android.view.MotionEvent#ACTION_HOVER_ENTER源码实例Demo

下面列出了android.view.MotionEvent#ACTION_HOVER_ENTER 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： delion 文件： LayoutManager.java

private Point getMotionOffsets(MotionEvent e) {
    int actionMasked = e.getActionMasked();
    if (SPenSupport.isSPenSupported(mHost.getContext())) {
        actionMasked = SPenSupport.convertSPenEventAction(actionMasked);
    }

    if (actionMasked == MotionEvent.ACTION_DOWN
            || actionMasked == MotionEvent.ACTION_HOVER_ENTER) {
        getViewportPixel(mCachedRect);

        mCachedPoint.set(-mCachedRect.left, -mCachedRect.top);
        return mCachedPoint;
    } else if (actionMasked == MotionEvent.ACTION_UP
            || actionMasked == MotionEvent.ACTION_CANCEL
            || actionMasked == MotionEvent.ACTION_HOVER_EXIT) {
        mCachedPoint.set(0, 0);
        return mCachedPoint;
    }

    return null;
}

源代码2 项目： android-lockpattern 文件： LockPatternViewEx.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    if (((AccessibilityManager) getContext().getSystemService(
            Context.ACCESSIBILITY_SERVICE)).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;
        }
        onTouchEvent(event);
        event.setAction(action);
    }
    return super.onHoverEvent(event);
}

源代码3 项目： Huochexing12306 文件： LockPatternView.java

@SuppressLint("NewApi")
@Override
   public boolean onHoverEvent(MotionEvent event) {
       if (isEnabled()) {
           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;
           }
           onTouchEvent(event);
           event.setAction(action);
       }
       return super.onHoverEvent(event);
   }

源代码4 项目： MD360Player4Android 文件： HoverView.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    super.onHoverEvent(event);

    final int action = event.getActionMasked();
    switch (action){
        case MotionEvent.ACTION_HOVER_ENTER:
        case MotionEvent.ACTION_HOVER_MOVE:
            x = event.getX();
            y = event.getY();
            radius = (event.getEventTime() - event.getDownTime()) / 100 + 1;
            break;

        case MotionEvent.ACTION_HOVER_EXIT:
            radius = 0;
            break;
    }
    return true;
}

源代码5 项目： MHViewer 文件： LockPatternView.java

@Override
public boolean onHoverEvent(@NonNull MotionEvent event) {
    AccessibilityManager accessibilityManager =
            (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.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;
        }
        onTouchEvent(event);
        event.setAction(action);
    }
    return super.onHoverEvent(event);
}

源代码6 项目： talkback 文件： RadialMenuView.java

@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {
  switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
    case MotionEvent.ACTION_HOVER_ENTER:
      onEnter(event.getX(), event.getY());
      // Fall-through to movement events.
    case MotionEvent.ACTION_MOVE:
    case MotionEvent.ACTION_HOVER_MOVE:
      onMove(event.getX(), event.getY());
      break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_HOVER_EXIT:
      onUp(event.getX(), event.getY());
      break;
    default:
      // Don't handle other types of events.
      return false;
  }

  handler.onTouch(this, event);

  return true;
}

源代码7 项目： FirefoxReality 文件： WindowWidget.java

@Override
public void handleHoverEvent(MotionEvent aEvent) {
    if (aEvent.getAction() == MotionEvent.ACTION_HOVER_ENTER) {
        mHovered = true;
        updateBorder();
    } else if (aEvent.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
        mHovered = false;
        updateBorder();
    }

    if (!mActive) {
        // Do not send touch events to not focused windows.
        return;
    }

    if (mView != null) {
        super.handleHoverEvent(aEvent);

    } else {
        GeckoSession session = mSession.getGeckoSession();
        if (session != null && !isContextMenuVisible()) {
            session.getPanZoomController().onMotionEvent(aEvent);
        }
    }
}

源代码8 项目： MaterialPatternllockView 文件： MaterialLockView.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    if (((AccessibilityManager) getContext().getSystemService(
            Context.ACCESSIBILITY_SERVICE)).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;
        }
        onTouchEvent(event);
        event.setAction(action);
    }
    return super.onHoverEvent(event);
}

源代码9 项目： walt 文件： UsMotionEvent.java

public static String actionToString(int action) {
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            return "ACTION_DOWN";
        case MotionEvent.ACTION_UP:
            return "ACTION_UP";
        case MotionEvent.ACTION_CANCEL:
            return "ACTION_CANCEL";
        case MotionEvent.ACTION_OUTSIDE:
            return "ACTION_OUTSIDE";
        case MotionEvent.ACTION_MOVE:
            return "ACTION_MOVE";
        case MotionEvent.ACTION_HOVER_MOVE:
            return "ACTION_HOVER_MOVE";
        case MotionEvent.ACTION_SCROLL:
            return "ACTION_SCROLL";
        case MotionEvent.ACTION_HOVER_ENTER:
            return "ACTION_HOVER_ENTER";
        case MotionEvent.ACTION_HOVER_EXIT:
            return "ACTION_HOVER_EXIT";
    }
    return "UNKNOWN_ACTION";
}

源代码10 项目： android-lockpattern 文件： LockPatternView.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    if (((AccessibilityManager) getContext().getSystemService(
            Context.ACCESSIBILITY_SERVICE)).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;
        }
        onTouchEvent(event);
        event.setAction(action);
    }
    return super.onHoverEvent(event);
}

源代码11 项目： CSipSimple 文件： GlowPadView.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    if (((AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE)).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;
        }
        onTouchEvent(event);
        event.setAction(action);
    }
    super.onHoverEvent(event);
    return true;
}

源代码12 项目： 365browser 文件： CompositorViewHolder.java

private void setContentViewMotionEventOffsets(MotionEvent e, boolean canClear) {
    // TODO(dtrainor): Factor this out to LayoutDriver.
    if (e == null || mTabVisible == null) return;

    ContentViewCore contentViewCore = mTabVisible.getContentViewCore();
    if (contentViewCore == null) return;

    int actionMasked = SPenSupport.convertSPenEventAction(e.getActionMasked());

    if (actionMasked == MotionEvent.ACTION_DOWN
            || actionMasked == MotionEvent.ACTION_HOVER_ENTER) {
        if (mLayoutManager != null) mLayoutManager.getViewportPixel(mCacheViewport);
        contentViewCore.setCurrentTouchEventOffsets(-mCacheViewport.left, -mCacheViewport.top);
    } else if (canClear && (actionMasked == MotionEvent.ACTION_UP
                                   || actionMasked == MotionEvent.ACTION_CANCEL
                                   || actionMasked == MotionEvent.ACTION_HOVER_EXIT)) {
        contentViewCore.setCurrentTouchEventOffsets(0.f, 0.f);
    }
}

源代码13 项目： LB-Launcher 文件： DragLayer.java

@Override
public boolean onInterceptHoverEvent(MotionEvent ev) {
    if (mLauncher == null || mLauncher.getWorkspace() == null) {
        return false;
    }
    Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
    if (currentFolder == null) {
        return false;
    } else {
            AccessibilityManager accessibilityManager = (AccessibilityManager)
                    getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isTouchExplorationEnabled()) {
            final int action = ev.getAction();
            boolean isOverFolder;
            switch (action) {
                case MotionEvent.ACTION_HOVER_ENTER:
                    isOverFolder = isEventOverFolder(currentFolder, ev);
                    if (!isOverFolder) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    }
                    mHoverPointClosesFolder = false;
                    break;
                case MotionEvent.ACTION_HOVER_MOVE:
                    isOverFolder = isEventOverFolder(currentFolder, ev);
                    if (!isOverFolder && !mHoverPointClosesFolder) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    } else if (!isOverFolder) {
                        return true;
                    }
                    mHoverPointClosesFolder = false;
            }
        }
    }
    return false;
}

源代码14 项目： FirefoxReality 文件： HoneycombButton.java

@Override
public boolean onHoverEvent(MotionEvent event) {
    switch (event.getAction()) {
        case MotionEvent.ACTION_HOVER_ENTER:
            if (mIcon != null && mText != null) {
                if (mButtonIconHover) {
                    mIcon.setColorFilter(new PorterDuffColorFilter(getResources().getColor(R.color.asphalt, getContext().getTheme()), PorterDuff.Mode.MULTIPLY));
                }
                mText.setTextColor(getContext().getColor(R.color.asphalt));
                mSecondaryText.setTextColor(getContext().getColor(R.color.asphalt));
            }
            break;
        case MotionEvent.ACTION_HOVER_EXIT:
            if (mIcon != null && mText != null) {
                if (mButtonIconHover) {
                    mIcon.setColorFilter(new PorterDuffColorFilter(getResources().getColor(R.color.fog, getContext().getTheme()), PorterDuff.Mode.MULTIPLY));
                }
                mText.setTextColor(getContext().getColor(R.color.fog));
                mSecondaryText.setTextColor(getContext().getColor(R.color.fog));
            }
            break;
    }

    if (mEventDelegate.isInside(event)) {
        return super.onHoverEvent(event);

    } else {
        setHovered(false);
        if (mIcon != null && mText != null) {
            if (mButtonIconHover) {
                mIcon.setColorFilter(new PorterDuffColorFilter(getResources().getColor(R.color.fog, getContext().getTheme()), PorterDuff.Mode.MULTIPLY));
            }
            mText.setTextColor(getContext().getColor(R.color.fog));
            mSecondaryText.setTextColor(getContext().getColor(R.color.fog));
        }
        return false;
    }
}

源代码15 项目： FreeFlow 文件： TouchDebugUtils.java

public static String getMotionEventString(int action){
	switch(action){
		case(MotionEvent.ACTION_DOWN): return "action_down";
		case(MotionEvent.ACTION_UP): return "action_down";
		case(MotionEvent.ACTION_CANCEL): return "action_down";
		case(MotionEvent.ACTION_MOVE): return "action_move";
		case(MotionEvent.ACTION_OUTSIDE): return "action_outside";
		case(MotionEvent.ACTION_HOVER_ENTER): return "action_hover_enter";
		case(MotionEvent.ACTION_HOVER_EXIT): return "action_hover_exit";
		case(MotionEvent.ACTION_HOVER_MOVE): return "action_hover_move";
		case(MotionEvent.ACTION_MASK): return "action_mask";
	}
	return "unknown action event";
}

源代码16 项目： BaseProject 文件： ViewUtil.java

public static String motionActionToString(int action,boolean forChineseStr) {
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            return forChineseStr ? "按下" : "ACTION_DOWN";
        case MotionEvent.ACTION_UP:
            return forChineseStr ? "抬起" : "ACTION_UP";
        case MotionEvent.ACTION_CANCEL:
            return forChineseStr ? "取消" : "ACTION_CANCEL";
        case MotionEvent.ACTION_OUTSIDE:
            return forChineseStr ? "外部" : "ACTION_OUTSIDE";
        case MotionEvent.ACTION_MOVE:
            return forChineseStr ? "移动" : "ACTION_MOVE";
        case MotionEvent.ACTION_HOVER_MOVE:
            return forChineseStr ? "悬浮移动(一般是鼠标)" : "ACTION_HOVER_MOVE";
        case MotionEvent.ACTION_SCROLL:
            return forChineseStr ? "滚动" : "ACTION_SCROLL";
        case MotionEvent.ACTION_HOVER_ENTER:
            return "ACTION_HOVER_ENTER";
        case MotionEvent.ACTION_HOVER_EXIT:
            return "ACTION_HOVER_EXIT";
        case MotionEvent.ACTION_BUTTON_PRESS:
            return "ACTION_BUTTON_PRESS";
        case MotionEvent.ACTION_BUTTON_RELEASE:
            return "ACTION_BUTTON_RELEASE";
    }
    int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
    switch (action & MotionEvent.ACTION_MASK) {
        case MotionEvent.ACTION_POINTER_DOWN:
            return "ACTION_POINTER_DOWN(" + index + ")";
        case MotionEvent.ACTION_POINTER_UP:
            return "ACTION_POINTER_UP(" + index + ")";
        default:
            return Integer.toString(action);
    }
}

源代码17 项目： NewXmPluginSDK 文件： NumberPicker.java

@Override
protected boolean dispatchHoverEvent(MotionEvent event) {
    if (!mHasSelectorWheel) {
        return super.dispatchHoverEvent(event);
    }
    AccessibilityManager acm = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (acm.isEnabled()) {
        final int eventY = (int) event.getY();
        final int hoveredVirtualViewId;
        if (eventY < mTopSelectionDividerTop) {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_DECREMENT;
        } else if (eventY > mBottomSelectionDividerBottom) {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_INCREMENT;
        } else {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_INPUT;
        }
        final int action = event.getActionMasked();
        AccessibilityNodeProviderImpl provider =
            (AccessibilityNodeProviderImpl) getAccessibilityNodeProvider();
        switch (action) {
            case MotionEvent.ACTION_HOVER_ENTER: {
                provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                        AccessibilityEvent.TYPE_VIEW_HOVER_ENTER);
                mLastHoveredChildVirtualViewId = hoveredVirtualViewId;
                provider.performAction(hoveredVirtualViewId,
                        AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
            } break;
            case MotionEvent.ACTION_HOVER_MOVE: {
                if (mLastHoveredChildVirtualViewId != hoveredVirtualViewId
                        && mLastHoveredChildVirtualViewId != View.NO_ID) {
                    provider.sendAccessibilityEventForVirtualView(
                            mLastHoveredChildVirtualViewId,
                            AccessibilityEvent.TYPE_VIEW_HOVER_EXIT);
                    provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                            AccessibilityEvent.TYPE_VIEW_HOVER_ENTER);
                    mLastHoveredChildVirtualViewId = hoveredVirtualViewId;
                    provider.performAction(hoveredVirtualViewId,
                            AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
                }
            } break;
            case MotionEvent.ACTION_HOVER_EXIT: {
                provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                        AccessibilityEvent.TYPE_VIEW_HOVER_EXIT);
                mLastHoveredChildVirtualViewId = View.NO_ID;
            } break;
        }
    }
    return false;
}

源代码18 项目： Trebuchet 文件： DragLayer.java

@Override
public boolean onInterceptHoverEvent(MotionEvent ev) {
    if (mLauncher == null || mLauncher.getWorkspace() == null) {
        return false;
    }
    Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
    if (currentFolder == null) {
        return false;
    } else {
            AccessibilityManager accessibilityManager = (AccessibilityManager)
                    getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isTouchExplorationEnabled()) {
            final int action = ev.getAction();
            boolean isOverFolderOrSearchBar;
            switch (action) {
                case MotionEvent.ACTION_HOVER_ENTER:
                    isOverFolderOrSearchBar = isEventOverFolder(currentFolder, ev) ||
                        (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
                    if (!isOverFolderOrSearchBar) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    }
                    mHoverPointClosesFolder = false;
                    break;
                case MotionEvent.ACTION_HOVER_MOVE:
                    isOverFolderOrSearchBar = isEventOverFolder(currentFolder, ev) ||
                        (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
                    if (!isOverFolderOrSearchBar && !mHoverPointClosesFolder) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    } else if (!isOverFolderOrSearchBar) {
                        return true;
                    }
                    mHoverPointClosesFolder = false;
            }
        }
    }
    return false;
}

源代码19 项目： ticdesign 文件： NumberPicker.java

@Override
protected boolean dispatchHoverEvent(MotionEvent event) {
    if (!mHasSelectorWheel) {
        return super.dispatchHoverEvent(event);
    }
    if (((AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE)).isEnabled()) {
        final int eventY = (int) event.getY();
        final int hoveredVirtualViewId;
        if (eventY < mTopSelectionDividerTop) {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_DECREMENT;
        } else if (eventY > mBottomSelectionDividerBottom) {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_INCREMENT;
        } else {
            hoveredVirtualViewId = AccessibilityNodeProviderImpl.VIRTUAL_VIEW_ID_INPUT;
        }
        final int action = event.getActionMasked();
        AccessibilityNodeProviderImpl provider =
            (AccessibilityNodeProviderImpl) getAccessibilityNodeProvider();
        switch (action) {
            case MotionEvent.ACTION_HOVER_ENTER: {
                provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                        AccessibilityEvent.TYPE_VIEW_HOVER_ENTER);
                mLastHoveredChildVirtualViewId = hoveredVirtualViewId;
                provider.performAction(hoveredVirtualViewId,
                        AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
            } break;
            case MotionEvent.ACTION_HOVER_MOVE: {
                if (mLastHoveredChildVirtualViewId != hoveredVirtualViewId
                        && mLastHoveredChildVirtualViewId != View.NO_ID) {
                    provider.sendAccessibilityEventForVirtualView(
                            mLastHoveredChildVirtualViewId,
                            AccessibilityEvent.TYPE_VIEW_HOVER_EXIT);
                    provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                            AccessibilityEvent.TYPE_VIEW_HOVER_ENTER);
                    mLastHoveredChildVirtualViewId = hoveredVirtualViewId;
                    provider.performAction(hoveredVirtualViewId,
                            AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null);
                }
            } break;
            case MotionEvent.ACTION_HOVER_EXIT: {
                provider.sendAccessibilityEventForVirtualView(hoveredVirtualViewId,
                        AccessibilityEvent.TYPE_VIEW_HOVER_EXIT);
                mLastHoveredChildVirtualViewId = View.NO_ID;
            } break;
        }
    }
    return false;
}

源代码20 项目： AOSP-Kayboard-7.1.2 文件： SuggestionStripView.java

@Override
public boolean onTouchEvent(final MotionEvent me) {
    if (!mMoreSuggestionsView.isShowingInParent()) {
        // Ignore any touch event while more suggestions panel hasn't been shown.
        // Detecting sliding up is done at {@link #onInterceptTouchEvent}.
        return true;
    }
    // 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);
    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;
}

方法所在类

android.view.MotionEvent