Java Code Examples for android.view.accessibility.AccessibilityNodeInfo#ACTION_SCROLL_FORWARD
The following examples show how to use
android.view.accessibility.AccessibilityNodeInfo#ACTION_SCROLL_FORWARD .
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Example 1
| Source File: PagedView.java From TurboLauncher with Apache License 2.0 | 6 votes |
|
@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;
}
Example 2
| Source File: RadialTimePickerView.java From DateTimePicker with Apache License 2.0 | 6 votes |
|
@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;
}
Example 3
| Source File: StackView.java From android_9.0.0_r45 with Apache License 2.0 | 6 votes |
|
/** @hide */
@Override
public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
if (super.performAccessibilityActionInternal(action, arguments)) {
return true;
}
if (!isEnabled()) {
return false;
}
switch (action) {
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
if (getDisplayedChild() < getChildCount() - 1) {
showNext();
return true;
}
} return false;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
if (getDisplayedChild() > 0) {
showPrevious();
return true;
}
} return false;
}
return false;
}
Example 4
| Source File: SdkCenteredViewPager.java From Android-SDK-Demo with MIT License | 5 votes |
|
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args)
{
if ( super.performAccessibilityAction( host, action, args ) )
{
return true;
}
switch ( action )
{
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
{
if ( canScrollHorizontally( 1 ) )
{
setCurrentItem( mCurItem + 1 );
return true;
}
}
return false;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
{
if ( canScrollHorizontally( -1 ) )
{
setCurrentItem( mCurItem - 1 );
return true;
}
}
return false;
}
return false;
}
Example 5
| Source File: MultiSlider.java From MultiSlider with Apache License 2.0 | 5 votes |
|
@Override
public boolean performAction(int virtualViewId, int action, Bundle arguments) {
if (virtualViewId == View.NO_ID) {
//do nothing .. for now
return false;
} else {
if (virtualViewId >= mThumbs.size()) return false;
Thumb thumb = mThumbs.get(virtualViewId);
if (thumb == null) return false;
switch (action) {
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
thumb.setValue(thumb.value + getStep());
return true;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
thumb.setValue(thumb.value - getStep());
return true;
case ACT_SET_PROGRESS:
thumb.setValue(arguments.getInt("value"));
return true;
}
}
return false;
}
Example 6
| Source File: SdkCenteredViewPager.java From Android-SDK-Demo with MIT License | 5 votes |
|
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args)
{
if ( super.performAccessibilityAction( host, action, args ) )
{
return true;
}
switch ( action )
{
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
{
if ( canScrollHorizontally( 1 ) )
{
setCurrentItem( mCurItem + 1 );
return true;
}
}
return false;
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
{
if ( canScrollHorizontally( -1 ) )
{
setCurrentItem( mCurItem - 1 );
return true;
}
}
return false;
}
return false;
}
Example 7
| Source File: DefaultNavigationMode.java From brailleback with Apache License 2.0 | 5 votes |
|
/**
* Checks if the specified node is suitable for autoscrolling and will
* try to scroll it if it is.
* Note we might have an issue here when more than one node is on the line
* or not the whole list item is visible.
*/
private boolean autoScrollItem(AccessibilityNodeInfoCompat node,
int scrollDirection) {
int edgeDirection =
(scrollDirection == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD)
? 1 : -1;
return AccessibilityNodeInfoUtils.isAutoScrollEdgeListItem(
mAccessibilityService, node, edgeDirection)
&& attemptScrollAction(scrollDirection);
}
Example 8
| Source File: RadialPickerLayout.java From narrate-android with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
Example 9
| Source File: RadialPickerLayout.java From Android-SwitchDateTimePicker with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
Example 10
| Source File: RadialPickerLayout.java From Blackbulb with GNU General Public License v3.0 | 4 votes |
|
/**
* When scroll forward/backward events are received, jump the time to the higher/lower
* discrete, visible value on the circle.
*/
@Override
public boolean performAccessibilityAction(int action, Bundle arguments) {
if (super.performAccessibilityAction(action, arguments)) {
return true;
}
int changeMultiplier = 0;
int forward;
int backward;
if (Build.VERSION.SDK_INT >= 16) {
forward = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
backward = AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
} else {
forward = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
backward = AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
}
if (action == forward) {
changeMultiplier = 1;
} else if (action == 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;
} else if (currentItemShowing == SECOND_INDEX) {
stepSize = SECOND_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;
}
Timepoint newSelection;
switch(currentItemShowing) {
case HOUR_INDEX:
newSelection = new Timepoint(
value,
mCurrentTime.getMinute(),
mCurrentTime.getSecond()
);
break;
case MINUTE_INDEX:
newSelection = new Timepoint(
mCurrentTime.getHour(),
value,
mCurrentTime.getSecond()
);
break;
case SECOND_INDEX:
newSelection = new Timepoint(
mCurrentTime.getHour(),
mCurrentTime.getMinute(),
value
);
break;
default:
newSelection = mCurrentTime;
}
setItem(currentItemShowing, newSelection);
mListener.onValueSelected(newSelection);
return true;
}
return false;
}
Example 11
| Source File: DayPickerView.java From BottomSheetPickers with Apache License 2.0 | 4 votes |
|
/**
* 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 month = firstVisiblePosition % 12;
int year = firstVisiblePosition / 12 + mController.getMinYear();
CalendarDay day = new 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;
}
Example 12
| Source File: PagingDayPickerView.java From BottomSheetPickers with Apache License 2.0 | 4 votes |
|
/**
* 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 = getPagerPosition();
int month = firstVisiblePosition % 12;
int year = firstVisiblePosition / 12 + mController.getMinYear();
CalendarDay day = new 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);
return true;
}
Example 13
| Source File: RadialPickerLayout.java From AlarmOn with Apache License 2.0 | 4 votes |
|
/**
* 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;
} else if (currentItemShowing == SECOND_INDEX) {
stepSize = SECOND_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;
}
Timepoint newSelection;
switch(currentItemShowing) {
case HOUR_INDEX:
newSelection = new Timepoint(
value,
mCurrentTime.getMinute(),
mCurrentTime.getSecond()
);
break;
case MINUTE_INDEX:
newSelection = new Timepoint(
mCurrentTime.getHour(),
value,
mCurrentTime.getSecond()
);
break;
case SECOND_INDEX:
newSelection = new Timepoint(
mCurrentTime.getHour(),
mCurrentTime.getMinute(),
value
);
break;
default:
newSelection = mCurrentTime;
}
setItem(currentItemShowing, newSelection);
mListener.onValueSelected(newSelection);
return true;
}
return false;
}
Example 14
| Source File: DayPickerView.java From narrate-android with Apache License 2.0 | 4 votes |
|
/**
* 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 month = firstVisiblePosition % 12;
int year = firstVisiblePosition / 12 + mController.getMinYear();
CalendarDay day = new 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;
}
Example 15
| Source File: DayPickerView.java From AssistantBySDK with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
Example 16
| Source File: DayPickerView.java From MaterialDateRangePicker with Apache License 2.0 | 4 votes |
|
/**
* 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 month = firstVisiblePosition % 12;
int year = firstVisiblePosition / 12 + 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;
}
Example 17
| Source File: DayPickerView.java From AlarmOn with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
Example 18
| Source File: DayPickerView.java From StyleableDateTimePicker with MIT License | 4 votes |
|
/**
* 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 month = firstVisiblePosition % 12;
int year = firstVisiblePosition / 12 + mController.getMinYear();
CalendarDay day = new 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;
}
Example 19
| Source File: AbsSeekBar.java From android_9.0.0_r45 with Apache License 2.0 | 4 votes |
|
/** @hide */
@Override
public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
if (super.performAccessibilityActionInternal(action, arguments)) {
return true;
}
if (!isEnabled()) {
return false;
}
switch (action) {
case R.id.accessibilityActionSetProgress: {
if (!canUserSetProgress()) {
return false;
}
if (arguments == null || !arguments.containsKey(
AccessibilityNodeInfo.ACTION_ARGUMENT_PROGRESS_VALUE)) {
return false;
}
float value = arguments.getFloat(
AccessibilityNodeInfo.ACTION_ARGUMENT_PROGRESS_VALUE);
return setProgressInternal((int) value, true, true);
}
case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
if (!canUserSetProgress()) {
return false;
}
int range = getMax() - getMin();
int increment = Math.max(1, Math.round((float) range / 20));
if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) {
increment = -increment;
}
// Let progress bar handle clamping values.
if (setProgressInternal(getProgress() + increment, true, true)) {
onKeyChange();
return true;
}
return false;
}
}
return false;
}
Example 20
| Source File: RadialPickerLayout.java From Conquer with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
