<resources>
  <declare-styleable name="SleepChart">
      <attr name="backgroundColor" format="color" />
      <attr name="setScroll" format="boolean" />
  </declare-styleable>
</resources>

<resources>
  <declare-styleable name="SleepChart">
      <attr name="gridColor" format="color" />
      <attr name="setScroll" format="boolean" />
      <attr name="android:background" />
      <attr name="android:textColor" />
  </declare-styleable>
</resources>

Add attributes for styling SleepCharts.
Add attributes for styling SleepCharts.
