            android:textSize="30sp" />

        <TextView
            android:id="@+id/overallReturn"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentTop="true"
            android:layout_margin="5dp"
            android:layout_toStartOf="@+id/imageView"
            android:textSize="30sp" />

        <ImageView
            android:id="@+id/imageView"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentEnd="true"
            android:layout_alignParentTop="true" />


    </RelativeLayout>
    <com.github.mikephil.charting.charts.LineChart
        android:id="@+id/chart1e"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:layout_above="@+id/button"
        android:layout_below="@+id/relativeLayout" />

    <TableLayout
        android:id="@+id/investmentmix"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/chart1e"
        android:layout_alignBottom="@+id/chart1e">

    </TableLayout>

    <Button
        android:id="@+id/button"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignTop="@+id/button3"
        android:layout_marginLeft="4dp"
        android:layout_marginRight="4dp"
        android:layout_toStartOf="@+id/button3"
        android:text="2 Day" />

    <Button
        android:id="@+id/button2"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_alignTop="@+id/button"
        android:text="3day" />

    <Button
        android:id="@+id/button3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_toStartOf="@+id/button2"
        android:text="5day" />
</RelativeLayout>