android-calculatorpp/res/xml/preferences.xml

<?xml version="1.0" encoding="utf-8"?>

<PreferenceScreen xmlns:a="http://schemas.android.com/apk/res/android"
				  xmlns:range="http://schemas.android.com/apk/res/org.solovyev.android.calculator">
	<PreferenceCategory a:title="@string/c_prefs_drag_button_category">

		<org.solovyev.android.view.prefs.NumberPickerDialogPreference
				a:key="@string/p_calc_result_precision_key"
				a:title="Precision of result value"
				a:defaultValue="5"
				range:boundaries="0;10"/>

		<android.preference.CheckBoxPreference
			a:key="@string/p_calc_color_display_key"
			a:title="Highlight expressions in brackets"
			a:defaultValue="true"/>

		<org.solovyev.android.view.prefs.FloatRangeSeekBarPreference
				a:key="@string/p_drag_distance_key"
				a:title="Distance of drag event"
				a:text=" pxs"
				a:defaultValue="15;350"
				range:steps="10"
				range:boundaries="10;500"/>

		<org.solovyev.android.view.prefs.FloatRangeSeekBarPreference
				a:key="@string/p_drag_duration_key"
				a:title="Duration of drag event"
				a:text=" ms"
				a:defaultValue="40;2500"
				range:steps="10"
				range:boundaries="5;4000"/>

		<org.solovyev.android.view.prefs.FloatRangeSeekBarPreference
				a:key="@string/p_drag_angle_key"
				a:title="Angle of drag event"
				a:text=" degrees"
				a:defaultValue="0;45"
				range:steps="5"
				range:boundaries="0;45"/>

	</PreferenceCategory>

</PreferenceScreen>