/**
* Initialize the Layout with starting values.
*
* @param context
* @param initialHoursOfDay
* @param initialMinutes
* @param is24HourMode
*/
public void initialize(
Context context,
int initialHoursOfDay,
int initialMinutes,
boolean is24HourMode,
boolean vibrate) {
if (mTimeInitialized) {
Log.e(TAG, "Time has already been initialized.");
return;
}
mIs24HourMode = is24HourMode;
mHideAmPm = Utils.isTouchExplorationEnabled(mAccessibilityManager) ? true : mIs24HourMode;
mVibrate = vibrate;
// Initialize the circle and AM/PM circles if applicable.
mCircleView.initialize(context, mHideAmPm);
mCircleView.invalidate();
if (!mHideAmPm) {
mAmPmCirclesView.initialize(context, initialHoursOfDay < 12 ? AM : PM);
mAmPmCirclesView.invalidate();
}
// Initialize the hours and minutes numbers.
Resources res = context.getResources();
int[] hours = {12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
int[] hours_24 = {0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
int[] minutes = {0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55};
String[] hoursTexts = new String[12];
String[] innerHoursTexts = new String[12];
String[] minutesTexts = new String[12];
for (int i = 0; i < 12; i++) {
hoursTexts[i] =
is24HourMode ? String.format("%02d", hours_24[i]) : String.format("%d", hours[i]);
innerHoursTexts[i] = String.format("%d", hours[i]);
minutesTexts[i] = String.format("%02d", minutes[i]);
}
mHourRadialTextsView.initialize(
res, hoursTexts, (is24HourMode ? innerHoursTexts : null), mHideAmPm, true);
mHourRadialTextsView.invalidate();
mMinuteRadialTextsView.initialize(res, minutesTexts, null, mHideAmPm, false);
mMinuteRadialTextsView.invalidate();
// Initialize the currently-selected hour and minute.
setValueForItem(HOUR_INDEX, initialHoursOfDay);
setValueForItem(MINUTE_INDEX, initialMinutes);
int hourDegrees = (initialHoursOfDay % 12) * HOUR_VALUE_TO_DEGREES_STEP_SIZE;
mHourRadialSelectorView.initialize(
context, mHideAmPm, is24HourMode, true, hourDegrees, isHourInnerCircle(initialHoursOfDay));
int minuteDegrees = initialMinutes * MINUTE_VALUE_TO_DEGREES_STEP_SIZE;
mMinuteRadialSelectorView.initialize(context, mHideAmPm, false, false, minuteDegrees, false);
mTimeInitialized = true;
}
/**
* Calculate the degrees within the circle that corresponds to the specified coordinates, if the
* coordinates are within the range that will trigger a selection.
*
* @param pointX The x coordinate.
* @param pointY The y coordinate.
* @param forceLegal Force the selection to be legal, regardless of how far the coordinates are
* from the actual numbers.
* @param isInnerCircle If the selection may be in the inner circle, pass in a size-1 boolean
* array here, inside which the value will be true if the selection is in the inner circle,
* and false if in the outer circle.
* @return Degrees from 0 to 360, if the selection was within the legal range. -1 if not.
*/
private int getDegreesFromCoords(
float pointX, float pointY, boolean forceLegal, final Boolean[] isInnerCircle) {
int currentItem = getCurrentItemShowing();
if (currentItem == HOUR_INDEX) {
return mHourRadialSelectorView.getDegreesFromCoords(
pointX, pointY, forceLegal, isInnerCircle);
} else if (currentItem == MINUTE_INDEX) {
return mMinuteRadialSelectorView.getDegreesFromCoords(
pointX, pointY, forceLegal, isInnerCircle);
} else {
return -1;
}
}
/** Set either the hour or the minute. Will set the internal value, and set the selection. */
private void setItem(int index, int value) {
if (index == HOUR_INDEX) {
setValueForItem(HOUR_INDEX, value);
int hourDegrees = (value % 12) * HOUR_VALUE_TO_DEGREES_STEP_SIZE;
mHourRadialSelectorView.setSelection(hourDegrees, isHourInnerCircle(value), false);
mHourRadialSelectorView.invalidate();
} else if (index == MINUTE_INDEX) {
setValueForItem(MINUTE_INDEX, value);
int minuteDegrees = value * MINUTE_VALUE_TO_DEGREES_STEP_SIZE;
mMinuteRadialSelectorView.setSelection(minuteDegrees, false, false);
mMinuteRadialSelectorView.invalidate();
}
}
/**
* For the currently showing view (either hours or minutes), re-calculate the position for the
* selector, and redraw it at that position. The input degrees will be snapped to a selectable
* value.
*
* @param degrees Degrees which should be selected.
* @param isInnerCircle Whether the selection should be in the inner circle; will be ignored if
* there is no inner circle.
* @param forceToVisibleValue Even if the currently-showing circle allows for fine-grained
* selection (i.e. minutes), force the selection to one of the visibly-showing values.
* @param forceDrawDot The dot in the circle will generally only be shown when the selection is on
* non-visible values, but use this to force the dot to be shown.
* @return The value that was selected, i.e. 0-23 for hours, 0-59 for minutes.
*/
private int reselectSelector(
int degrees, boolean isInnerCircle, boolean forceToVisibleValue, boolean forceDrawDot) {
if (degrees == -1) {
return -1;
}
int currentShowing = getCurrentItemShowing();
int stepSize;
boolean allowFineGrained = !forceToVisibleValue && (currentShowing == MINUTE_INDEX);
if (allowFineGrained) {
degrees = snapPrefer30s(degrees);
} else {
degrees = snapOnly30s(degrees, 0);
}
RadialSelectorView radialSelectorView;
if (currentShowing == HOUR_INDEX) {
radialSelectorView = mHourRadialSelectorView;
stepSize = HOUR_VALUE_TO_DEGREES_STEP_SIZE;
} else {
radialSelectorView = mMinuteRadialSelectorView;
stepSize = MINUTE_VALUE_TO_DEGREES_STEP_SIZE;
}
radialSelectorView.setSelection(degrees, isInnerCircle, forceDrawDot);
radialSelectorView.invalidate();
if (currentShowing == HOUR_INDEX) {
if (mIs24HourMode) {
if (degrees == 0 && isInnerCircle) {
degrees = 360;
} else if (degrees == 360 && !isInnerCircle) {
degrees = 0;
}
} else if (degrees == 0) {
degrees = 360;
}
} else if (degrees == 360 && currentShowing == MINUTE_INDEX) {
degrees = 0;
}
int value = degrees / stepSize;
if (currentShowing == HOUR_INDEX && mIs24HourMode && !isInnerCircle && degrees != 0) {
value += 12;
}
return value;
}
/**
* Set either minutes or hours as showing.
*
* @param animate True to animate the transition, false to show with no animation.
*/
@SuppressLint("NewApi")
public void setCurrentItemShowing(int index, boolean animate) {
if (index != HOUR_INDEX && index != MINUTE_INDEX) {
Log.e(TAG, "TimePicker does not support view at index " + index);
return;
}
// NineOldDroids does not work in this case due to denepency recursion.
animate = animate && Build.VERSION.SDK_INT >= 14;
int lastIndex = getCurrentItemShowing();
mCurrentItemShowing = index;
if (animate && (index != lastIndex)) {
ObjectAnimator[] anims = new ObjectAnimator[4];
if (index == MINUTE_INDEX) {
anims[0] = mHourRadialTextsView.getDisappearAnimator();
anims[1] = mHourRadialSelectorView.getDisappearAnimator();
anims[2] = mMinuteRadialTextsView.getReappearAnimator();
anims[3] = mMinuteRadialSelectorView.getReappearAnimator();
} else if (index == HOUR_INDEX) {
anims[0] = mHourRadialTextsView.getReappearAnimator();
anims[1] = mHourRadialSelectorView.getReappearAnimator();
anims[2] = mMinuteRadialTextsView.getDisappearAnimator();
anims[3] = mMinuteRadialSelectorView.getDisappearAnimator();
}
if (mTransition != null && mTransition.isRunning()) {
mTransition.end();
}
mTransition = new AnimatorSet();
mTransition.playTogether(anims);
mTransition.start();
} else {
if (Build.VERSION.SDK_INT >= 11) {
int hourAlpha = (index == HOUR_INDEX) ? 255 : 0;
int minuteAlpha = (index == MINUTE_INDEX) ? 255 : 0;
mHourRadialTextsView.setAlpha(hourAlpha);
mHourRadialSelectorView.setAlpha(hourAlpha);
mMinuteRadialTextsView.setAlpha(minuteAlpha);
mMinuteRadialSelectorView.setAlpha(minuteAlpha);
} else {
int hourVisibility = (index == HOUR_INDEX) ? View.VISIBLE : View.INVISIBLE;
int minuteVisibility = (index == MINUTE_INDEX) ? View.VISIBLE : View.INVISIBLE;
mHourRadialTextsView.setVisibility(hourVisibility);
mHourRadialSelectorView.setVisibility(hourVisibility);
mMinuteRadialTextsView.setVisibility(minuteVisibility);
mMinuteRadialSelectorView.setVisibility(minuteVisibility);
}
}
}