Java Code Examples for android.view.accessibility.AccessibilityEvent#getScrollY()
The following examples show how to use
android.view.accessibility.AccessibilityEvent#getScrollY() .
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Example 1
| Source File: ScrollEventInterpreter.java From talkback with Apache License 2.0 | 6 votes |
|
private boolean hasValidIndex(AccessibilityEvent event) {
switch (event.getEventType()) {
case AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED:
return (event.getFromIndex() != INDEX_UNDEFINED)
&& (event.getToIndex() != INDEX_UNDEFINED)
&& (event.getItemCount() > 0);
case AccessibilityEvent.TYPE_VIEW_SCROLLED:
boolean validScrollDelta = AccessibilityEventUtils.hasValidScrollDelta(event);
return (event.getFromIndex() != INDEX_UNDEFINED)
|| (event.getToIndex() != INDEX_UNDEFINED)
|| (event.getScrollX() != INDEX_UNDEFINED)
|| (event.getScrollY() != INDEX_UNDEFINED)
|| validScrollDelta;
default:
return false;
}
}
Example 2
| Source File: AccessibilityScrollData.java From appium-uiautomator2-server with Apache License 2.0 | 5 votes |
|
public AccessibilityScrollData(AccessibilityEvent event) {
this.scrollX = event.getScrollX();
this.scrollY = event.getScrollY();
this.maxScrollX = event.getMaxScrollX();
this.maxScrollY = event.getMaxScrollY();
this.fromIndex = event.getFromIndex();
this.toIndex = event.getToIndex();
this.itemCount = event.getItemCount();
}
Example 3
| Source File: AccessibilityEventUtils.java From talkback with Apache License 2.0 | 5 votes |
|
/**
* Returns a floating point value representing the scroll position of an {@link
* AccessibilityEvent}. This value may be outside the range {0..1}. If there's no valid way to
* obtain a position, this method returns the default value.
*
* @param event The event from which to obtain the scroll position.
* @param defaultValue Value to return if there is no valid scroll position from the event.
* @return A floating point value representing the scroll position.
*/
public static float getScrollPosition(AccessibilityEvent event, float defaultValue) {
if (event == null) {
return defaultValue;
}
final int itemCount = event.getItemCount();
final int fromIndex = event.getFromIndex();
// First, attempt to use (fromIndex / itemCount).
if ((fromIndex >= 0) && (itemCount > 0)) {
return (fromIndex / (float) itemCount);
}
final int scrollY = event.getScrollY();
final int maxScrollY = event.getMaxScrollY();
// Next, attempt to use (scrollY / maxScrollY). This will fail if the
// getMaxScrollX() method is not available.
if ((scrollY >= 0) && (maxScrollY > 0)) {
return (scrollY / (float) maxScrollY);
}
// Finally, attempt to use (scrollY / itemCount).
// TODO: Investigate if it is still needed.
if ((scrollY >= 0) && (itemCount > 0) && (scrollY <= itemCount)) {
return (scrollY / (float) itemCount);
}
return defaultValue;
}
Example 4
| Source File: ScrollEventInterpreter.java From talkback with Apache License 2.0 | 5 votes |
|
@SearchDirectionOrUnknown
private int getScrollDirection(NodeIdentifier sourceNodeIdentifier, AccessibilityEvent event) {
PositionInfo positionInfo = cachedPositionInfo.get(sourceNodeIdentifier);
if (positionInfo == null) {
if (BuildVersionUtils.isAtLeastR()) {
return getScrollDirectionFromDeltas(event);
}
return TraversalStrategy.SEARCH_FOCUS_UNKNOWN;
}
// Check scroll of AdapterViews
if (event.getFromIndex() > positionInfo.fromIndex
|| event.getToIndex() > positionInfo.toIndex) {
return TraversalStrategy.SEARCH_FOCUS_FORWARD;
} else if (event.getFromIndex() < positionInfo.fromIndex
|| event.getToIndex() < positionInfo.toIndex) {
return TraversalStrategy.SEARCH_FOCUS_BACKWARD;
}
// Check scroll of ScrollViews.
if (event.getScrollX() > positionInfo.scrollX || event.getScrollY() > positionInfo.scrollY) {
return TraversalStrategy.SEARCH_FOCUS_FORWARD;
} else if (event.getScrollX() < positionInfo.scrollX
|| event.getScrollY() < positionInfo.scrollY) {
return TraversalStrategy.SEARCH_FOCUS_BACKWARD;
}
if (BuildVersionUtils.isAtLeastR()) {
return getScrollDirectionFromDeltas(event);
}
return TraversalStrategy.SEARCH_FOCUS_UNKNOWN;
}
Example 5
| Source File: ScrollEventInterpreter.java From talkback with Apache License 2.0 | 5 votes |
|
PositionInfo(AccessibilityEvent event) {
fromIndex = event.getFromIndex();
toIndex = event.getToIndex();
scrollX = event.getScrollX();
scrollY = event.getScrollY();
itemCount = event.getItemCount();
scrollDeltaX = AccessibilityEventUtils.getScrollDeltaX(event);
scrollDeltaY = AccessibilityEventUtils.getScrollDeltaY(event);
}
Example 6
| Source File: LaunchApp.java From PUMA with Apache License 2.0 | 5 votes |
|
private ScrollDirection findScrollDirection() {
AccessibilityNodeInfo localRoot = getRootNode();
AccessibilityNodeInfo toScroll = getScrollableNode(localRoot);
ScrollDirection sDir = new ScrollDirection();
AccessibilityEvent event;
boolean atBeginning;
// Util.log(toScroll);
// Test Up --> Down
event = scrollAndWaitForLastEvent(toScroll, true, true);
sDir.vertical = checkScrollEvent(event);
if (!toScroll.getClassName().equals(ListView.class.getCanonicalName())) {
// Test Left --> Right
event = scrollAndWaitForLastEvent(toScroll, false, true);
sDir.horizontal = checkScrollEvent(event);
// Restore view position
do {
event = scrollAndWaitForLastEvent(toScroll, false, false);
atBeginning = (event == null) || (event.getFromIndex() == 0) || (event.getScrollX() == 0);
} while (!atBeginning);
}
// Restore view position
do {
event = scrollAndWaitForLastEvent(toScroll, true, false);
atBeginning = (event == null) || (event.getFromIndex() == 0) || (event.getScrollY() == 0);
} while (!atBeginning);
return sDir;
}
Example 7
| Source File: LaunchApp.java From PUMA with Apache License 2.0 | 5 votes |
|
private boolean compareScrollEvent(AccessibilityEvent event1, AccessibilityEvent event2) {
boolean same = false;
if (event1 == null && event2 == null) {
same = true;
} else if (event1 != null && event2 != null) {
String s1 = event1.getFromIndex() + "," + event1.getToIndex() + "," + event1.getScrollX() + "," + event1.getScrollY();
String s2 = event2.getFromIndex() + "," + event2.getToIndex() + "," + event2.getScrollX() + "," + event2.getScrollY();
same = s1.equals(s2);
}
return same;
}
Example 8
| Source File: MergeNodeInfo.java From PUMA with Apache License 2.0 | 5 votes |
|
public MergeNodeInfo(AccessibilityEvent event) {
this.source = event.getSource();
this.fromIndex = event.getFromIndex();
this.toIndex = event.getToIndex();
this.scrollX = event.getScrollX();
this.scrollY = event.getScrollY();
this.maxScrollX = event.getMaxScrollX();
this.maxScrollY = event.getMaxScrollY();
}
Example 9
| Source File: InteractionController.java From za-Farmer with MIT License | 4 votes |
|
/**
* Handle swipes in any direction where the result is a scroll event. This call blocks
* until the UI has fired a scroll event or timeout.
* @param downX
* @param downY
* @param upX
* @param upY
* @param steps
* @return true if we are not at the beginning or end of the scrollable view.
*/
public boolean scrollSwipe(final int downX, final int downY, final int upX, final int upY,
final int steps) {
Log.d(LOG_TAG, "scrollSwipe (" + downX + ", " + downY + ", " + upX + ", "
+ upY + ", " + steps +")");
Runnable command = new Runnable() {
@Override
public void run() {
swipe(downX, downY, upX, upY, steps);
}
};
// Collect all accessibility events generated during the swipe command and get the
// last event
ArrayList<AccessibilityEvent> events = new ArrayList<AccessibilityEvent>();
runAndWaitForEvents(command,
new EventCollectingPredicate(AccessibilityEvent.TYPE_VIEW_SCROLLED, events),
Configurator.getInstance().getScrollAcknowledgmentTimeout());
AccessibilityEvent event = getLastMatchingEvent(events,
AccessibilityEvent.TYPE_VIEW_SCROLLED);
if (event == null) {
// end of scroll since no new scroll events received
recycleAccessibilityEvents(events);
return false;
}
// AdapterViews have indices we can use to check for the beginning.
boolean foundEnd = false;
if (event.getFromIndex() != -1 && event.getToIndex() != -1 && event.getItemCount() != -1) {
foundEnd = event.getFromIndex() == 0 ||
(event.getItemCount() - 1) == event.getToIndex();
Log.d(LOG_TAG, "scrollSwipe reached scroll end: " + foundEnd);
} else if (event.getScrollX() != -1 && event.getScrollY() != -1) {
// Determine if we are scrolling vertically or horizontally.
if (downX == upX) {
// Vertical
foundEnd = event.getScrollY() == 0 ||
event.getScrollY() == event.getMaxScrollY();
Log.d(LOG_TAG, "Vertical scrollSwipe reached scroll end: " + foundEnd);
} else if (downY == upY) {
// Horizontal
foundEnd = event.getScrollX() == 0 ||
event.getScrollX() == event.getMaxScrollX();
Log.d(LOG_TAG, "Horizontal scrollSwipe reached scroll end: " + foundEnd);
}
}
recycleAccessibilityEvents(events);
return !foundEnd;
}
Example 10
| Source File: Until.java From za-Farmer with MIT License | 4 votes |
|
/**
* Returns a condition that depends on a scroll having reached the end in the given
* {@code direction}.
*
* @param direction The direction of the scroll.
*/
public static EventCondition<Boolean> scrollFinished(final Direction direction) {
return new EventCondition<Boolean>() {
private Direction mDirection = direction;
private Boolean mResult = null;
@Override
Boolean apply(AccessibilityEvent event) {
if (event.getFromIndex() != -1 && event.getToIndex() != -1 &&
event.getItemCount() != -1) {
switch (mDirection) {
case UP:
mResult = (event.getFromIndex() == 0);
break;
case DOWN:
mResult = (event.getToIndex() == event.getItemCount() - 1);
break;
case LEFT:
mResult = (event.getFromIndex() == 0);
break;
case RIGHT:
mResult = (event.getToIndex() == event.getItemCount() - 1);
break;
default:
throw new IllegalArgumentException("Invalid Direction");
}
} else if (event.getScrollX() != -1 && event.getScrollY() != -1) {
switch (mDirection) {
case UP:
mResult = (event.getScrollY() == 0);
break;
case DOWN:
mResult = (event.getScrollY() == event.getMaxScrollY());
break;
case LEFT:
mResult = (event.getScrollX() == 0);
break;
case RIGHT:
mResult = (event.getScrollX() == event.getMaxScrollX());
break;
default:
throw new IllegalArgumentException("Invalid Direction");
}
}
// Keep listening for events until the result is set to true (we reached the end)
return Boolean.TRUE.equals(mResult);
}
@Override
Boolean getResult() {
// If we didn't recieve any scroll events (mResult == null), assume we're already at
// the end and return true.
return mResult == null || mResult;
}
};
}
Example 11
| Source File: InteractionController.java From JsDroidCmd with Mozilla Public License 2.0 | 4 votes |
|
/**
* Handle swipes in any direction where the result is a scroll event. This
* call blocks until the UI has fired a scroll event or timeout.
*
* @param downX
* @param downY
* @param upX
* @param upY
* @param steps
* @return true if we are not at the beginning or end of the scrollable
* view.
*/
public boolean scrollSwipe(final int downX, final int downY, final int upX,
final int upY, final int steps) {
Runnable command = new Runnable() {
@Override
public void run() {
swipe(downX, downY, upX, upY, steps);
}
};
// Collect all accessibility events generated during the swipe command
// and get the
// last event
ArrayList<AccessibilityEvent> events = new ArrayList<AccessibilityEvent>();
runAndWaitForEvents(command, new EventCollectingPredicate(
AccessibilityEvent.TYPE_VIEW_SCROLLED, events), Configurator
.getInstance().getScrollAcknowledgmentTimeout());
AccessibilityEvent event = getLastMatchingEvent(events,
AccessibilityEvent.TYPE_VIEW_SCROLLED);
if (event == null) {
// end of scroll since no new scroll events received
recycleAccessibilityEvents(events);
return false;
}
// AdapterViews have indices we can use to check for the beginning.
boolean foundEnd = false;
if (event.getFromIndex() != -1 && event.getToIndex() != -1
&& event.getItemCount() != -1) {
foundEnd = event.getFromIndex() == 0
|| (event.getItemCount() - 1) == event.getToIndex();
Log.d(LOG_TAG, "scrollSwipe reached scroll end: " + foundEnd);
} else if (event.getScrollX() != -1 && event.getScrollY() != -1) {
// Determine if we are scrolling vertically or horizontally.
if (downX == upX) {
// Vertical
foundEnd = event.getScrollY() == 0
|| event.getScrollY() == event.getMaxScrollY();
Log.d(LOG_TAG, "Vertical scrollSwipe reached scroll end: "
+ foundEnd);
} else if (downY == upY) {
// Horizontal
foundEnd = event.getScrollX() == 0
|| event.getScrollX() == event.getMaxScrollX();
Log.d(LOG_TAG, "Horizontal scrollSwipe reached scroll end: "
+ foundEnd);
}
}
recycleAccessibilityEvents(events);
return !foundEnd;
}
Example 12
| Source File: Until.java From JsDroidCmd with Mozilla Public License 2.0 | 4 votes |
|
/**
* Returns a condition that depends on a scroll having reached the end in the given
* {@code direction}.
*
* @param direction The direction of the scroll.
*/
public static EventCondition<Boolean> scrollFinished(final Direction direction) {
return new EventCondition<Boolean>() {
private Direction mDirection = direction;
private Boolean mResult = null;
@Override
Boolean apply(AccessibilityEvent event) {
if (event.getFromIndex() != -1 && event.getToIndex() != -1 &&
event.getItemCount() != -1) {
switch (mDirection) {
case UP:
mResult = (event.getFromIndex() == 0);
break;
case DOWN:
mResult = (event.getToIndex() == event.getItemCount() - 1);
break;
case LEFT:
mResult = (event.getFromIndex() == 0);
break;
case RIGHT:
mResult = (event.getToIndex() == event.getItemCount() - 1);
break;
default:
throw new IllegalArgumentException("Invalid Direction");
}
} else if (event.getScrollX() != -1 && event.getScrollY() != -1) {
switch (mDirection) {
case UP:
mResult = (event.getScrollY() == 0);
break;
case DOWN:
mResult = (event.getScrollY() == event.getMaxScrollY());
break;
case LEFT:
mResult = (event.getScrollX() == 0);
break;
case RIGHT:
mResult = (event.getScrollX() == event.getMaxScrollX());
break;
default:
throw new IllegalArgumentException("Invalid Direction");
}
}
// Keep listening for events until the result is set to true (we reached the end)
return Boolean.TRUE.equals(mResult);
}
@Override
Boolean getResult() {
// If we didn't recieve any scroll events (mResult == null), assume we're already at
// the end and return true.
return mResult == null || mResult;
}
};
}
Example 13
| Source File: MyInteractionController.java From PUMA with Apache License 2.0 | 4 votes |
|
/**
* Handle swipes in any direction where the result is a scroll event. This call blocks
* until the UI has fired a scroll event or timeout.
* @param downX
* @param downY
* @param upX
* @param upY
* @param steps
* @return true if we are not at the beginning or end of the scrollable view.
*/
public boolean scrollSwipe(final int downX, final int downY, final int upX, final int upY, final int steps) {
Log.d(LOG_TAG, "scrollSwipe (" + downX + ", " + downY + ", " + upX + ", " + upY + ", " + steps + ")");
Runnable command = new Runnable() {
@Override
public void run() {
swipe(downX, downY, upX, upY, steps);
}
};
// Collect all accessibility events generated during the swipe command and get the
// last event
ArrayList<AccessibilityEvent> events = new ArrayList<AccessibilityEvent>();
runAndWaitForEvents(command, new EventCollectingPredicate(AccessibilityEvent.TYPE_VIEW_SCROLLED, events), Configurator.getInstance().getScrollAcknowledgmentTimeout());
AccessibilityEvent event = getLastMatchingEvent(events, AccessibilityEvent.TYPE_VIEW_SCROLLED);
if (event == null) {
// end of scroll since no new scroll events received
recycleAccessibilityEvents(events);
return false;
}
// AdapterViews have indices we can use to check for the beginning.
boolean foundEnd = false;
if (event.getFromIndex() != -1 && event.getToIndex() != -1 && event.getItemCount() != -1) {
foundEnd = event.getFromIndex() == 0 || (event.getItemCount() - 1) == event.getToIndex();
Log.d(LOG_TAG, "scrollSwipe reached scroll end: " + foundEnd);
} else if (event.getScrollX() != -1 && event.getScrollY() != -1) {
// Determine if we are scrolling vertically or horizontally.
if (downX == upX) {
// Vertical
foundEnd = event.getScrollY() == 0 || event.getScrollY() == event.getMaxScrollY();
Log.d(LOG_TAG, "Vertical scrollSwipe reached scroll end: " + foundEnd);
} else if (downY == upY) {
// Horizontal
foundEnd = event.getScrollX() == 0 || event.getScrollX() == event.getMaxScrollX();
Log.d(LOG_TAG, "Horizontal scrollSwipe reached scroll end: " + foundEnd);
}
}
recycleAccessibilityEvents(events);
return !foundEnd;
}
Example 14
| Source File: LaunchApp.java From PUMA with Apache License 2.0 | 4 votes |
|
private boolean checkScrollEvent(AccessibilityEvent event) {
return ((event != null) && (event.getFromIndex() > -1 || event.getScrollX() > -1 || event.getScrollY() > -1));
}
