com.codetroopers.betterpickers

Class Utils

java.lang.Object

com.codetroopers.betterpickers.Utils

public class Utils
extends java.lang.Object

Utility helper functions for time and date pickers.

Field Summary

Fields

Modifier and Type	Field and Description
static int	FULL_ALPHA
static int	MONDAY_BEFORE_JULIAN_EPOCH
static int	PULSE_ANIMATOR_DURATION

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static int	formatDisabledDayForKey(int year, int month, int day) Return key formatted for sparse array of disabled days
static int	getDaysInMonth(int month, int year)
static int	getJulianMondayFromWeeksSinceEpoch(int week) Takes a number of weeks since the epoch and calculates the Julian day of the Monday for that week.
static ObjectAnimator	getPulseAnimator(android.view.View labelToAnimate, float decreaseRatio, float increaseRatio) Render an animator to pulsate a view in place.
static int	getWeeksSinceEpochFromJulianDay(int julianDay, int firstDayOfWeek) Returns the week since Time.EPOCH_JULIAN_DAY (Jan 1, 1970) adjusted for first day of week.
static boolean	isJellybeanOrLater()
static void	tryAccessibilityAnnounce(android.view.View view, java.lang.CharSequence text) Try to speak the specified text, for accessibility.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MONDAY_BEFORE_JULIAN_EPOCH

public static final int MONDAY_BEFORE_JULIAN_EPOCH

See Also:

Constant Field Values

PULSE_ANIMATOR_DURATION

public static final int PULSE_ANIMATOR_DURATION

See Also:

Constant Field Values

FULL_ALPHA

public static final int FULL_ALPHA

See Also:

Constant Field Values

Constructor Detail

Utils

public Utils()

Method Detail

isJellybeanOrLater

public static boolean isJellybeanOrLater()

tryAccessibilityAnnounce

public static void tryAccessibilityAnnounce(android.view.View view,
                                            java.lang.CharSequence text)

Try to speak the specified text, for accessibility. Only available on JB or later.

Parameters:

text - Text to announce.

getDaysInMonth

public static int getDaysInMonth(int month,
                                 int year)

getJulianMondayFromWeeksSinceEpoch

public static int getJulianMondayFromWeeksSinceEpoch(int week)

Takes a number of weeks since the epoch and calculates the Julian day of the Monday for that week. This assumes that the week containing the Time.EPOCH_JULIAN_DAY is considered week 0. It returns the Julian day for the Monday week weeks after the Monday of the week containing the epoch.

Parameters:

week - Number of weeks since the epoch

Returns:

The julian day for the Monday of the given week since the epoch

getWeeksSinceEpochFromJulianDay

public static int getWeeksSinceEpochFromJulianDay(int julianDay,
                                                  int firstDayOfWeek)

Returns the week since Time.EPOCH_JULIAN_DAY (Jan 1, 1970) adjusted for first day of week. This takes a julian day and the week start day and calculates which week since Time.EPOCH_JULIAN_DAY that day occurs in, starting at 0. *Do not* use this to compute the ISO week number for the year.

Parameters:

julianDay - The julian day to calculate the week number for

firstDayOfWeek - Which week day is the first day of the week, see Time.SUNDAY

Returns:

Weeks since the epoch

getPulseAnimator

public static ObjectAnimator getPulseAnimator(android.view.View labelToAnimate,
                                              float decreaseRatio,
                                              float increaseRatio)

Render an animator to pulsate a view in place.

Parameters:

labelToAnimate - the view to pulsate.

Returns:

The animator object. Use .start() to begin.

formatDisabledDayForKey

public static int formatDisabledDayForKey(int year,
                                          int month,
                                          int day)

Return key formatted for sparse array of disabled days

Parameters:

year - year

month - month

day - day

Returns:

key as int formatted as yyyyMMdd