Example usage for android.view MotionEvent ACTION_HOVER

Introduction

In this page you can find the example usage for android.view MotionEvent ACTION_HOVER_ENTER.

Prototype

int ACTION_HOVER_ENTER

To view the source code for android.view MotionEvent ACTION_HOVER_ENTER.

Click Source Link

Document

Constant for #getActionMasked : The pointer is not down but has entered the boundaries of a window or view.

Usage

From source file:hide.com.googlecode.eyesfree.utils.TouchExplorationHelper.java

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public boolean onHover(View view, MotionEvent event) {
    if (!mManager.isTouchExplorationEnabled()) {
        return false;
    }//from w  w  w.  j a  va  2  s .  co  m

    switch (event.getAction()) {
    case MotionEvent.ACTION_HOVER_ENTER:
    case MotionEvent.ACTION_HOVER_MOVE:
        final T item = getItemAt(event.getX(), event.getY());
        setCurrentItem(item);
        return true;
    case MotionEvent.ACTION_HOVER_EXIT:
        setCurrentItem(null);
        return true;
    }

    return false;
}

From source file:com.android.hareime.accessibility.AccessibleKeyboardViewProxy.java

/**
 * Handles a hover event on a key. If {@link Key} extended View, this would
 * be analogous to calling View.onHoverEvent(MotionEvent).
 *
 * @param key The currently hovered key.
 * @param event The hover event.// ww w .  jav a  2 s  .com
 * @return {@code true} if the event was handled.
 */
private boolean onHoverKey(Key key, MotionEvent event) {
    // Null keys can't receive events.
    if (key == null) {
        return false;
    }

    final AccessibilityEntityProvider provider = getAccessibilityNodeProvider();

    switch (event.getAction()) {
    case MotionEvent.ACTION_HOVER_ENTER:
        provider.sendAccessibilityEventForKey(key, AccessibilityEventCompat.TYPE_VIEW_HOVER_ENTER);
        provider.performActionForKey(key, AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS, null);
        break;
    case MotionEvent.ACTION_HOVER_EXIT:
        provider.sendAccessibilityEventForKey(key, AccessibilityEventCompat.TYPE_VIEW_HOVER_EXIT);
        break;
    }

    return true;
}

From source file:com.deange.datetimepicker.TouchExplorationHelper.java

@Override
public boolean onHover(View view, MotionEvent event) {
    if (!mManager.isTouchExplorationEnabled()) {
        return false;
    }/*w w w  . ja  va 2s.  c  o  m*/

    switch (event.getAction()) {
    case MotionEvent.ACTION_HOVER_ENTER:
    case MotionEvent.ACTION_HOVER_MOVE:
        final T item = getItemAt(event.getX(), event.getY());
        setCurrentItem(item);
        return true;
    case MotionEvent.ACTION_HOVER_EXIT:
        setCurrentItem(null);
        return true;
    }

    return false;
}

From source file:org.holoeverywhere.widget.datetimepicker.TouchExplorationHelper.java

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public View.OnHoverListener getOnHoverListener() {
    if (mOnHoverListener == null) {
        mOnHoverListener = new View.OnHoverListener() {
            @Override/*from  w ww.ja v a2 s .c om*/
            public boolean onHover(View view, MotionEvent event) {
                if (!mManager.isTouchExplorationEnabled()) {
                    return false;
                }

                switch (event.getAction()) {
                case MotionEvent.ACTION_HOVER_ENTER:
                case MotionEvent.ACTION_HOVER_MOVE:
                    final T item = getItemAt(event.getX(), event.getY());
                    setCurrentItem(item);
                    return true;
                case MotionEvent.ACTION_HOVER_EXIT:
                    setCurrentItem(null);
                    return true;
                }

                return false;
            }
        };
    }
    return (View.OnHoverListener) mOnHoverListener;
}

From source file:com.commonsware.android.kbmouse.hotkeys.MainActivity.java

private void onHover(MotionEvent event, @StringRes final int message, final View anchor) {
    Runnable hover = hoverTimers.get(anchor.getId());

    if (hover == null && (event.getAction() == MotionEvent.ACTION_HOVER_ENTER
            || event.getAction() == MotionEvent.ACTION_HOVER_MOVE)) {

        hover = new Runnable() {
            @Override/* w w w  . j  a  v a 2 s .c  o  m*/
            public void run() {
                showTooltip(message);
            }
        };

        hoverTimers.put(anchor.getId(), hover);
        thumbnailLarge.postDelayed(hover, TOOLTIP_DELAY);
    } else if (hover != null && event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
        thumbnailLarge.removeCallbacks(hover);
        hoverTimers.remove(anchor.getId());
    }
}

From source file:com.onyx.latinime.accessibility.AccessibleKeyboardViewProxy.java

/**
 * Receives hover events when touch exploration is turned on in SDK versions ICS and higher.
 *
 * @param event The hover event./*from   w ww  . ja va2 s .  co m*/
 * @return {@code true} if the event is handled
 */
public boolean dispatchHoverEvent(final MotionEvent event, final PointerTracker tracker) {
    if (mView == null) {
        return false;
    }

    final int x = (int) event.getX();
    final int y = (int) event.getY();
    final Key previousKey = mLastHoverKey;
    final Key key;

    if (pointInView(x, y)) {
        key = tracker.getKeyOn(x, y);
    } else {
        key = null;
    }
    mLastHoverKey = key;

    switch (event.getAction()) {
    case MotionEvent.ACTION_HOVER_EXIT:
        // Make sure we're not getting an EXIT event because the user slid
        // off the keyboard area, then force a key press.
        if (key != null) {
            getAccessibilityNodeProvider().simulateKeyPress(key);
        }
        //$FALL-THROUGH$
    case MotionEvent.ACTION_HOVER_ENTER:
        return onHoverKey(key, event);
    case MotionEvent.ACTION_HOVER_MOVE:
        if (key != previousKey) {
            return onTransitionKey(key, previousKey, event);
        }
        return onHoverKey(key, event);
    }
    return false;
}

From source file:com.onyx.latinime.accessibility.AccessibleKeyboardViewProxy.java

/**
 * Simulates a transition between two {@link Key}s by sending a HOVER_EXIT on the previous key,
 * a HOVER_ENTER on the current key, and a HOVER_MOVE on the current key.
 *
 * @param currentKey The currently hovered key.
 * @param previousKey The previously hovered key.
 * @param event The event that triggered the transition.
 * @return {@code true} if the event was handled.
 *///from   w ww .  j  av a2 s.co m
private boolean onTransitionKey(final Key currentKey, final Key previousKey, final MotionEvent event) {
    final int savedAction = event.getAction();
    event.setAction(MotionEvent.ACTION_HOVER_EXIT);
    onHoverKey(previousKey, event);
    event.setAction(MotionEvent.ACTION_HOVER_ENTER);
    onHoverKey(currentKey, event);
    event.setAction(MotionEvent.ACTION_HOVER_MOVE);
    final boolean handled = onHoverKey(currentKey, event);
    event.setAction(savedAction);
    return handled;
}

From source file:com.rexmtorres.android.patternlock.PatternLockView.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        if (mAccessibilityManager.isTouchExplorationEnabled()) {
            final int action = event.getAction();
            switch (action) {
            case MotionEvent.ACTION_HOVER_ENTER:
                event.setAction(MotionEvent.ACTION_DOWN);
                break;
            case MotionEvent.ACTION_HOVER_MOVE:
                event.setAction(MotionEvent.ACTION_MOVE);
                break;
            case MotionEvent.ACTION_HOVER_EXIT:
                event.setAction(MotionEvent.ACTION_UP);
                break;
            }/*from w  w  w  .  ja  v  a2  s  .c om*/
            onTouchEvent(event);
            event.setAction(action);
        }
    }
    return super.onHoverEvent(event);
}

From source file:com.onyx.latinime.accessibility.AccessibleKeyboardViewProxy.java

/**
 * Handles a hover event on a key. If {@link Key} extended View, this would be analogous to
 * calling View.onHoverEvent(MotionEvent).
 *
 * @param key The currently hovered key.
 * @param event The hover event.//w ww  .  ja  v  a2 s . c  o  m
 * @return {@code true} if the event was handled.
 */
private boolean onHoverKey(final Key key, final MotionEvent event) {
    // Null keys can't receive events.
    if (key == null) {
        return false;
    }
    final AccessibilityEntityProvider provider = getAccessibilityNodeProvider();

    switch (event.getAction()) {
    case MotionEvent.ACTION_HOVER_ENTER:
        provider.sendAccessibilityEventForKey(key, AccessibilityEventCompat.TYPE_VIEW_HOVER_ENTER);
        provider.performActionForKey(key, AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS, null);
        break;
    case MotionEvent.ACTION_HOVER_EXIT:
        provider.sendAccessibilityEventForKey(key, AccessibilityEventCompat.TYPE_VIEW_HOVER_EXIT);
        break;
    }
    return true;
}

From source file:com.github.crvv.wubinput.wubi.dictionary.suggestions.SuggestionStripView.java

@Override
public boolean onTouchEvent(final MotionEvent me) {
    // In the sliding input mode. {@link MotionEvent} should be forwarded to
    // {@link MoreSuggestionsView}.
    final int index = me.getActionIndex();
    final int x = mMoreSuggestionsView.translateX((int) me.getX(index));
    final int y = mMoreSuggestionsView.translateY((int) me.getY(index));
    me.setLocation(x, y);//from w w w.  jav  a 2  s  .  c  o m
    if (!mNeedsToTransformTouchEventToHoverEvent) {
        mMoreSuggestionsView.onTouchEvent(me);
        return true;
    }
    // In sliding suggestion mode with accessibility mode on, a touch event should be
    // transformed to a hover event.
    final int width = mMoreSuggestionsView.getWidth();
    final int height = mMoreSuggestionsView.getHeight();
    final boolean onMoreSuggestions = (x >= 0 && x < width && y >= 0 && y < height);
    if (!onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
        // Just drop this touch event because dispatching hover event isn't started yet and
        // the touch event isn't on {@link MoreSuggestionsView}.
        return true;
    }
    final int hoverAction;
    if (onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
        // Transform this touch event to a hover enter event and start dispatching a hover
        // event to {@link MoreSuggestionsView}.
        mIsDispatchingHoverEventToMoreSuggestions = true;
        hoverAction = MotionEvent.ACTION_HOVER_ENTER;
    } else if (me.getActionMasked() == MotionEvent.ACTION_UP) {
        // Transform this touch event to a hover exit event and stop dispatching a hover event
        // after this.
        mIsDispatchingHoverEventToMoreSuggestions = false;
        mNeedsToTransformTouchEventToHoverEvent = false;
        hoverAction = MotionEvent.ACTION_HOVER_EXIT;
    } else {
        // Transform this touch event to a hover move event.
        hoverAction = MotionEvent.ACTION_HOVER_MOVE;
    }
    me.setAction(hoverAction);
    mMoreSuggestionsView.onHoverEvent(me);
    return true;
}

Example usage for android.view MotionEvent ACTION_HOVER_ENTER

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