本文整理汇总了Java中android.view.accessibility.AccessibilityNodeInfo.ACTION_SCROLL_FORWARD属性的典型用法代码示例。如果您正苦于以下问题：Java AccessibilityNodeInfo.ACTION_SCROLL_FORWARD属性的具体用法？Java AccessibilityNodeInfo.ACTION_SCROLL_FORWARD怎么用？Java AccessibilityNodeInfo.ACTION_SCROLL_FORWARD使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.view.accessibility.AccessibilityNodeInfo的用法示例。
在下文中一共展示了AccessibilityNodeInfo.ACTION_SCROLL_FORWARD属性的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: performAccessibilityAction
@TargetApi(16)
@Override
public boolean performAccessibilityAction(int action, Bundle args) {
if (super.performAccessibilityAction(action, args)) {
return true;
}
if (duration <= 0) {
return false;
}
if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
if (scrubIncrementally(-getPositionIncrement())) {
stopScrubbing(false);
}
} else if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) {
if (scrubIncrementally(getPositionIncrement())) {
stopScrubbing(false);
}
} else {
return false;
}
sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
return true;
}
示例2: performAccessibilityAction
@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
if (super.performAccessibilityAction(action, arguments)) {
return true;
}
switch (action) {
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
if (getCurrentPage() < getPageCount() - 1) {
scrollRight();
return true;
}
} break;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
if (getCurrentPage() > 0) {
scrollLeft();
return true;
}
} break;
}
return false;
}
示例3: performAccessibilityAction
@TargetApi(16)
@Override
public boolean performAccessibilityAction(int action, Bundle args) {
if (super.performAccessibilityAction(action, args)) {
return true;
}
if (duration <= 0) {
return false;
}
if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
if (scrubIncrementally(-getPositionIncrement())) {
stopScrubbing(false);
}
} else if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) {
if (scrubIncrementally(getPositionIncrement())) {
stopScrubbing(false);
}
} else {
return false;
}
sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
return true;
}
示例4: performAccessibilityAction
@Override
public boolean performAccessibilityAction(View host, int action, Bundle arguments) {
if (super.performAccessibilityAction(host, action, arguments)) {
return true;
}
switch (action) {
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
adjustPicker(1);
return true;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
adjustPicker(-1);
return true;
}
return false;
}
示例5: onNestedPrePerformAccessibilityAction
@Override
public boolean onNestedPrePerformAccessibilityAction(View target, int action, Bundle args) {
if (super.onNestedPrePerformAccessibilityAction(target, action, args)) {
return true;
}
if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD && mCollapseOffset != 0) {
smoothScrollTo(0, 0);
return true;
}
return false;
}
示例6: performAccessibilityAction
/**
* When scroll forward/backward events are received, jump the time to the higher/lower
* discrete, visible value on the circle.
*/
@SuppressLint("NewApi")
@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
if (super.performAccessibilityAction(action, arguments)) {
return true;
}
int changeMultiplier = 0;
if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) {
changeMultiplier = 1;
} else if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
changeMultiplier = -1;
}
if (changeMultiplier != 0) {
int value = getCurrentlyShowingValue();
int stepSize = 0;
int currentItemShowing = getCurrentItemShowing();
if (currentItemShowing == HOUR_INDEX) {
stepSize = HOUR_VALUE_TO_DEGREES_STEP_SIZE;
value %= 12;
} else if (currentItemShowing == MINUTE_INDEX) {
stepSize = MINUTE_VALUE_TO_DEGREES_STEP_SIZE;
}
int degrees = value * stepSize;
degrees = snapOnly30s(degrees, changeMultiplier);
value = degrees / stepSize;
int maxValue = 0;
int minValue = 0;
if (currentItemShowing == HOUR_INDEX) {
if (mIs24HourMode) {
maxValue = 23;
} else {
maxValue = 12;
minValue = 1;
}
} else {
maxValue = 55;
}
if (value > maxValue) {
// If we scrolled forward past the highest number, wrap around to the lowest.
value = minValue;
} else if (value < minValue) {
// If we scrolled backward past the lowest number, wrap around to the highest.
value = maxValue;
}
setItem(currentItemShowing, value);
mListener.onValueSelected(currentItemShowing, value, false);
return true;
}
return false;
}
示例7: performAccessibilityAction
/**
* When scroll forward/backward events are received, announce the newly scrolled-to month.
*/
@SuppressLint("NewApi")
@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
if (action != AccessibilityNodeInfo.ACTION_SCROLL_FORWARD &&
action != AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
return super.performAccessibilityAction(action, arguments);
}
// Figure out what month is showing.
int firstVisiblePosition = getFirstVisiblePosition();
int minMonth = mController.getStartDate().get(Calendar.MONTH);
int month = (firstVisiblePosition + minMonth) % MonthAdapter.MONTHS_IN_YEAR;
int year = (firstVisiblePosition + minMonth) / MonthAdapter.MONTHS_IN_YEAR + mController.getMinYear();
MonthAdapter.CalendarDay day = new MonthAdapter.CalendarDay(year, month, 1);
// Scroll either forward or backward one month.
if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) {
day.month++;
if (day.month == 12) {
day.month = 0;
day.year++;
}
} else if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
View firstVisibleView = getChildAt(0);
// If the view is fully visible, jump one month back. Otherwise, we'll just jump
// to the first day of first visible month.
if (firstVisibleView != null && firstVisibleView.getTop() >= -1) {
// There's an off-by-one somewhere, so the top of the first visible item will
// actually be -1 when it's at the exact top.
day.month--;
if (day.month == -1) {
day.month = 11;
day.year--;
}
}
}
// Go to that month.
Utils.tryAccessibilityAnnounce(this, getMonthAndYearString(day));
goTo(day, true, false, true);
mPerformingScroll = true;
return true;
}